431B Petrol Engine

Manufactured between the years of 1991 - 1992

Engine

• 

  18-7879-1

  Oil Filter - Replacement

  List Price

  £12.88 Ex VAT

  £15.46 Inc VAT

  Keypart Price

  £10.30 Ex VAT

  £12.36 Inc VAT

  In Stock
  
  Add to Basket (0)
• 

  841750

  Oil Filter - Genuine

  List Price

  £8.10 Ex VAT

  £9.72 Inc VAT

  Keypart Price

  £7.29 Ex VAT

  £8.75 Inc VAT

  In Stock
  
  Add to Basket (0)
• 

  DB-111

  Power Steering Belt

  List Price

  £24.90 Ex VAT

  £29.88 Inc VAT

  Keypart Price

  £19.92 Ex VAT

  £23.90 Inc VAT

  Low Stock
  
  Add to Basket (0)
• 

  18-0311

  Rocker Cover Gasket - (2 Required per Engine)

  List Price

  £44.45 Ex VAT

  £53.34 Inc VAT

  Keypart Price

  £35.52 Ex VAT

  £42.62 Inc VAT

  In Stock
  
  Add to Basket (0)

Replacement Long Block

Lubricants

Engine oil capacity is approximately 4.2 Litres

• 

  18-9400-4

  25W/40 Engine Oil 4.7 Litre (Not available to customers outside the UK)

  List Price

  £50.43 Ex VAT

  £60.52 Inc VAT

  Keypart Price

  £40.34 Ex VAT

  £48.41 Inc VAT

  Low Stock
  
  Add to Basket (0)
• 

  18-9440-4

  25W/40 Synthetic Blend Engine Oil 4.7 litre (Not available to customers outside the UK)

  List Price

  £57.11 Ex VAT

  £68.53 Inc VAT

  Keypart Price

  £45.69 Ex VAT

  £54.83 Inc VAT

  Low Stock
  
  Add to Basket (0)
• 

  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
  
  Add to Basket (0)

Exhaust Manifold Kits

• 

  KP-Manifold-Set-2

  Manifold & Riser Kit - Engine Set - Replacement

  List Price

  £700.00 Ex VAT

  £840.00 Inc VAT

  Keypart Price

  £550.00 Ex VAT

  £660.00 Inc VAT

  In Stock
  
  Add to Basket (0)

Cooling System

• 

  876305

  Thermostat Kit for Direct Cooled Engines - Genuine

  List Price

  £23.40 Ex VAT

  £28.08 Inc VAT

  Keypart Price

  £21.06 Ex VAT

  £25.27 Inc VAT

  In Stock
  
  Add to Basket (0)
• 

  3862281-R

  Impeller Kit - Replacement - for Pumps with 4-hole Cover

  List Price

  £34.20 Ex VAT

  £41.04 Inc VAT

  Keypart Price

  £27.36 Ex VAT

  £32.83 Inc VAT

  In Stock
  
  Add to Basket (0)
• 

  21951346

  Seawater Pump Impeller Kit - Splined Type - Genuine

  List Price

  £34.20 Ex VAT

  £41.04 Inc VAT

  Keypart Price

  £30.78 Ex VAT

  £36.94 Inc VAT

  In Stock
  
  Add to Basket (0)
• 

  876120-R

  Impeller Kit - Replacement - for Pumps with 6-hole Cover

  List Price

  £51.30 Ex VAT

  £61.56 Inc VAT

  Keypart Price

  £41.04 Ex VAT

  £49.25 Inc VAT

  In Stock
  
  Add to Basket (0)
• 

  857451-R

  Seawater Pump Assembly - ** VALUE ITEM **

  List Price

  £359.00 Ex VAT

  £430.80 Inc VAT

  Keypart Price

  £305.15 Ex VAT

  £366.18 Inc VAT

  In Stock
  
  Add to Basket (0)
• 

  948324-R

  Allen Screw for securing 857451 - Replacement - 3 required

  List Price

  £6.70 Ex VAT

  £8.04 Inc VAT

  Keypart Price

  £5.36 Ex VAT

  £6.43 Inc VAT

  In Stock
  
  Add to Basket (0)
• 

  841693-R

  Seawater Pump Cover Screw - for Pumps with 4-hole Cover

  List Price

  £3.45 Ex VAT

  £4.14 Inc VAT

  Keypart Price

  £2.76 Ex VAT

  £3.31 Inc VAT

  In Stock
  
  Add to Basket (0)
• 

  804693-R

  Seawater Pump Cover Screw - for Pumps with 6-hole Cover

  Keypart Price

  £1.50 Ex VAT

  £1.80 Inc VAT

  In Stock
  
  Add to Basket (0)
• 

  18-3599-1

  Circulation Pump Assembly - ** VALUE ITEM **

  List Price

  £146.00 Ex VAT

  £175.20 Inc VAT

  Keypart Price

  £85.00 Ex VAT

  £102.00 Inc VAT

  In Stock
  
  Add to Basket (0)
• 

  856894-R

  Exhaust Manifold (2 Required per Engine) - ** VALUE ITEM **

  List Price

  £276.00 Ex VAT

  £331.20 Inc VAT

  Keypart Price

  £160.00 Ex VAT

  £192.00 Inc VAT

  Low Stock
  
  Add to Basket (0)
• 

  857037-R

  Exhaust Riser (2 Required per Engine) - ** VALUE ITEM**

  List Price

  £162.00 Ex VAT

  £194.40 Inc VAT

  Keypart Price

  £145.80 Ex VAT

  £174.96 Inc VAT

  Low Stock
  
  Add to Basket (0)
• 

  18-2909

  Exhaust Manifold to Head Gasket (2 required per engine)

  List Price

  £8.50 Ex VAT

  £10.20 Inc VAT

  Keypart Price

  £7.65 Ex VAT

  £9.18 Inc VAT

  In Stock
  
  Add to Basket (0)
• 

  857618-R

  Exhaust Manifold to Riser Gasket (2 Required Per Engine)

  List Price

  £12.10 Ex VAT

  £14.52 Inc VAT

  Keypart Price

  £7.26 Ex VAT

  £8.71 Inc VAT

  In Stock
  
  Add to Basket (0)
• 

  834751-R

  Exhaust Riser to Downpipe Hose (2 Required per Engine) - Replacement

  List Price

  £71.40 Ex VAT

  £85.68 Inc VAT

  Keypart Price

  £49.98 Ex VAT

  £59.98 Inc VAT

  In Stock
  
  Add to Basket (0)

Fuel System (Engine)

• 

  18-7944

  Fuel Filter (10 Micron) - Replacement -100mm (3-15/16") Long - - for Bulkhead Mounting

  List Price

  £11.92 Ex VAT

  £14.30 Inc VAT

  Keypart Price

  £9.54 Ex VAT

  £11.45 Inc VAT

  Low Stock
  
  Add to Basket (0)
• 

  18-7945

  10-Micron Fuel Filter - Replacement - 110mm (4-3/8") Long

  List Price

  £11.92 Ex VAT

  £14.30 Inc VAT

  Keypart Price

  £9.54 Ex VAT

  £11.45 Inc VAT

  Low Stock
  
  Add to Basket (0)
• 

  855686

  Fuel Filter - Spin On - Genuine

  Keypart Price

  £10.30 Ex VAT

  £12.36 Inc VAT

  In Stock
  
  Add to Basket (0)
• 

  18-7086

  Carburettor Repair Kit - Rochester 2GC

  List Price

  £57.08 Ex VAT

  £68.50 Inc VAT

  Keypart Price

  £45.66 Ex VAT

  £54.79 Inc VAT

  In Stock
  
  Add to Basket (0)
• 

  18-7072

  Carburettor Repair Kit - Rochester Quadrajet 4MV

  List Price

  £125.58 Ex VAT

  £150.70 Inc VAT

  Keypart Price

  £65.00 Ex VAT

  £78.00 Inc VAT

  In Stock
  
  Add to Basket (0)
• 

  92-8M0079745

  Quickstor Fuel Stabiliser - 355ml (12oz) - Genuine - - Treats approx 50 Imperial Gallons

  Keypart Price

  £19.58 Ex VAT

  £23.50 Inc VAT

  In Stock
  
  Add to Basket (0)

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.

• 

  18-7848-1

  Fuel Filter Kit with 1/4" Ports - Aluminium Head (Short Filter) 21 micron for Bulkhead Mounting

  List Price

  £40.00 Ex VAT

  £48.00 Inc VAT

  Keypart Price

  £30.00 Ex VAT

  £36.00 Inc VAT

  In Stock
  
  Add to Basket (0)
• 

  18-8074

  Barbed Hose Tail for 3/8" ID Hose for Fuel Filter Assembly - Straight

  List Price

  £8.00 Ex VAT

  £9.60 Inc VAT

  Keypart Price

  £6.00 Ex VAT

  £7.20 Inc VAT

  Low Stock
  
  Add to Basket (0)
• 

  18-8067

  Barbed Hose Tail for 3/8" ID Hose for Fuel Filter Assembly - 90 Deg

  List Price

  £10.00 Ex VAT

  £12.00 Inc VAT

  Keypart Price

  £8.00 Ex VAT

  £9.60 Inc VAT

  Please Contact for Stock Status
  
  Add to Basket (0)
• 

  18-7944

  Fuel Filter (10 Micron) - Replacement -100mm (3-15/16") Long - - for Bulkhead Mounting

  List Price

  £11.92 Ex VAT

  £14.30 Inc VAT

  Keypart Price

  £9.54 Ex VAT

  £11.45 Inc VAT

  Low Stock
  
  Add to Basket (0)
• 

  18-7945

  10-Micron Fuel Filter - Replacement - 110mm (4-3/8") Long

  List Price

  £11.92 Ex VAT

  £14.30 Inc VAT

  Keypart Price

  £9.54 Ex VAT

  £11.45 Inc VAT

  Low Stock
  
  Add to Basket (0)
• 

  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
  
  Add to Basket (0)
• 

  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
  
  Add to Basket (0)
• 

  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
  
  Add to Basket (0)

Ignition System

• 

  BR6FS

  Spark Plug - (6 Required per Engine)

  List Price

  £5.30 Ex VAT

  £6.36 Inc VAT

  Keypart Price

  £3.80 Ex VAT

  £4.56 Inc VAT

  In Stock
  
  Add to Basket (0)
• 

  18-8802-1

  High Tension Plug Lead Set

  List Price

  £60.00 Ex VAT

  £72.00 Inc VAT

  Keypart Price

  £42.00 Ex VAT

  £50.40 Inc VAT

  In Stock
  
  Add to Basket (0)
• 

  18-5403

  Rotor Arm - Prestolite

  List Price

  £9.60 Ex VAT

  £11.52 Inc VAT

  Keypart Price

  £7.68 Ex VAT

  £9.22 Inc VAT

  Low Stock
  
  Add to Basket (0)
• 

  18-5353

  Distributor Cap - Prestolite

  List Price

  £53.90 Ex VAT

  £64.68 Inc VAT

  Keypart Price

  £40.42 Ex VAT

  £48.50 Inc VAT

  In Stock
  
  Add to Basket (0)
• 

  18-26310-2

  Mallory Electronic Distributor - Even Fire - Replacement - - for AQ205A, 431A and 431B

  List Price

  £420.00 Ex VAT

  £504.00 Inc VAT

  Keypart Price

  £350.00 Ex VAT

  £420.00 Inc VAT

  In Stock
  
  Add to Basket (0)
• 

  18-28175

  HT Lead Marker Set numbered 1 to 8

  List Price

  £11.00 Ex VAT

  £13.20 Inc VAT

  Keypart Price

  £9.00 Ex VAT

  £10.80 Inc VAT

  Low Stock
  
  Add to Basket (0)
• 

  18-28150

  HT Lead Wire Separator Kit - Blue

  List Price

  £11.00 Ex VAT

  £13.20 Inc VAT

  Keypart Price

  £9.00 Ex VAT

  £10.80 Inc VAT

  In Stock
  
  Add to Basket (0)
• 

  18-28151

  HT Lead Wire Separator Kit - Black

  List Price

  £11.00 Ex VAT

  £13.20 Inc VAT

  Keypart Price

  £9.00 Ex VAT

  £10.80 Inc VAT

  Please Contact for Stock Status
  
  Add to Basket (0)

Electrical System

• 

  18-6275-1

  Marine Starter Motor Assembly - Heavy Duty with Water Drain

  List Price

  £279.00 Ex VAT

  £334.80 Inc VAT

  Keypart Price

  £125.00 Ex VAT

  £150.00 Inc VAT

  In Stock
  
  Add to Basket (0)
• 

  978750-R

  Alternator Drive Belt

  List Price

  £30.50 Ex VAT

  £36.60 Inc VAT

  Keypart Price

  £21.35 Ex VAT

  £25.62 Inc VAT

  Low Stock
  
  Add to Basket (0)
• 

  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
  
  Add to Basket (0)
• 

  841813

  Alternator Pulley (Required when upgrading to 14V/60A) - Genuine

  List Price

  £55.90 Ex VAT

  £67.08 Inc VAT

  Keypart Price

  £50.31 Ex VAT

  £60.37 Inc VAT

  In Stock
  
  Add to Basket (0)
• 

  841177-R

  Starter Relay 12V - Replacement

  List Price

  £23.60 Ex VAT

  £28.32 Inc VAT

  Keypart Price

  £18.88 Ex VAT

  £22.66 Inc VAT

  In Stock
  
  Add to Basket (0)
• 

  841178

  Reset Fuse Unit - Genuine

  List Price

  £61.90 Ex VAT

  £74.28 Inc VAT

  Keypart Price

  £55.71 Ex VAT

  £66.85 Inc VAT

  In Stock
  
  Add to Basket (0)
• 

  3819905

  55A Power Trim Fuse

  List Price

  £18.90 Ex VAT

  £22.68 Inc VAT

  Keypart Price

  £17.01 Ex VAT

  £20.41 Inc VAT

  In Stock
  
  Add to Basket (0)

Repair Kits

• 

  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
  
  Add to Basket (0)

Repair Items

• 

  835407

  Crankshaft Pulley - 2-Groove - Genuine

  List Price

  £114.00 Ex VAT

  £136.80 Inc VAT

  Keypart Price

  £102.60 Ex VAT

  £123.12 Inc VAT

  Special Order Usually 3 - 5 Days
  
  Add to Basket (0)
• 

  18-4516

  Flywheel Ring Gear For 14" GM Flywheel - Replacement (168 Teeth)

  List Price

  £181.00 Ex VAT

  £217.20 Inc VAT

  Keypart Price

  £100.00 Ex VAT

  £120.00 Inc VAT

  In Stock
  
  Add to Basket (0)

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.

• 

  LOCTITE-243-10ML

  Loctite Threadlock 10ml

  List Price

  £26.00 Ex VAT

  £31.20 Inc VAT

  Keypart Price

  £21.00 Ex VAT

  £25.20 Inc VAT

  Low Stock
  
  Add to Basket (0)
• 

  LOCTITE-243-50ML

  Loctite Threadlock 50ml

  List Price

  £60.00 Ex VAT

  £72.00 Inc VAT

  Keypart Price

  £50.00 Ex VAT

  £60.00 Inc VAT

  In Stock
  
  Add to Basket (0)
• 

  92-8M0079745

  Quickstor Fuel Stabiliser - 355ml (12oz) - Genuine - - Treats approx 50 Imperial Gallons

  Keypart Price

  £19.58 Ex VAT

  £23.50 Inc VAT

  In Stock
  
  Add to Basket (0)
• 

  92-8M0121972

  *AEROSOL* Fogging Oil Spray (12oz) 340gm - Genuine (for use when laying up) (Shipping restrictions apply - see above)

  List Price

  £21.29 Ex VAT

  £25.55 Inc VAT

  Keypart Price

  £19.16 Ex VAT

  £22.99 Inc VAT

  In Stock
  
  Add to Basket (0)

Tools & Manuals

• 

  18-03600

  Engine & Sterndrive Workshop Manual 1968-1991

  List Price

  £41.00 Ex VAT

  £41.00 Inc VAT

  Keypart Price

  £36.00 Ex VAT

  £36.00 Inc VAT

  In Stock
  
  Add to Basket (0)
• 

  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
  
  Add to Basket (0)

Accessories

• 

  MP40970-1

  Safety Switch - Sierra Marine Works - Coiled Lanyard

  List Price

  £34.00 Ex VAT

  £40.80 Inc VAT

  Keypart Price

  £26.00 Ex VAT

  £31.20 Inc VAT

  Please Contact for Stock Status
  
  Add to Basket (0)
• 

  UN77310

  Battery Master Switch - Sierra Marine Works - 12V/100A Continuous (12V/500A for 10 seconds)

  List Price

  £24.00 Ex VAT

  £28.80 Inc VAT

  Keypart Price

  £17.00 Ex VAT

  £20.40 Inc VAT

  Please Contact for Stock Status
  
  Add to Basket (0)