Volvo Penta MD31B Parts
We sell replacement and genuine Volvo Penta MD31B engine parts and spares for engines manufactured between the years of 1986 - 1994. Our extensive range of MD31B parts includes Engine, Lubricants, Cooling System, Fuel System (Engine), Optional Fuel System Components, Electrical System, Repair Kits, MS2 Reverse Gear, MS4A & MS4B Reverse Gear, Zinc Shaft Clamp Anodes - Seawater Use, Chemicals, Tools & Manuals
For more information you can contact us through sales@keypart.com. Call us now on +44(0)1923 276000 and one of our team will be able to help with all queries about MD31B Diesel Engine Parts.
Engine
59hp (43.5kW)@3500rpm
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Air Filter - 200 mm Diameter with Screw-on Cover - Replacement£35.28 (inc VAT)£29.40 (ex VAT)View Product Add
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Air Filter - 200 mm Diameter with Screw-on Cover - Genuine£45.36 (inc VAT)£37.80 (ex VAT)View Product Add
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Air Filter - 150 mm Diameter with Clip-on Cover - Replacement£46.45 (inc VAT)£38.71 (ex VAT)View Product Add
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Air Filter - 150 mm Diameter with Clip-on Cover - Genuine£59.72 (inc VAT)£49.77 (ex VAT)View Product Add
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Rocker Cover Gasket - Upper - (2 Required per Engine)£8.86 (inc VAT)£7.38 (ex VAT)View Product Add
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Exhaust Manifold Gasket Kit - (2 Required per Engine)£25.70 (inc VAT)£21.42 (ex VAT)View Product Add
Lubricants
Engine oil capacity is approximately 9.00 Litres
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VDS-3 15W/40 Volvo Engine Oil 1-Litre - Genuine (Not available to customers outside the UK) - (May be mixed with VDS-4)£12.31 (inc VAT)£10.26 (ex VAT)View Product Add
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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)£50.40 (inc VAT)£42.00 (ex VAT)View Product Add
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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)£144.00 (inc VAT)£120.00 (ex VAT)View Product Add
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Type 90 Green Coolant/Anti-freeze Concentrate - 5 Litre - Genuine - May NOT be mixed with Yellow (Not available to customers outside the UK)£57.67 (inc VAT)£48.06 (ex VAT)View Product Add
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VCS Yellow Coolant/Anti-Freeze Concentrate 5 Litre - Genuine - May NOT be mixed with Green (Not available to customers outside the UK)£53.46 (inc VAT)£44.55 (ex VAT)View Product Add
Cooling System
Coolant Capacity is approximately 13.0 Litres
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Seawater Pump Cover O-ring - Genuine - for Pumps without Gasket£2.05 (inc VAT)£1.71 (ex VAT)View Product Add
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Impeller Kit - Replacement - (WITHOUT thread for removal Tool)£46.96 (inc VAT)£39.13 (ex VAT)View Product Add
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Impeller Kit - Genuine - (WITH thread for removal Tool - Tool NOT included)£65.34 (inc VAT)£54.45 (ex VAT)View Product Add
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Impeller Removal Tool for Genuine 21951356 Impeller only£13.32 (inc VAT)£11.10 (ex VAT)View Product Add
Fuel System (Engine)
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Fuel Filter - Replacement - - Spin-on type for Engine£11.51 (inc VAT)£9.59 (ex VAT)View Product Add
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Fuel Hose (Required when upgrading to Sealed Pump) - Replacement£69.98 (inc VAT)£58.32 (ex VAT)View Product Add
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Fuel Pipe (Required when upgrading to Sealed Pump) - Genuine£111.24 (inc VAT)£92.70 (ex VAT)View Product Add
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.
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Fuel Filter for CAV/Delphi 296 Pre-filter (Optional) - Replacement£7.31 (inc VAT)£6.09 (ex VAT)View Product Add
Electrical System
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12V/2W Panel Light Bulb - White Bayonet Type - Genuine£1.94 (inc VAT)£1.62 (ex VAT)View Product Add
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12V/1.2W Red Capless Bulb for Late Type Panels - Genuine£5.08 (inc VAT)£4.23 (ex VAT)View Product Add
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14V/60A Alternator Assembly (Pulley NOT included)£319.80 (inc VAT)£266.50 (ex VAT)View Product Add
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Logic Control Unit for Alarm Module (includes 4 x LED) - Genuine£353.16 (inc VAT)£294.30 (ex VAT)View Product Add
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Conversion Harness (Required when changing Oil Pressure Switch) - Genuine£13.07 (inc VAT)£10.89 (ex VAT)View Product Add
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Tacho Bezel for 873992 when replacing units with Analogue Hourmeters£8.96 (inc VAT)£7.47 (ex VAT)View Product Add
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Oil Pressure Sender for Gauge - Genuine - NOT suitable for flybridge installations with two Gauges - (Nut connectors)£183.60 (inc VAT)£153.00 (ex VAT)View Product Add
Repair Kits
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Rubber Stuffing Box for 30 mm Shaft wiith Sleeve Diameter of 48mm - Replacement£108.00 (inc VAT)£90.00 (ex VAT)View Product Add
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Rubber Stuffing Box for 35 mm Shaft with Sleeve Diameter of 54mm - Replacement£141.12 (inc VAT)£117.60 (ex VAT)View Product Add
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Rubber Stuffing Box for 40 mm Shaft with Sleeve Diameter of 60mm - Replacement£148.68 (inc VAT)£123.90 (ex VAT)View Product Add
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Rubber Stuffing Box for 30 mm Shaft wiith Sleeve Diameter of 48mm - Genuine£140.40 (inc VAT)£117.00 (ex VAT)View Product Add
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Rubber Stuffing Box for 35 mm Shaft with Sleeve Diameter of 54mm - Genuine£181.44 (inc VAT)£151.20 (ex VAT)View Product Add
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Rubber Stuffing Box for 40 mm Shaft with Sleeve Diameter of 60mm - Genuine£214.92 (inc VAT)£179.10 (ex VAT)View Product Add
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25G Tube Of Grease for Rubber Stuffing Box - Genuine£4.97 (inc VAT)£4.14 (ex VAT)View Product Add
MS2 Reverse Gear
MS2 Gearbox Oil Capacity is approximately 0.85 Litres (use Engine Oil)
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Rubber Element for Volvo Flexible Coupling (4 or 6 required)£42.82 (inc VAT)£35.68 (ex VAT)View Product Add
MS4A & MS4B Reverse Gear
MS4A & MS4B Gearbox Oil Capacity is approximately 1.7 Litres
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GL5 75W/90 Synthetic Gear Oil - 1 Litre - Genuine (Not available to customers outside the UK)£26.78 (inc VAT)£22.32 (ex VAT)View Product Add
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GL5 75W/90 Synthetic Gear Oil - 5 Litre - Genuine (Not available to customers outside the UK)£124.20 (inc VAT)£103.50 (ex VAT)View Product Add
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GL5 75W/90 Synthetic Gear Oil - 0.946 Litre - Sierra (Not available to customers outside the UK)£20.33 (inc VAT)£16.94 (ex VAT)View Product Add
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GL5 75W/90 Synthetic Gear Oil - 18.95 Litre - Sierra (Not available to customers outside the UK)£312.00 (inc VAT)£260.00 (ex VAT)View Product Add
Zinc Shaft Clamp Anodes - Seawater Use
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.
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25G Tube Of Grease for Rubber Stuffing Box - Genuine£4.97 (inc VAT)£4.14 (ex VAT)View Product Add
Tools & Manuals
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Impeller Removal Tool for Genuine 21951356 Impeller only£13.32 (inc VAT)£11.10 (ex VAT)View Product Add