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AQD21B Diesel Engine

Manufactured between the years of 1979 - 1981

Engine

  • 21549542 - Volvo Penta AQD21B Diesel Engine Oil Filter - Genuine
    21549542
    Oil Filter - Genuine
    List Price
    £29.70 Ex VAT
    £35.64 Inc VAT
    Keypart Price
    £26.73 Ex VAT
    £32.08 Inc VAT
    In Stock

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  • 829285-R - Volvo Penta AQD21B Diesel Engine Rocker Cover Gasket
    829285-R
    Rocker Cover Gasket
    List Price
    £55.70 Ex VAT
    £66.84 Inc VAT
    Keypart Price
    £27.85 Ex VAT
    £33.42 Inc VAT
    In Stock

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  • 859152-R - Volvo Penta AQD21B Diesel Engine Cylinder Head Gasket
    859152-R
    Cylinder Head Gasket
    List Price
    £284.00 Ex VAT
    £340.80 Inc VAT
    Keypart Price
    £142.00 Ex VAT
    £170.40 Inc VAT
    Special Order Usually 7 - 9 Days

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  • 859114 - Volvo Penta AQD21B Diesel Engine Exhaust Manifold to Head Gasket - Genuine - (3 Required per Engine)
    859114
    Exhaust Manifold to Head Gasket - Genuine - (3 Required per Engine)
    List Price
    £13.70 Ex VAT
    £16.44 Inc VAT
    Keypart Price
    £12.33 Ex VAT
    £14.80 Inc VAT
    In Stock

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  • 859144 - Volvo Penta AQD21B Diesel Engine Exhaust Manifold to Head Gasket - Genuine - (2 Required per Engine)
    859144
    Exhaust Manifold to Head Gasket - Genuine - (2 Required per Engine)
    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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Lubricants

Engine oil capacity is approximately 5.5 Litres

  • 23909453 - Volvo Penta AQD21B 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
    £10.00 Ex VAT
    £12.00 Inc VAT
    Keypart Price
    £9.00 Ex VAT
    £10.80 Inc VAT
    Low Stock

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  • 33799-0000 - Volvo Penta AQD21B Diesel Engine Oil Change Pump Kit (Universal)
    33799-0000
    Oil Change Pump Kit (Universal)
    List Price
    £75.00 Ex VAT
    £90.00 Inc VAT
    Keypart Price
    £65.00 Ex VAT
    £78.00 Inc VAT
    In Stock

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  • 23068343 - Volvo Penta AQD21B 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
    £43.30 Ex VAT
    £51.96 Inc VAT
    In Stock

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  • 23039851 - Volvo Penta AQD21B 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
    £135.00 Ex VAT
    £162.00 Inc VAT
    Keypart Price
    £108.00 Ex VAT
    £129.60 Inc VAT
    In Stock

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  • 22567206 - Volvo Penta AQD21B 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
    £44.20 Ex VAT
    £53.04 Inc VAT
    In Stock

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  • 22567295 - Volvo Penta AQD21B 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
    £44.80 Ex VAT
    £53.76 Inc VAT
    Please Contact for Stock Status

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Cooling System

  • 82744-R - Volvo Penta AQD21B Diesel Engine Drain Tap
    82744-R
    Drain Tap
    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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  • 838929-R - Volvo Penta AQD21B Diesel Engine Zinc Pencil Anode - Sea-water use
    838929-R
    Zinc Pencil Anode - Sea-water use
    List Price
    £9.40 Ex VAT
    £11.28 Inc VAT
    Keypart Price
    £6.58 Ex VAT
    £7.90 Inc VAT
    In Stock

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  • 838929M - Volvo Penta AQD21B Diesel Engine Magnesium Pencil Anode - Fresh-water use
    838929M
    Magnesium Pencil Anode - Fresh-water use
    List Price
    £10.50 Ex VAT
    £12.60 Inc VAT
    Keypart Price
    £8.40 Ex VAT
    £10.08 Inc VAT
    In Stock

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  • 838928-R - Volvo Penta AQD21B Diesel Engine Brass Holder for 838929 Pencil Anode
    838928-R
    Brass Holder for 838929 Pencil Anode
    List Price
    £15.70 Ex VAT
    £18.84 Inc VAT
    Keypart Price
    £12.56 Ex VAT
    £15.07 Inc VAT
    In Stock

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  • 875785-R - Volvo Penta AQD21B Diesel Engine Thermostat Kit
    875785-R
    Thermostat Kit
    List Price
    £47.30 Ex VAT
    £56.76 Inc VAT
    Keypart Price
    £33.11 Ex VAT
    £39.73 Inc VAT
    In Stock

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  • 831009-R - Volvo Penta AQD21B Diesel Engine Seawater Pump Drive Coupling
    831009-R
    Seawater Pump Drive Coupling
    List Price
    £11.10 Ex VAT
    £13.32 Inc VAT
    Keypart Price
    £8.88 Ex VAT
    £10.66 Inc VAT
    In Stock

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  • 925066-R - Volvo Penta AQD21B Diesel Engine O-ring - Seawater Pump to Block
    925066-R
    O-ring - Seawater Pump to Block
    Keypart Price
    £2.70 Ex VAT
    £3.24 Inc VAT
    Please Contact for Stock Status

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  • 875575-R - Volvo Penta AQD21B Diesel Engine Impeller Kit - Replacement
    875575-R
    Impeller Kit - Replacement
    List Price
    £51.40 Ex VAT
    £61.68 Inc VAT
    Keypart Price
    £35.98 Ex VAT
    £43.18 Inc VAT
    In Stock

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  • 21951350 - Volvo Penta AQD21B Diesel Engine Impeller Kit - Genuine
    21951350
    Impeller Kit - Genuine
    List Price
    £51.40 Ex VAT
    £61.68 Inc VAT
    Keypart Price
    £46.26 Ex VAT
    £55.51 Inc VAT
    In Stock

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  • 817825-R - Volvo Penta AQD21B Diesel Engine Seawater Pump Cover Screw
    817825-R
    Seawater Pump Cover Screw
    Keypart Price
    £1.70 Ex VAT
    £2.04 Inc VAT
    Special Order Usually 3 - 5 Days

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  • 952980-R - Volvo Penta AQD21B Diesel Engine Exhaust Hose with Clips - 200 mm Long
    952980-R
    Exhaust Hose with Clips - 200 mm Long
    List Price
    £69.30 Ex VAT
    £83.16 Inc VAT
    Keypart Price
    £30.00 Ex VAT
    £36.00 Inc VAT
    In Stock

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  • 859140-R - Volvo Penta AQD21B Diesel Engine Exhaust Elbow to Manifold Gasket
    859140-R
    Exhaust Elbow to Manifold Gasket
    List Price
    £22.50 Ex VAT
    £27.00 Inc VAT
    Keypart Price
    £11.25 Ex VAT
    £13.50 Inc VAT
    In Stock

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  • 831178 - Volvo Penta AQD21B Diesel Engine Seawater Pump Assembly - Genuine
    831178
    Seawater Pump Assembly - Genuine
    List Price
    £578.00 Ex VAT
    £693.60 Inc VAT
    Keypart Price
    £520.20 Ex VAT
    £624.24 Inc VAT
    Special Order Usually 3 - 5 Days

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  • 826870-R - Volvo Penta AQD21B Diesel Engine Circulation Pump Assembly
    826870-R
    Circulation Pump Assembly
    Keypart Price
    £750.00 Ex VAT
    £900.00 Inc VAT
    Special Order Usually 7 - 9 Days

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Fuel System (Engine)

  • 3581078-R - Volvo Penta AQD21B 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
    £8.70 Ex VAT
    £10.44 Inc VAT
    Keypart Price
    £6.09 Ex VAT
    £7.31 Inc VAT
    Low Stock

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  • 3581078 - Volvo Penta AQD21B Diesel Engine Fuel Filter for CAV/Delphi 296 Pre-filter - Genuine
    3581078
    Fuel Filter for CAV/Delphi 296 Pre-filter - Genuine
    List Price
    £8.70 Ex VAT
    £10.44 Inc VAT
    Keypart Price
    £7.83 Ex VAT
    £9.40 Inc VAT
    In Stock

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  • 25534 - Volvo Penta AQD21B Diesel Engine Washer - Vent Screw
    25534
    Washer - Vent Screw
    Keypart Price
    £0.39 Ex VAT
    £0.47 Inc VAT
    In Stock

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  • 48588-R - Volvo Penta AQD21B Diesel Engine Washer - Fuel Lines (OD 15.8mm/ID 12.2mm/Thickness 1.15mm)
    48588-R
    Washer - Fuel Lines (OD 15.8mm/ID 12.2mm/Thickness 1.15mm)
    List Price
    £0.85 Ex VAT
    £1.02 Inc VAT
    Keypart Price
    £0.76 Ex VAT
    £0.91 Inc VAT
    In Stock

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  • 957177-R - Volvo Penta AQD21B Diesel Engine Washer - Fuel Lines (OD 17.8mm/ID 13.6mm/ Thickness 1.55mm)
    957177-R
    Washer - Fuel Lines (OD 17.8mm/ID 13.6mm/ Thickness 1.55mm)
    Keypart Price
    £0.39 Ex VAT
    £0.47 Inc VAT
    In Stock

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  • 858459-R - Volvo Penta AQD21B Diesel Engine Fuel Lift Pump Assembly (No repair kits available for early Pumps)
    858459-R
    Fuel Lift Pump Assembly (No repair kits available for early Pumps)
    List Price
    £315.00 Ex VAT
    £378.00 Inc VAT
    Keypart Price
    £220.50 Ex VAT
    £264.60 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 AQD21B 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
    £8.70 Ex VAT
    £10.44 Inc VAT
    Keypart Price
    £6.09 Ex VAT
    £7.31 Inc VAT
    Low Stock

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  • 3581078 - Volvo Penta AQD21B Diesel Engine Fuel Filter for CAV/Delphi 296 Pre-filter - Genuine
    3581078
    Fuel Filter for CAV/Delphi 296 Pre-filter - Genuine
    List Price
    £8.70 Ex VAT
    £10.44 Inc VAT
    Keypart Price
    £7.83 Ex VAT
    £9.40 Inc VAT
    In Stock

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  • FF105D - Volvo Penta AQD21B 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 AQD21B 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
    In Stock

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Electrical System

  • 19923 - Volvo Penta AQD21B Diesel Engine 12V/2W Panel Light Bulb - White Bayonet Type - Genuine
    19923
    12V/2W Panel Light Bulb - White Bayonet Type - Genuine
    Keypart Price
    £1.70 Ex VAT
    £2.04 Inc VAT
    In Stock

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  • 873566 - Volvo Penta AQD21B Diesel Engine Fuse Block - Genuine
    873566
    Fuse Block - Genuine
    List Price
    £16.10 Ex VAT
    £19.32 Inc VAT
    Keypart Price
    £14.49 Ex VAT
    £17.39 Inc VAT
    In Stock

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  • 829637 - Volvo Penta AQD21B Diesel Engine Glow Plug Resistance - Genuine
    829637
    Glow Plug Resistance - Genuine
    List Price
    £75.60 Ex VAT
    £90.72 Inc VAT
    Keypart Price
    £68.04 Ex VAT
    £81.65 Inc VAT
    In Stock

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  • 1324750-R - Volvo Penta AQD21B Diesel Engine Oil Pressure Switch - Replacement - for Warning Light
    1324750-R
    Oil Pressure Switch - Replacement - for Warning Light
    List Price
    £17.70 Ex VAT
    £21.24 Inc VAT
    Keypart Price
    £15.93 Ex VAT
    £19.12 Inc VAT
    In Stock

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  • 827151 - Volvo Penta AQD21B Diesel Engine Temperature Sender for Gauge - Genuine
    827151
    Temperature Sender for Gauge - Genuine
    List Price
    £55.70 Ex VAT
    £66.84 Inc VAT
    Keypart Price
    £44.56 Ex VAT
    £53.47 Inc VAT
    Low Stock

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  • 966920-R - Volvo Penta AQD21B Diesel Engine Drive Belt
    966920-R
    Drive Belt
    List Price
    £16.10 Ex VAT
    £19.32 Inc VAT
    Keypart Price
    £12.88 Ex VAT
    £15.46 Inc VAT
    In Stock

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  • 873770-R - Volvo Penta AQD21B Diesel Engine 14V/60A Alternator Assembly (Pulley NOT included)
    873770-R
    14V/60A Alternator Assembly (Pulley NOT included)
    List Price
    £390.00 Ex VAT
    £468.00 Inc VAT
    Keypart Price
    £253.50 Ex VAT
    £304.20 Inc VAT
    Low Stock

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  • 841811 - Volvo Penta AQD21B Diesel Engine Alternator Pulley (Required when upgrading to 14V/60A) - Genuine
    841811
    Alternator Pulley (Required when upgrading to 14V/60A) - Genuine
    List Price
    £76.60 Ex VAT
    £91.92 Inc VAT
    Keypart Price
    £68.94 Ex VAT
    £82.73 Inc VAT
    In Stock

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Repair Kits

  • 876417-R - Volvo Penta AQD21B Diesel Engine De-Coke Gasket Kit
    876417-R
    De-Coke Gasket Kit
    List Price
    £405.00 Ex VAT
    £486.00 Inc VAT
    Keypart Price
    £285.00 Ex VAT
    £342.00 Inc VAT
    In Stock

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  • 875383-R - Volvo Penta AQD21B Diesel Engine Seawater Pump Repair Kit
    875383-R
    Seawater Pump Repair Kit
    List Price
    £166.67 Ex VAT
    £200.00 Inc VAT
    Keypart Price
    £116.67 Ex VAT
    £140.00 Inc VAT
    In Stock

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  • 36-2 - Volvo Penta AQD21B Diesel Engine Seawater Pump Seal Kit
    36-2
    Seawater Pump Seal Kit
    List Price
    £10.70 Ex VAT
    £12.84 Inc VAT
    Keypart Price
    £8.56 Ex VAT
    £10.27 Inc VAT
    In Stock

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  • 36-6 - Volvo Penta AQD21B Diesel Engine Oil Cooler Seal Kit
    36-6
    Oil Cooler Seal Kit
    List Price
    £4.61 Ex VAT
    £5.53 Inc VAT
    Keypart Price
    £3.46 Ex VAT
    £4.15 Inc VAT
    In Stock

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  • 36-17 - Volvo Penta AQD21B Diesel Engine Seal Kit for CAV/Delphi 296 Pre-filter
    36-17
    Seal Kit for CAV/Delphi 296 Pre-filter
    List Price
    £5.13 Ex VAT
    £6.16 Inc VAT
    Keypart Price
    £4.10 Ex VAT
    £4.92 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

  • 33799-0000 - Volvo Penta AQD21B Diesel Engine Oil Change Pump Kit (Universal)
    33799-0000
    Oil Change Pump Kit (Universal)
    List Price
    £75.00 Ex VAT
    £90.00 Inc VAT
    Keypart Price
    £65.00 Ex VAT
    £78.00 Inc VAT
    In Stock

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AQD21B Diesel Engine