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MD21A Diesel Engine

Manufactured between the years of 1969 - 1979


Engine

75hp@4500rpm


  • Oil Filter - Genuine - (for early engines)
    List Price
    £12.40 Ex VAT
    £14.88 Inc VAT
    Keypart Price
    £9.92 Ex VAT
    £11.90 Inc VAT
    Low Stock

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  • Oil Filter - Genuine - for Late Engines
    List Price
    £28.40 Ex VAT
    £34.08 Inc VAT
    Keypart Price
    £25.56 Ex VAT
    £30.67 Inc VAT
    Low Stock

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  • Rocker Cover Gasket
    List Price
    £52.00 Ex VAT
    £62.40 Inc VAT
    Keypart Price
    £26.00 Ex VAT
    £31.20 Inc VAT
    Please Contact for Stock Status

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  • Cylinder Head Gasket
    List Price
    £264.00 Ex VAT
    £316.80 Inc VAT
    Keypart Price
    £132.00 Ex VAT
    £158.40 Inc VAT
    In Stock

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  • Exhaust Manifold to Head Gasket - Genuine - (3 Required per Engine)
    List Price
    £12.70 Ex VAT
    £15.24 Inc VAT
    Keypart Price
    £11.43 Ex VAT
    £13.72 Inc VAT
    In Stock

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  • Exhaust Manifold to Head Gasket - Genuine - (2 Required per Engine)
    List Price
    £10.20 Ex VAT
    £12.24 Inc VAT
    Keypart Price
    £9.18 Ex VAT
    £11.02 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
    £8.90 Ex VAT
    £10.68 Inc VAT
    Keypart Price
    £8.01 Ex VAT
    £9.61 Inc VAT
    Low Stock

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  • Oil Change Pump Kit (Universal)
    List Price
    £75.00 Ex VAT
    £90.00 Inc VAT
    Keypart Price
    £63.00 Ex VAT
    £75.60 Inc VAT
    Please Contact for Stock Status

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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
    £36.70 Ex VAT
    £44.04 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
    £120.00 Ex VAT
    £144.00 Inc VAT
    Keypart Price
    £96.00 Ex VAT
    £115.20 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
    £39.30 Ex VAT
    £47.16 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
    £39.90 Ex VAT
    £47.88 Inc VAT
    Low Stock

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Cooling System


  • Drain Tap
    List Price
    £10.40 Ex VAT
    £12.48 Inc VAT
    Keypart Price
    £9.36 Ex VAT
    £11.23 Inc VAT
    In Stock

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  • Zinc Pencil Anode - Sea-water use
    List Price
    £8.70 Ex VAT
    £10.44 Inc VAT
    Keypart Price
    £6.09 Ex VAT
    £7.31 Inc VAT
    In Stock

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  • Magnesium Pencil Anode - Fresh-water use
    List Price
    £9.70 Ex VAT
    £11.64 Inc VAT
    Keypart Price
    £7.76 Ex VAT
    £9.31 Inc VAT
    In Stock

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  • Brass Holder for 838929 Pencil Anode
    List Price
    £14.60 Ex VAT
    £17.52 Inc VAT
    Keypart Price
    £11.68 Ex VAT
    £14.02 Inc VAT
    In Stock

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  • Thermostat Kit
    List Price
    £44.00 Ex VAT
    £52.80 Inc VAT
    Keypart Price
    £30.80 Ex VAT
    £36.96 Inc VAT
    In Stock

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  • Seawater Pump Drive Coupling
    List Price
    £10.20 Ex VAT
    £12.24 Inc VAT
    Keypart Price
    £8.16 Ex VAT
    £9.79 Inc VAT
    In Stock

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  • O-ring - Seawater Pump to Block
    Keypart Price
    £2.50 Ex VAT
    £3.00 Inc VAT
    In Stock

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  • Impeller Kit - Replacement - - for early Pumps with Splined Hub
    List Price
    £32.80 Ex VAT
    £39.36 Inc VAT
    Keypart Price
    £26.24 Ex VAT
    £31.49 Inc VAT
    In Stock

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  • Impeller Kit - Replacement - for later Pumps with Key Drive
    List Price
    £48.50 Ex VAT
    £58.20 Inc VAT
    Keypart Price
    £33.95 Ex VAT
    £40.74 Inc VAT
    In Stock

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  • Impeller Kit - Genuine - for later Pumps with Key Drive
    List Price
    £48.50 Ex VAT
    £58.20 Inc VAT
    Keypart Price
    £43.65 Ex VAT
    £52.38 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
    £20.80 Ex VAT
    £24.96 Inc VAT
    Keypart Price
    £10.40 Ex VAT
    £12.48 Inc VAT
    In Stock

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  • Seawater Pump Assembly - Genuine - for Engines without Tacho Drive
    List Price
    £528.00 Ex VAT
    £633.60 Inc VAT
    Keypart Price
    £475.20 Ex VAT
    £570.24 Inc VAT
    Special Order Usually 3 - 5 Days

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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
    £8.40 Ex VAT
    £10.08 Inc VAT
    Keypart Price
    £5.88 Ex VAT
    £7.06 Inc VAT
    Low Stock

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  • Fuel Filter for CAV/Delphi 296 Pre-filter - Genuine
    List Price
    £8.40 Ex VAT
    £10.08 Inc VAT
    Keypart Price
    £7.56 Ex VAT
    £9.07 Inc VAT
    Low Stock

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  • Washer - Vent Screw
    Keypart Price
    £0.36 Ex VAT
    £0.43 Inc VAT
    In Stock

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  • Washer - Fuel Lines (OD 15.8mm/ID 12.2mm/Thickness 1.15mm)
    List Price
    £0.78 Ex VAT
    £0.94 Inc VAT
    Keypart Price
    £0.71 Ex VAT
    £0.85 Inc VAT
    In Stock

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  • Washer - Fuel Lines (OD 17.8mm/ID 13.6mm/ Thickness 1.55mm)
    Keypart Price
    £0.37 Ex VAT
    £0.44 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
    Please Contact for Stock Status

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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
    £144.00 Ex VAT
    £172.80 Inc VAT
    Keypart Price
    £115.20 Ex VAT
    £138.24 Inc VAT
    In Stock

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  • Fuel Filter for CAV/Delphi 296 Pre-filter (Optional) - Replacement
    List Price
    £8.40 Ex VAT
    £10.08 Inc VAT
    Keypart Price
    £5.88 Ex VAT
    £7.06 Inc VAT
    Low Stock

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  • Fuel Filter for CAV/Delphi 296 Pre-filter - Genuine
    List Price
    £8.40 Ex VAT
    £10.08 Inc VAT
    Keypart Price
    £7.56 Ex VAT
    £9.07 Inc VAT
    Low 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
    Low Stock

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  • Fuse Block - Genuine
    List Price
    £15.00 Ex VAT
    £18.00 Inc VAT
    Keypart Price
    £13.50 Ex VAT
    £16.20 Inc VAT
    Please Contact for Stock Status

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  • Glow Plug Resistance - Genuine
    List Price
    £69.50 Ex VAT
    £83.40 Inc VAT
    Keypart Price
    £62.55 Ex VAT
    £75.06 Inc VAT
    In Stock

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  • Oil Pressure Switch - Replacement - for Warning Light
    List Price
    £16.50 Ex VAT
    £19.80 Inc VAT
    Keypart Price
    £14.85 Ex VAT
    £17.82 Inc VAT
    In Stock

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  • Temperature Sender for Gauge - Genuine
    List Price
    £52.40 Ex VAT
    £62.88 Inc VAT
    Keypart Price
    £41.92 Ex VAT
    £50.30 Inc VAT
    Low Stock

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  • Drive Belt - for Alternator
    List Price
    £15.00 Ex VAT
    £18.00 Inc VAT
    Keypart Price
    £12.00 Ex VAT
    £14.40 Inc VAT
    Please Contact for Stock Status

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  • 14V/60A Alternator Assembly (Pulley NOT included)
    List Price
    £365.00 Ex VAT
    £438.00 Inc VAT
    Keypart Price
    £235.00 Ex VAT
    £282.00 Inc VAT
    In Stock

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  • Alternator Pulley (Required when upgrading to 14V/60A) - Genuine
    List Price
    £70.40 Ex VAT
    £84.48 Inc VAT
    Keypart Price
    £63.36 Ex VAT
    £76.03 Inc VAT
    In Stock

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Repair Kits


  • De-Coke Gasket Kit
    List Price
    £400.00 Ex VAT
    £480.00 Inc VAT
    Keypart Price
    £280.00 Ex VAT
    £336.00 Inc VAT
    In Stock

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  • Seawater Pump Repair Kit - for Key Drive Pump
    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
    £41.10 Ex VAT
    £49.32 Inc VAT
    Keypart Price
    £32.88 Ex VAT
    £39.46 Inc VAT
    In Stock

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Zinc Shaft Clamp Anodes - Seawater Use


  • 3/4" Zinc Shaft Anode
    List Price
    £16.00 Ex VAT
    £19.20 Inc VAT
    Keypart Price
    £11.20 Ex VAT
    £13.44 Inc VAT
    In Stock

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  • 25mm Zinc Shaft Anode
    List Price
    £17.00 Ex VAT
    £20.40 Inc VAT
    Keypart Price
    £11.90 Ex VAT
    £14.28 Inc VAT
    In Stock

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  • 1" Zinc Shaft Anode
    List Price
    £16.00 Ex VAT
    £19.20 Inc VAT
    Keypart Price
    £11.20 Ex VAT
    £13.44 Inc VAT
    In Stock

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  • 30mm Zinc Shaft Anode
    List Price
    £17.00 Ex VAT
    £20.40 Inc VAT
    Keypart Price
    £11.90 Ex VAT
    £14.28 Inc VAT
    In Stock

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  • 1-1/4" Zinc Shaft Anode
    List Price
    £17.00 Ex VAT
    £20.40 Inc VAT
    Keypart Price
    £11.90 Ex VAT
    £14.28 Inc VAT
    In Stock

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  • 35mm Zinc Shaft Anode
    List Price
    £18.00 Ex VAT
    £21.60 Inc VAT
    Keypart Price
    £12.60 Ex VAT
    £15.12 Inc VAT
    In Stock

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  • 1-1/2" Zinc Shaft Anode
    List Price
    £18.00 Ex VAT
    £21.60 Inc VAT
    Keypart Price
    £12.60 Ex VAT
    £15.12 Inc VAT
    In Stock

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  • 40mm Zinc Shaft Anode
    List Price
    £22.00 Ex VAT
    £26.40 Inc VAT
    Keypart Price
    £15.40 Ex VAT
    £18.48 Inc VAT
    In Stock

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  • 45mm Zinc Shaft Anode
    List Price
    £23.00 Ex VAT
    £27.60 Inc VAT
    Keypart Price
    £16.10 Ex VAT
    £19.32 Inc VAT
    In Stock

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  • 50mm Zinc Shaft Anode
    List Price
    £30.00 Ex VAT
    £36.00 Inc VAT
    Keypart Price
    £21.00 Ex VAT
    £25.20 Inc VAT
    In Stock

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  • 2" Zinc Shaft Anode
    List Price
    £30.00 Ex VAT
    £36.00 Inc VAT
    Keypart Price
    £21.00 Ex VAT
    £25.20 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
    £63.00 Ex VAT
    £75.60 Inc VAT
    Please Contact for Stock Status

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MD21A Diesel Engine