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Engine
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$16.50
Oil Pressure Relief Valve (12H865) and Standard Spring (6K853),
The oil pressure relief valve consists of an aluminum plunger with a heavy spring behind it. Access is through the 15/16″ domed cap nut beside the dizzy. Once this nut is removed the spring will be visible. The plunger is beneath the spring and will probably be stuck, requiring encouragement to come out. Briefly cranking the engine over will usually free the plunger; in severe cases a thread tap can be screwed in to grip the plunger from the inside to draw it out. Now replace the new aluminum plunger(12H865) and lightly grind it in as you would valves in a cylinder head and clean all surfaces afterwards. It is always a good idea to replace the copper washer (6K431) under the domed nut.
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$4.13Add to cart
Oil Pressure Relief Valve Spring,
Cooper S 1961-1971 and where higher oil pressure relief is required
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$6.60Add to cart
Oil Pressure Relief Valve Spring, Standard
The oil pressure relief valve consists of an aluminum plunger with a heavy spring behind it. Access is through the 15/16″ domed cap nut beside the dizzy. Once this nut is removed the spring will be visible. The plunger is beneath the spring and will probably be stuck, requiring encouragement to come out. Briefly cranking the engine over will usually free the plunger; in severe cases a thread tap can be screwed in to grip the plunger from the inside to draw it out. This spring (6K853) and ball assembly should give you a steady 75 PSI @ high RPM. To prevent oil leaks, it is always a good idea to replace the copper washer (6K431) under the domed nut.
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Availability: This product is currently out of stock.
Oil Pressure Switch
Mini & Moke
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$15.94
Oil Pump Drive Adapter
Converts oil pump # GLP138 to spider drive
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$371.80Add to cart
Oil Pump Suit Cooper S
Pin drive oil pump for 1275cc engines, as originally used in the Cooper S. CNC machined from alloy billets with sintered internals assembled to very exacting standards. These close tolerance pumps produce consistently high oil pressure even at high RPM (10L/min at 1000RPM). So finely engineered that there is less oil drag on the pump giving potential for higher BHP.
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$3.74Add to cart
Oil Seal, Engine to Gearbox, Half Moon Shape
This is the half moon seal that goes between the engine to gearbox at the timing cover plate end.
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$102.47Add to cart
Positive Crankcase Ventilation Valve, Oil Separator Engine Breather 90 Degree
Fitted to Crankcase (Clutch Housing)
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$8.80
OIL THROWER – TIMING CHAIN
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$90.75Add to cart
Oxygen ambient air sensor with green plastic top. Fitted in the top of the manifold
Also known as IAT SENSOR- intake air sensor.