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MD21B Diesel Engine

Manufactured between the years of 1979 - 1981


Engine

75hp@4500rpm


  • Oil Filter - Genuine
    List Price
    £29.10 Ex VAT
    £34.92 Inc VAT
    Keypart Price
    £26.19 Ex VAT
    £31.43 Inc VAT
    In Stock

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  • Rocker Cover Gasket
    List Price
    £53.56 Ex VAT
    £64.27 Inc VAT
    Keypart Price
    £26.78 Ex VAT
    £32.14 Inc VAT
    In Stock

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  • Cylinder Head Gasket
    List Price
    £276.00 Ex VAT
    £331.20 Inc VAT
    Keypart Price
    £138.00 Ex VAT
    £165.60 Inc VAT
    Special Order Usually 7 - 9 Days

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  • Exhaust Manifold to Head Gasket - Genuine - (3 Required per Engine)
    List Price
    £13.30 Ex VAT
    £15.96 Inc VAT
    Keypart Price
    £11.97 Ex VAT
    £14.36 Inc VAT
    In Stock

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  • Exhaust Manifold to Head Gasket - Genuine - (2 Required per Engine)
    List Price
    £10.70 Ex VAT
    £12.84 Inc VAT
    Keypart Price
    £9.63 Ex VAT
    £11.56 Inc VAT
    In Stock

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Lubricants

Engine oil capacity is approximately 5.5 Litres


  • 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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  • 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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  • 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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  • 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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  • 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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  • 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


  • Drain Tap
    List Price
    £10.71 Ex VAT
    £12.85 Inc VAT
    Keypart Price
    £9.64 Ex VAT
    £11.57 Inc VAT
    In Stock

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  • 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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  • 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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  • 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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  • Thermostat Kit
    List Price
    £46.00 Ex VAT
    £55.20 Inc VAT
    Keypart Price
    £32.20 Ex VAT
    £38.64 Inc VAT
    In Stock

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  • Seawater Pump Drive Coupling
    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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  • O-ring - Seawater Pump to Block
    Keypart Price
    £2.60 Ex VAT
    £3.12 Inc VAT
    In Stock

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  • Impeller Kit - Replacement
    List Price
    £50.40 Ex VAT
    £60.48 Inc VAT
    Keypart Price
    £35.28 Ex VAT
    £42.34 Inc VAT
    In Stock

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  • Impeller Kit - Genuine
    List Price
    £50.40 Ex VAT
    £60.48 Inc VAT
    Keypart Price
    £45.36 Ex VAT
    £54.43 Inc VAT
    In Stock

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  • Seawater Pump Cover Screw
    Keypart Price
    £1.60 Ex VAT
    £1.92 Inc VAT
    Special Order Usually 7 - 9 Days

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  • Exhaust Elbow to Manifold Gasket
    List Price
    £21.60 Ex VAT
    £25.92 Inc VAT
    Keypart Price
    £10.80 Ex VAT
    £12.96 Inc VAT
    In Stock

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  • Seawater Pump Assembly - Genuine
    List Price
    £564.00 Ex VAT
    £676.80 Inc VAT
    Keypart Price
    £507.60 Ex VAT
    £609.12 Inc VAT
    Special Order Usually 3 - 5 Days

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  • Seawater Filter Strainer Basket - Genuine - (for Volvo Black Plastic Housing)
    List Price
    £25.70 Ex VAT
    £30.84 Inc VAT
    Keypart Price
    £23.13 Ex VAT
    £27.76 Inc VAT
    In Stock

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  • Seal Ring for 21880390
    List Price
    £24.00 Ex VAT
    £28.80 Inc VAT
    Keypart Price
    £21.60 Ex VAT
    £25.92 Inc VAT
    In Stock

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  • Circulation Pump Assembly
    Keypart Price
    £625.00 Ex VAT
    £750.00 Inc VAT
    Special Order Usually 3 - 5 Days

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Fuel System (Engine)


  • 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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  • 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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  • Washer - Vent Screw
    Keypart Price
    £0.38 Ex VAT
    £0.46 Inc VAT
    In Stock

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  • Washer - Fuel Lines (OD 15.8mm/ID 12.2mm/Thickness 1.15mm)
    List Price
    £0.83 Ex VAT
    £1.00 Inc VAT
    Keypart Price
    £0.75 Ex VAT
    £0.90 Inc VAT
    In Stock

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  • 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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  • 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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  • 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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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.


  • CAV/Delphi 296 Fuel Filter Assembly
    List Price
    £149.00 Ex VAT
    £178.80 Inc VAT
    Keypart Price
    £119.20 Ex VAT
    £143.04 Inc VAT
    In Stock

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  • 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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  • 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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Electrical System


  • 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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  • Fuse Block - Genuine
    List Price
    £15.60 Ex VAT
    £18.72 Inc VAT
    Keypart Price
    £14.04 Ex VAT
    £16.85 Inc VAT
    In Stock

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  • Glow Plug Resistance - Genuine
    List Price
    £72.60 Ex VAT
    £87.12 Inc VAT
    Keypart Price
    £65.34 Ex VAT
    £78.41 Inc VAT
    In Stock

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  • Oil Pressure Switch - Replacement - for Warning Light
    List Price
    £17.20 Ex VAT
    £20.64 Inc VAT
    Keypart Price
    £15.48 Ex VAT
    £18.58 Inc VAT
    In Stock

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  • Temperature Sender for Gauge - Genuine
    List Price
    £54.10 Ex VAT
    £64.92 Inc VAT
    Keypart Price
    £43.28 Ex VAT
    £51.94 Inc VAT
    Low Stock

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  • Drive Belt
    List Price
    £15.60 Ex VAT
    £18.72 Inc VAT
    Keypart Price
    £12.48 Ex VAT
    £14.98 Inc VAT
    In Stock

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  • 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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  • Alternator Pulley (Required when upgrading to 14V/60A) - Genuine
    List Price
    £73.60 Ex VAT
    £88.32 Inc VAT
    Keypart Price
    £66.24 Ex VAT
    £79.49 Inc VAT
    In Stock

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Repair Kits


  • 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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  • 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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  • 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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  • 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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  • 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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  • 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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Zinc Shaft Clamp Anodes - Seawater Use


  • 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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  • 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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  • 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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  • 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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  • 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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  • 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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  • 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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  • 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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  • 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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  • 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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  • 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


  • 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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MD21B Diesel Engine