Oldsmobile Cutlass Supreme Crankcase
New, used, or aftermarket – from sellers across Europe.
Parts availability
Hard to find – this is exactly what hank is made for!
Widely available Limited Hard to find
Last updated: 16.09.2026, 10:06
Crankcase for your Oldsmobile Cutlass Supreme?
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Find Oldsmobile Cutlass Supreme parts online
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About this part
The crankcase on your Cutlass Supreme carries the crankshaft and main bearings and holds the engine oil. Cracks after a con-rod failure, worn bearing seats or stripped threads usually leave a replacement casing as the only fix.
Frequently asked questions
What should I check when buying a crankcase for the Oldsmobile Cutlass Supreme?
Match the engine code and casing number of your Cutlass Supreme, as manufacturers revise the part several times within one series. On motorcycles the case halves are machined as a pair at the factory, so always buy them matched.
What deserves extra attention when buying used?
Ask for photos of the bearing seats, sealing faces and threads, plus mileage and the reason for removal. Hairline cracks near the oil galleries are the usual reason a cheap crankcase turns expensive.
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