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Oil pressure in your 'MINI' motor should be looked at just as critically as you do your blood pressure! If you assume you have good bearings, pump, etc. you might still have low oil pressure just because of a weak spring or a worn and damaged plunger. They are extremely easy to replace and thus should be done at every rebuild. And in fact should be the first thing to check/replace when low oil pressure is noticed! See part# AEA536 for the spring.
Classic Mini Oil Pressure Relief Plunger Valve

Classic Mini Oil Pressure Relief Plunger Valve

Classic Mini Oil Pressure Relief Plunger Valve
Part No: 12H865
$3.11
Qty:
Fits the following:
Classic Mini
Sprite & MG Midget
Morris Minor
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Oil pressure in your 'MINI' motor should be looked at just as critically as you do your blood pressure! If you assume you have good bearings, pump, etc. you might still have low oil pressure just because of a weak spring or a worn and damaged plunger. They are extremely easy to replace and thus should be done at every rebuild. And in fact should be the first thing to check/replace when low oil pressure is noticed! See part# AEA536 for the spring.
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Related Technical Articles:
Classic Mini Cooper Oil Pumps & Oil Filters page 35
Created: January 04, 2019
Classic Mini Cooper Oil pumps fr all 1959 thru 2000 Mini Engines are available new and ready to bolt in. High capacity pumps are available for race or hot street performance. Adjustable oil pressure relief valves can help keep you engine safe.