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MD31B Diesel Engine

Manufactured between the years of 1986 - 1994

Engine

59hp (43.5kW)@3500rpm

  • 3517857 - Volvo Penta MD31B Diesel Engine Oil Filter - Genuine
    3517857
    Oil Filter - Genuine
    List Price
    £13.40 Ex VAT
    £16.08 Inc VAT
    Keypart Price
    £10.72 Ex VAT
    £12.86 Inc VAT
    Low Stock

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  • 858488-R - Volvo Penta MD31B Diesel Engine Air Filter - 200 mm Diameter with Screw-on Cover - Replacement
    858488-R
    Air Filter - 200 mm Diameter with Screw-on Cover - Replacement
    List Price
    £39.60 Ex VAT
    £47.52 Inc VAT
    Keypart Price
    £27.72 Ex VAT
    £33.26 Inc VAT
    In Stock

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  • 858488 - Volvo Penta MD31B Diesel Engine Air Filter - 200 mm Diameter with Screw-on Cover - Genuine
    858488
    Air Filter - 200 mm Diameter with Screw-on Cover - Genuine
    List Price
    £39.60 Ex VAT
    £47.52 Inc VAT
    Keypart Price
    £35.64 Ex VAT
    £42.77 Inc VAT
    In Stock

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  • 21646645-R - Volvo Penta MD31B Diesel Engine Air Filter - 150 mm Diameter with Clip-on Cover - Replacement
    21646645-R
    Air Filter - 150 mm Diameter with Clip-on Cover - Replacement
    List Price
    £52.20 Ex VAT
    £62.64 Inc VAT
    Keypart Price
    £36.54 Ex VAT
    £43.85 Inc VAT
    In Stock

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  • 21646645 - Volvo Penta MD31B Diesel Engine Air Filter - 150 mm Diameter with Clip-on Cover - Genuine
    21646645
    Air Filter - 150 mm Diameter with Clip-on Cover - Genuine
    List Price
    £52.20 Ex VAT
    £62.64 Inc VAT
    Keypart Price
    £46.98 Ex VAT
    £56.38 Inc VAT
    In Stock

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  • 876069-R - Volvo Penta MD31B Diesel Engine Crankcase Breather Filter - Replacement
    876069-R
    Crankcase Breather Filter - Replacement
    List Price
    £53.30 Ex VAT
    £63.96 Inc VAT
    Keypart Price
    £37.31 Ex VAT
    £44.77 Inc VAT
    In Stock

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  • 876069 - Volvo Penta MD31B Diesel Engine Crankcase Breather Filter - Genuine
    876069
    Crankcase Breather Filter - Genuine
    List Price
    £53.30 Ex VAT
    £63.96 Inc VAT
    Keypart Price
    £47.97 Ex VAT
    £57.56 Inc VAT
    In Stock

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  • 3582432-R - Volvo Penta MD31B Diesel Engine Cylinder Head Gasket
    3582432-R
    Cylinder Head Gasket
    List Price
    £188.00 Ex VAT
    £225.60 Inc VAT
    Keypart Price
    £141.00 Ex VAT
    £169.20 Inc VAT
    In Stock

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  • 838654 - Volvo Penta MD31B Diesel Engine Rocker Cover Gasket - Upper - (2 Required per Engine)
    838654
    Rocker Cover Gasket - Upper - (2 Required per Engine)
    List Price
    £7.60 Ex VAT
    £9.12 Inc VAT
    Keypart Price
    £6.84 Ex VAT
    £8.21 Inc VAT
    In Stock

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  • 876144-R - Volvo Penta MD31B Diesel Engine Exhaust Manifold Gasket Kit - (2 Required per Engine)
    876144-R
    Exhaust Manifold Gasket Kit - (2 Required per Engine)
    List Price
    £28.30 Ex VAT
    £33.96 Inc VAT
    Keypart Price
    £22.64 Ex VAT
    £27.17 Inc VAT
    In Stock

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  • 948187-R - Volvo Penta MD31B Diesel Engine Sump Drain Plug
    948187-R
    Sump Drain Plug
    List Price
    £4.50 Ex VAT
    £5.40 Inc VAT
    Keypart Price
    £4.05 Ex VAT
    £4.86 Inc VAT
    In Stock

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  • 18818-R - Volvo Penta MD31B Diesel Engine Washer for Sump Drain Plug - Replacement
    18818-R
    Washer for Sump Drain Plug - Replacement
    Keypart Price
    £0.94 Ex VAT
    £1.13 Inc VAT
    In Stock

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Lubricants

Engine oil capacity is approximately 9.00 Litres

  • 23909453 - Volvo Penta MD31B Diesel Engine VDS-3 15W/40 Volvo Engine Oil 1-Litre - Genuine (Not available to customers outside the UK) - (May be mixed with VDS-4)
    23909453
    VDS-3 15W/40 Volvo Engine Oil 1-Litre - Genuine (Not available to customers outside the UK) - (May be mixed with VDS-4)
    List Price
    £9.60 Ex VAT
    £11.52 Inc VAT
    Keypart Price
    £8.64 Ex VAT
    £10.37 Inc VAT
    In Stock

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  • 23068343 - Volvo Penta MD31B Diesel Engine VDS-4.5 15W/40 High-performance Volvo Engine Oil 5-Litre - Genuine (Not available to customers outside the UK) - (may be mixed with VDS-3)
    23068343
    VDS-4.5 15W/40 High-performance Volvo Engine Oil 5-Litre - Genuine (Not available to customers outside the UK) - (may be mixed with VDS-3)
    Keypart Price
    £41.60 Ex VAT
    £49.92 Inc VAT
    In Stock

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  • 23039851 - Volvo Penta MD31B Diesel Engine VDS-4.5 15W/40 High-performance Volvo Engine Oil 20-Litre - Genuine (Not available to customers outside the UK) - (may be mixed with VDS-3)
    23039851
    VDS-4.5 15W/40 High-performance Volvo Engine Oil 20-Litre - Genuine (Not available to customers outside the UK) - (may be mixed with VDS-3)
    List Price
    £130.00 Ex VAT
    £156.00 Inc VAT
    Keypart Price
    £104.00 Ex VAT
    £124.80 Inc VAT
    In Stock

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  • 22567206 - Volvo Penta MD31B Diesel Engine Type 90 Green Coolant/Anti-freeze Concentrate - 5 Litre - Genuine - May NOT be mixed with Yellow (Not available to customers outside the UK)
    22567206
    Type 90 Green Coolant/Anti-freeze Concentrate - 5 Litre - Genuine - May NOT be mixed with Yellow (Not available to customers outside the UK)
    Keypart Price
    £42.50 Ex VAT
    £51.00 Inc VAT
    In Stock

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  • 22567295 - Volvo Penta MD31B Diesel Engine VCS Yellow Coolant/Anti-Freeze Concentrate 5 Litre - Genuine - May NOT be mixed with Green (Not available to customers outside the UK)
    22567295
    VCS Yellow Coolant/Anti-Freeze Concentrate 5 Litre - Genuine - May NOT be mixed with Green (Not available to customers outside the UK)
    Keypart Price
    £43.10 Ex VAT
    £51.72 Inc VAT
    Low Stock

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Cooling System

Coolant Capacity is approximately 13.0 Litres

  • 947893 - Volvo Penta MD31B Diesel Engine Drain Tap - for Cylinder Block
    947893
    Drain Tap - for Cylinder Block
    List Price
    £12.90 Ex VAT
    £15.48 Inc VAT
    Keypart Price
    £11.61 Ex VAT
    £13.93 Inc VAT
    In Stock

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  • 3831424-R - Volvo Penta MD31B Diesel Engine Thermostat Kit - (2 Required per Engine)
    3831424-R
    Thermostat Kit - (2 Required per Engine)
    List Price
    £31.30 Ex VAT
    £37.56 Inc VAT
    Keypart Price
    £25.04 Ex VAT
    £30.05 Inc VAT
    Please Contact for Stock Status

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  • 838929-R - Volvo Penta MD31B Diesel Engine Zinc Pencil Anode - Sea-water use
    838929-R
    Zinc Pencil Anode - Sea-water use
    List Price
    £9.10 Ex VAT
    £10.92 Inc VAT
    Keypart Price
    £6.37 Ex VAT
    £7.64 Inc VAT
    In Stock

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  • 838929M - Volvo Penta MD31B Diesel Engine Magnesium Pencil Anode - Fresh-water use
    838929M
    Magnesium Pencil Anode - Fresh-water use
    List Price
    £10.10 Ex VAT
    £12.12 Inc VAT
    Keypart Price
    £8.08 Ex VAT
    £9.70 Inc VAT
    In Stock

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  • 838928-R - Volvo Penta MD31B Diesel Engine Brass Holder for 838929 Pencil Anode
    838928-R
    Brass Holder for 838929 Pencil Anode
    List Price
    £15.20 Ex VAT
    £18.24 Inc VAT
    Keypart Price
    £12.16 Ex VAT
    £14.59 Inc VAT
    In Stock

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  • 841693-R - Volvo Penta MD31B Diesel Engine Seawater Pump Cover Screw
    841693-R
    Seawater Pump Cover Screw
    List Price
    £3.45 Ex VAT
    £4.14 Inc VAT
    Keypart Price
    £2.76 Ex VAT
    £3.31 Inc VAT
    In Stock

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  • 808275-R - Volvo Penta MD31B Diesel Engine Seawater Pump Cover Gasket
    808275-R
    Seawater Pump Cover Gasket
    List Price
    £7.20 Ex VAT
    £8.64 Inc VAT
    Keypart Price
    £5.76 Ex VAT
    £6.91 Inc VAT
    In Stock

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  • 3581618 - Volvo Penta MD31B Diesel Engine Seawater Pump Cover O-ring - Genuine - for Pumps without Gasket
    3581618
    Seawater Pump Cover O-ring - Genuine - for Pumps without Gasket
    List Price
    £1.80 Ex VAT
    £2.16 Inc VAT
    Keypart Price
    £1.62 Ex VAT
    £1.94 Inc VAT
    In Stock

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  • 858467-R - Volvo Penta MD31B Diesel Engine Seawater Pump Drive Coupling
    858467-R
    Seawater Pump Drive Coupling
    List Price
    £20.60 Ex VAT
    £24.72 Inc VAT
    Keypart Price
    £16.48 Ex VAT
    £19.78 Inc VAT
    In Stock

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  • 968971-R - Volvo Penta MD31B Diesel Engine Seawater Pump to Block O-ring
    968971-R
    Seawater Pump to Block O-ring
    List Price
    £4.80 Ex VAT
    £5.76 Inc VAT
    Keypart Price
    £3.84 Ex VAT
    £4.61 Inc VAT
    In Stock

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  • 21951356-R - Volvo Penta MD31B Diesel Engine Impeller Kit - Replacement - (WITHOUT thread for removal Tool)
    21951356-R
    Impeller Kit - Replacement - (WITHOUT thread for removal Tool)
    List Price
    £54.80 Ex VAT
    £65.76 Inc VAT
    Keypart Price
    £38.36 Ex VAT
    £46.03 Inc VAT
    In Stock

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  • 21951356 - Volvo Penta MD31B Diesel Engine Impeller Kit - Genuine - (WITH thread for removal Tool - Tool NOT included)
    21951356
    Impeller Kit - Genuine - (WITH thread for removal Tool - Tool NOT included)
    List Price
    £54.80 Ex VAT
    £65.76 Inc VAT
    Keypart Price
    £49.32 Ex VAT
    £59.18 Inc VAT
    In Stock

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  • 3843947 - Volvo Penta MD31B Diesel Engine Impeller Removal Tool for Genuine 21951356 Impeller only
    3843947
    Impeller Removal Tool for Genuine 21951356 Impeller only
    Keypart Price
    £10.30 Ex VAT
    £12.36 Inc VAT
    In Stock

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Fuel System (Engine)

  • 21492771-R - Volvo Penta MD31B Diesel Engine Fuel Filter - Replacement - - Spin-on type for Engine
    21492771-R
    Fuel Filter - Replacement - - Spin-on type for Engine
    List Price
    £12.90 Ex VAT
    £15.48 Inc VAT
    Keypart Price
    £9.03 Ex VAT
    £10.84 Inc VAT
    Low Stock

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  • 21492771 - Volvo Penta MD31B Diesel Engine Fuel Filter - Genuine - - Spin-on Type for Engine
    21492771
    Fuel Filter - Genuine - - Spin-on Type for Engine
    List Price
    £12.90 Ex VAT
    £15.48 Inc VAT
    Keypart Price
    £11.61 Ex VAT
    £13.93 Inc VAT
    In Stock

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  • 273663-R - Volvo Penta MD31B Diesel Engine Fuel Pump Strainer Kit for Non-sealed Lift Pumps
    273663-R
    Fuel Pump Strainer Kit for Non-sealed Lift Pumps
    List Price
    £18.00 Ex VAT
    £21.60 Inc VAT
    Keypart Price
    £15.00 Ex VAT
    £18.00 Inc VAT
    In Stock

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  • 3582310-R - Volvo Penta MD31B Diesel Engine Fuel Lift Pump Assembly - Late Sealed Type
    3582310-R
    Fuel Lift Pump Assembly - Late Sealed Type
    List Price
    £89.20 Ex VAT
    £107.04 Inc VAT
    Keypart Price
    £71.36 Ex VAT
    £85.63 Inc VAT
    In Stock

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  • 860447-R - Volvo Penta MD31B Diesel Engine Fuel Hose (Required when upgrading to Sealed Pump) - Replacement
    860447-R
    Fuel Hose (Required when upgrading to Sealed Pump) - Replacement
    List Price
    £94.40 Ex VAT
    £113.28 Inc VAT
    Keypart Price
    £56.64 Ex VAT
    £67.97 Inc VAT
    Please Contact for Stock Status

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  • 860447 - Volvo Penta MD31B Diesel Engine Fuel Pipe (Required when upgrading to Sealed Pump) - Genuine
    860447
    Fuel Pipe (Required when upgrading to Sealed Pump) - Genuine
    List Price
    £94.40 Ex VAT
    £113.28 Inc VAT
    Keypart Price
    £84.96 Ex VAT
    £101.95 Inc VAT
    Special Order Usually 3 - 5 Days

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  • 3501530-R - Volvo Penta MD31B Diesel Engine Fuel Pump Gasket
    3501530-R
    Fuel Pump Gasket
    List Price
    £6.80 Ex VAT
    £8.16 Inc VAT
    Keypart Price
    £2.30 Ex VAT
    £2.76 Inc VAT
    In Stock

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  • 876614 - Volvo Penta MD31B Diesel Engine Injector Pump Mounted - Stop Solenoid 12V
    876614
    Injector Pump Mounted - Stop Solenoid 12V
    List Price
    £327.00 Ex VAT
    £392.40 Inc VAT
    Keypart Price
    £230.00 Ex VAT
    £276.00 Inc VAT
    In Stock

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Optional Fuel System Components

For additional types of Fuel Filters & Elements, please visit the Racor & Separ sections of our Website. These can be found under the "Accessories" heading on our Home Page.

  • 3581078-R - Volvo Penta MD31B Diesel Engine Fuel Filter for CAV/Delphi 296 Pre-filter (Optional) - Replacement
    3581078-R
    Fuel Filter for CAV/Delphi 296 Pre-filter (Optional) - Replacement
    List Price
    £8.60 Ex VAT
    £10.32 Inc VAT
    Keypart Price
    £6.02 Ex VAT
    £7.22 Inc VAT
    Low Stock

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  • 3581078 - Volvo Penta MD31B Diesel Engine Fuel Filter for CAV/Delphi 296 Pre-filter - Genuine
    3581078
    Fuel Filter for CAV/Delphi 296 Pre-filter - Genuine
    List Price
    £8.60 Ex VAT
    £10.32 Inc VAT
    Keypart Price
    £7.74 Ex VAT
    £9.29 Inc VAT
    In Stock

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  • FF105D - Volvo Penta MD31B Diesel Engine Fuel Filter - Fleetguard
    FF105D
    Fuel Filter - Fleetguard
    List Price
    £15.00 Ex VAT
    £18.00 Inc VAT
    Keypart Price
    £12.00 Ex VAT
    £14.40 Inc VAT
    In Stock

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  • FS1212 - Volvo Penta MD31B Diesel Engine Fuel Filter - Fleetguard
    FS1212
    Fuel Filter - Fleetguard
    List Price
    £17.76 Ex VAT
    £21.31 Inc VAT
    Keypart Price
    £14.21 Ex VAT
    £17.05 Inc VAT
    Please Contact for Stock Status

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Electrical System

  • 19923 - Volvo Penta MD31B Diesel Engine 12V/2W Panel Light Bulb - White Bayonet Type - Genuine
    19923
    12V/2W Panel Light Bulb - White Bayonet Type - Genuine
    Keypart Price
    £1.60 Ex VAT
    £1.92 Inc VAT
    In Stock

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  • 863946 - Volvo Penta MD31B Diesel Engine 12V/1.2W Red Capless Bulb for Late Type Panels - Genuine
    863946
    12V/1.2W Red Capless Bulb for Late Type Panels - Genuine
    List Price
    £4.40 Ex VAT
    £5.28 Inc VAT
    Keypart Price
    £3.96 Ex VAT
    £4.75 Inc VAT
    In Stock

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  • 966978-R - Volvo Penta MD31B Diesel Engine Drive Belt Set - Replacement
    966978-R
    Drive Belt Set - Replacement
    List Price
    £28.60 Ex VAT
    £34.32 Inc VAT
    Keypart Price
    £22.88 Ex VAT
    £27.46 Inc VAT
    In Stock

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  • 966978 - Volvo Penta MD31B Diesel Engine Drive Belt Set - Genuine
    966978
    Drive Belt Set - Genuine
    List Price
    £28.60 Ex VAT
    £34.32 Inc VAT
    Keypart Price
    £25.74 Ex VAT
    £30.89 Inc VAT
    In Stock

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  • 873770-R - Volvo Penta MD31B Diesel Engine 14V/60A Alternator Assembly (Pulley NOT included)
    873770-R
    14V/60A Alternator Assembly (Pulley NOT included)
    List Price
    £379.00 Ex VAT
    £454.80 Inc VAT
    Keypart Price
    £240.00 Ex VAT
    £288.00 Inc VAT
    Low Stock

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  • 3581774-R - Volvo Penta MD31B Diesel Engine Starter Motor Assembly
    3581774-R
    Starter Motor Assembly
    List Price
    £540.00 Ex VAT
    £648.00 Inc VAT
    Keypart Price
    £325.00 Ex VAT
    £390.00 Inc VAT
    Low Stock

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  • 22637542 - Volvo Penta MD31B Diesel Engine Engine Starter Relay
    22637542
    Engine Starter Relay
    List Price
    £34.10 Ex VAT
    £40.92 Inc VAT
    Keypart Price
    £30.69 Ex VAT
    £36.83 Inc VAT
    In Stock

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  • 22354203 - Volvo Penta MD31B Diesel Engine Logic Control Unit for Alarm Module (includes 4 x LED) - Genuine
    22354203
    Logic Control Unit for Alarm Module (includes 4 x LED) - Genuine
    List Price
    £291.00 Ex VAT
    £349.20 Inc VAT
    Keypart Price
    £261.90 Ex VAT
    £314.28 Inc VAT
    In Stock

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  • 828587 - Volvo Penta MD31B Diesel Engine Alarm Siren - Genuine
    828587
    Alarm Siren - Genuine
    List Price
    £69.50 Ex VAT
    £83.40 Inc VAT
    Keypart Price
    £62.55 Ex VAT
    £75.06 Inc VAT
    Special Order Usually 3 - 5 Days

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  • 3587072 - Volvo Penta MD31B Diesel Engine Key Switch Assembly with 2 Keys - Genuine
    3587072
    Key Switch Assembly with 2 Keys - Genuine
    List Price
    £195.00 Ex VAT
    £234.00 Inc VAT
    Keypart Price
    £175.50 Ex VAT
    £210.60 Inc VAT
    In Stock

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  • 966689 - Volvo Penta MD31B Diesel Engine Reset Fuse Unit - Genuine
    966689
    Reset Fuse Unit - Genuine
    List Price
    £15.00 Ex VAT
    £18.00 Inc VAT
    Keypart Price
    £13.50 Ex VAT
    £16.20 Inc VAT
    In Stock

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  • 863169 - Volvo Penta MD31B Diesel Engine Oil Pressure Switch for Warning Light & Alarm
    863169
    Oil Pressure Switch for Warning Light & Alarm
    List Price
    £77.00 Ex VAT
    £92.40 Inc VAT
    Keypart Price
    £69.30 Ex VAT
    £83.16 Inc VAT
    In Stock

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  • 873601 - Volvo Penta MD31B Diesel Engine Conversion Harness (Required when changing Oil Pressure Switch) - Genuine
    873601
    Conversion Harness (Required when changing Oil Pressure Switch) - Genuine
    List Price
    £11.10 Ex VAT
    £13.32 Inc VAT
    Keypart Price
    £9.99 Ex VAT
    £11.99 Inc VAT
    In Stock

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  • 873120-R - Volvo Penta MD31B Diesel Engine Split Charge Unit for Remote Mounting 70A Max
    873120-R
    Split Charge Unit for Remote Mounting 70A Max
    List Price
    £141.00 Ex VAT
    £169.20 Inc VAT
    Keypart Price
    £112.80 Ex VAT
    £135.36 Inc VAT
    Special Order Usually 3 - 5 Days

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  • 873517 - Volvo Penta MD31B Diesel Engine Tacho Bezel for 873992 when replacing units with Analogue Hourmeters
    873517
    Tacho Bezel for 873992 when replacing units with Analogue Hourmeters
    List Price
    £7.40 Ex VAT
    £8.88 Inc VAT
    Keypart Price
    £6.66 Ex VAT
    £7.99 Inc VAT
    In Stock

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  • 866833 - Volvo Penta MD31B Diesel Engine Oil Pressure Sender for Gauge - Genuine - NOT suitable for flybridge installations with two Gauges - (Nut connectors)
    866833
    Oil Pressure Sender for Gauge - Genuine - NOT suitable for flybridge installations with two Gauges - (Nut connectors)
    List Price
    £157.00 Ex VAT
    £188.40 Inc VAT
    Keypart Price
    £141.30 Ex VAT
    £169.56 Inc VAT
    In Stock

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  • 23715874 - Volvo Penta MD31B Diesel Engine Tacho/Hourmeter 0-4000rpm
    23715874
    Tacho/Hourmeter 0-4000rpm
    List Price
    £260.00 Ex VAT
    £312.00 Inc VAT
    Keypart Price
    £234.00 Ex VAT
    £280.80 Inc VAT
    Please Contact for Stock Status

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  • 23715875 - Volvo Penta MD31B Diesel Engine Tacho/Hourmeter 0-6000rpm
    23715875
    Tacho/Hourmeter 0-6000rpm
    List Price
    £266.00 Ex VAT
    £319.20 Inc VAT
    Keypart Price
    £239.40 Ex VAT
    £287.28 Inc VAT
    Please Contact for Stock Status

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  • 876614 - Volvo Penta MD31B Diesel Engine Injector Pump Mounted - Stop Solenoid 12V
    876614
    Injector Pump Mounted - Stop Solenoid 12V
    List Price
    £327.00 Ex VAT
    £392.40 Inc VAT
    Keypart Price
    £230.00 Ex VAT
    £276.00 Inc VAT
    In Stock

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Repair Kits

  • 3582435 - Volvo Penta MD31B Diesel Engine De-Coke Gasket Kit
    3582435
    De-Coke Gasket Kit
    List Price
    £443.00 Ex VAT
    £531.60 Inc VAT
    Keypart Price
    £285.00 Ex VAT
    £342.00 Inc VAT
    In Stock

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  • 876361-R - Volvo Penta MD31B Diesel Engine Additional Gasket Kit
    876361-R
    Additional Gasket Kit
    List Price
    £340.00 Ex VAT
    £408.00 Inc VAT
    Keypart Price
    £204.00 Ex VAT
    £244.80 Inc VAT
    Special Order Usually 7 - 9 Days

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  • 22016 - Volvo Penta MD31B Diesel Engine Seawater Pump Gasket & Seal Kit
    22016
    Seawater Pump Gasket & Seal Kit
    List Price
    £17.20 Ex VAT
    £20.64 Inc VAT
    Keypart Price
    £13.76 Ex VAT
    £16.51 Inc VAT
    Low Stock

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  • 22026 - Volvo Penta MD31B Diesel Engine Fuel Pipe Washer Kit
    22026
    Fuel Pipe Washer Kit
    List Price
    £8.71 Ex VAT
    £10.45 Inc VAT
    Keypart Price
    £6.53 Ex VAT
    £7.84 Inc VAT
    Special Order Usually 7 - 9 Days

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  • 828422-R - Volvo Penta MD31B Diesel Engine Rubber Stuffing Box for 30 mm Shaft wiith Sleeve Diameter of 48mm - Replacement
    828422-R
    Rubber Stuffing Box for 30 mm Shaft wiith Sleeve Diameter of 48mm - Replacement
    List Price
    £116.00 Ex VAT
    £139.20 Inc VAT
    Keypart Price
    £87.19 Ex VAT
    £104.63 Inc VAT
    In Stock

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  • 828526-R - Volvo Penta MD31B Diesel Engine Rubber Stuffing Box for 35 mm Shaft with Sleeve Diameter of 54mm - Replacement
    828526-R
    Rubber Stuffing Box for 35 mm Shaft with Sleeve Diameter of 54mm - Replacement
    List Price
    £151.00 Ex VAT
    £181.20 Inc VAT
    Keypart Price
    £105.70 Ex VAT
    £126.84 Inc VAT
    In Stock

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  • 828527-R - Volvo Penta MD31B Diesel Engine Rubber Stuffing Box for 40 mm Shaft with Sleeve Diameter of 60mm - Replacement
    828527-R
    Rubber Stuffing Box for 40 mm Shaft with Sleeve Diameter of 60mm - Replacement
    List Price
    £172.00 Ex VAT
    £206.40 Inc VAT
    Keypart Price
    £120.40 Ex VAT
    £144.48 Inc VAT
    Please Contact for Stock Status

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  • 828422 - Volvo Penta MD31B Diesel Engine Rubber Stuffing Box for 30 mm Shaft wiith Sleeve Diameter of 48mm - Genuine
    828422
    Rubber Stuffing Box for 30 mm Shaft wiith Sleeve Diameter of 48mm - Genuine
    List Price
    £116.00 Ex VAT
    £139.20 Inc VAT
    Keypart Price
    £104.40 Ex VAT
    £125.28 Inc VAT
    In Stock

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  • 828526 - Volvo Penta MD31B Diesel Engine Rubber Stuffing Box for 35 mm Shaft with Sleeve Diameter of 54mm - Genuine
    828526
    Rubber Stuffing Box for 35 mm Shaft with Sleeve Diameter of 54mm - Genuine
    List Price
    £151.00 Ex VAT
    £181.20 Inc VAT
    Keypart Price
    £135.90 Ex VAT
    £163.08 Inc VAT
    In Stock

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  • 828527 - Volvo Penta MD31B Diesel Engine Rubber Stuffing Box for 40 mm Shaft with Sleeve Diameter of 60mm - Genuine
    828527
    Rubber Stuffing Box for 40 mm Shaft with Sleeve Diameter of 60mm - Genuine
    List Price
    £172.00 Ex VAT
    £206.40 Inc VAT
    Keypart Price
    £154.80 Ex VAT
    £185.76 Inc VAT
    Please Contact for Stock Status

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  • 828250 - Volvo Penta MD31B Diesel Engine 25G Tube Of Grease for Rubber Stuffing Box - Genuine
    828250
    25G Tube Of Grease for Rubber Stuffing Box - Genuine
    Keypart Price
    £4.30 Ex VAT
    £5.16 Inc VAT
    Low Stock

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MS2 Reverse Gear

MS2 Gearbox Oil Capacity is approximately 0.85 Litres (use Engine Oil)

  • 875704 - Volvo Penta MD31B Diesel Engine Gasket & Seal Kit - Genuine
    875704
    Gasket & Seal Kit - Genuine
    List Price
    £166.00 Ex VAT
    £199.20 Inc VAT
    Keypart Price
    £149.40 Ex VAT
    £179.28 Inc VAT
    In Stock

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  • 925054-R - Volvo Penta MD31B Diesel Engine O-Ring - for Dipstick
    925054-R
    O-Ring - for Dipstick
    Keypart Price
    £1.50 Ex VAT
    £1.80 Inc VAT
    In Stock

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  • 958838-R - Volvo Penta MD31B Diesel Engine Seal Ring - for Gear Selector
    958838-R
    Seal Ring - for Gear Selector
    List Price
    £14.09 Ex VAT
    £16.91 Inc VAT
    Keypart Price
    £11.27 Ex VAT
    £13.52 Inc VAT
    In Stock

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  • OR-659 - Volvo Penta MD31B Diesel Engine O-Ring - for Gear Selector Housing
    OR-659
    O-Ring - for Gear Selector Housing
    List Price
    £2.50 Ex VAT
    £3.00 Inc VAT
    Keypart Price
    £2.25 Ex VAT
    £2.70 Inc VAT
    Low Stock

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  • OR-473 - Volvo Penta MD31B Diesel Engine O-Ring - for Oil Filler Cap
    OR-473
    O-Ring - for Oil Filler Cap
    List Price
    £4.20 Ex VAT
    £5.04 Inc VAT
    Keypart Price
    £3.36 Ex VAT
    £4.03 Inc VAT
    In Stock

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  • 951924 - Volvo Penta MD31B Diesel Engine Roll Pin - for Gear Selector
    951924
    Roll Pin - for Gear Selector
    Keypart Price
    £3.00 Ex VAT
    £3.60 Inc VAT
    In Stock

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  • 803762-R - Volvo Penta MD31B Diesel Engine Rubber Element for Volvo Flexible Coupling (4 or 6 required)
    803762-R
    Rubber Element for Volvo Flexible Coupling (4 or 6 required)
    List Price
    £42.90 Ex VAT
    £51.48 Inc VAT
    Keypart Price
    £34.32 Ex VAT
    £41.18 Inc VAT
    In Stock

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MS4A & MS4B Reverse Gear

MS4A & MS4B Gearbox Oil Capacity is approximately 1.7 Litres

  • 876073 - Volvo Penta MD31B Diesel Engine Gasket & Seal Kit - Genuine
    876073
    Gasket & Seal Kit - Genuine
    List Price
    £161.00 Ex VAT
    £193.20 Inc VAT
    Keypart Price
    £144.90 Ex VAT
    £173.88 Inc VAT
    Special Order Usually 3 - 5 Days

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  • 955974-R - Volvo Penta MD31B Diesel Engine O-ring - for Dipstick
    955974-R
    O-ring - for Dipstick
    Keypart Price
    £0.58 Ex VAT
    £0.70 Inc VAT
    In Stock

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  • 958838-R - Volvo Penta MD31B Diesel Engine Seal Ring - for Gear Selector
    958838-R
    Seal Ring - for Gear Selector
    List Price
    £14.09 Ex VAT
    £16.91 Inc VAT
    Keypart Price
    £11.27 Ex VAT
    £13.52 Inc VAT
    In Stock

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  • 951924 - Volvo Penta MD31B Diesel Engine Roll Pin - for Gear Selector
    951924
    Roll Pin - for Gear Selector
    Keypart Price
    £3.00 Ex VAT
    £3.60 Inc VAT
    In Stock

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  • 22479650 - Volvo Penta MD31B Diesel Engine GL5 75W/90 Synthetic Gear Oil - 1 Litre - Genuine (Not available to customers outside the UK)
    22479650
    GL5 75W/90 Synthetic Gear Oil - 1 Litre - Genuine (Not available to customers outside the UK)
    List Price
    £23.20 Ex VAT
    £27.84 Inc VAT
    Keypart Price
    £20.88 Ex VAT
    £25.06 Inc VAT
    Low Stock

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  • 22479648 - Volvo Penta MD31B Diesel Engine GL5 75W/90 Synthetic Gear Oil - 5 Litre - Genuine (Not available to customers outside the UK)
    22479648
    GL5 75W/90 Synthetic Gear Oil - 5 Litre - Genuine (Not available to customers outside the UK)
    List Price
    £107.00 Ex VAT
    £128.40 Inc VAT
    Keypart Price
    £96.30 Ex VAT
    £115.56 Inc VAT
    In Stock

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  • 18-9680-2 - Volvo Penta MD31B Diesel Engine GL5 75W/90 Synthetic Gear Oil - 0.946 Litre - Sierra (Not available to customers outside the UK)
    18-9680-2
    GL5 75W/90 Synthetic Gear Oil - 0.946 Litre - Sierra (Not available to customers outside the UK)
    List Price
    £23.20 Ex VAT
    £27.84 Inc VAT
    Keypart Price
    £16.24 Ex VAT
    £19.49 Inc VAT
    In Stock

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  • 18-9680-5 - Volvo Penta MD31B Diesel Engine GL5 75W/90 Synthetic Gear Oil - 18.95 Litre - Sierra (Not available to customers outside the UK)
    18-9680-5
    GL5 75W/90 Synthetic Gear Oil - 18.95 Litre - Sierra (Not available to customers outside the UK)
    List Price
    £357.02 Ex VAT
    £428.42 Inc VAT
    Keypart Price
    £250.00 Ex VAT
    £300.00 Inc VAT
    Please Contact for Stock Status

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Zinc Shaft Clamp Anodes - Seawater Use

  • 800500ZN - Volvo Penta MD31B Diesel Engine 3/4" Zinc Shaft Anode
    800500ZN
    3/4" Zinc Shaft Anode
    List Price
    £18.00 Ex VAT
    £21.60 Inc VAT
    Keypart Price
    £15.00 Ex VAT
    £18.00 Inc VAT
    In Stock

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  • 800502ZN - Volvo Penta MD31B Diesel Engine 25mm Zinc Shaft Anode
    800502ZN
    25mm Zinc Shaft Anode
    List Price
    £19.00 Ex VAT
    £22.80 Inc VAT
    Keypart Price
    £13.00 Ex VAT
    £15.60 Inc VAT
    Low Stock

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  • 800503ZN - Volvo Penta MD31B Diesel Engine 1" Zinc Shaft Anode
    800503ZN
    1" Zinc Shaft Anode
    List Price
    £18.00 Ex VAT
    £21.60 Inc VAT
    Keypart Price
    £12.00 Ex VAT
    £14.40 Inc VAT
    In Stock

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  • 800506ZN - Volvo Penta MD31B Diesel Engine 30mm Zinc Shaft Anode
    800506ZN
    30mm Zinc Shaft Anode
    List Price
    £20.00 Ex VAT
    £24.00 Inc VAT
    Keypart Price
    £13.00 Ex VAT
    £15.60 Inc VAT
    In Stock

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  • 800507ZN - Volvo Penta MD31B Diesel Engine 1-1/4" Zinc Shaft Anode
    800507ZN
    1-1/4" Zinc Shaft Anode
    List Price
    £20.00 Ex VAT
    £24.00 Inc VAT
    Keypart Price
    £13.00 Ex VAT
    £15.60 Inc VAT
    In Stock

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  • 800509ZN - Volvo Penta MD31B Diesel Engine 35mm Zinc Shaft Anode
    800509ZN
    35mm Zinc Shaft Anode
    List Price
    £20.00 Ex VAT
    £24.00 Inc VAT
    Keypart Price
    £15.00 Ex VAT
    £18.00 Inc VAT
    In Stock

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  • 800510ZN - Volvo Penta MD31B Diesel Engine 1-1/2" Zinc Shaft Anode
    800510ZN
    1-1/2" Zinc Shaft Anode
    List Price
    £20.00 Ex VAT
    £24.00 Inc VAT
    Keypart Price
    £15.00 Ex VAT
    £18.00 Inc VAT
    In Stock

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  • 800511ZN - Volvo Penta MD31B Diesel Engine 40mm Zinc Shaft Anode
    800511ZN
    40mm Zinc Shaft Anode
    List Price
    £30.00 Ex VAT
    £36.00 Inc VAT
    Keypart Price
    £25.00 Ex VAT
    £30.00 Inc VAT
    In Stock

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  • 800512ZN - Volvo Penta MD31B Diesel Engine 45mm Zinc Shaft Anode
    800512ZN
    45mm Zinc Shaft Anode
    List Price
    £30.00 Ex VAT
    £36.00 Inc VAT
    Keypart Price
    £25.00 Ex VAT
    £30.00 Inc VAT
    In Stock

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  • 800513ZN - Volvo Penta MD31B Diesel Engine 50mm Zinc Shaft Anode
    800513ZN
    50mm Zinc Shaft Anode
    List Price
    £35.00 Ex VAT
    £42.00 Inc VAT
    Keypart Price
    £30.00 Ex VAT
    £36.00 Inc VAT
    In Stock

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  • 800514ZN - Volvo Penta MD31B Diesel Engine 2" Zinc Shaft Anode
    800514ZN
    2" Zinc Shaft Anode
    List Price
    £35.00 Ex VAT
    £42.00 Inc VAT
    Keypart Price
    £30.00 Ex VAT
    £36.00 Inc VAT
    In Stock

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Chemicals

Please note: It is NOT possible to ship most liquids by air. Aerosols can ONLY be purchased by customers in England, Scotland and Wales.

Tools & Manuals

  • 3843947 - Volvo Penta MD31B Diesel Engine Impeller Removal Tool for Genuine 21951356 Impeller only
    3843947
    Impeller Removal Tool for Genuine 21951356 Impeller only
    Keypart Price
    £10.30 Ex VAT
    £12.36 Inc VAT
    In Stock

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MD31B Diesel Engine