tamo3 Posted September 7, 2018 Share Posted September 7, 2018 My '75 280z engine looks like leaking oil from rear crankshaft oil seal. I'm about to order the oil seal part, http://www.carpartsmanual.com/datsuns30/Datsun-Z-Index/Engine-280Z/Cylinder-Block Parts number is 12279-R4601 SEAL-OIL CRANKSHAFT It cost $40-$50 I saw someone is using 240SX part# 12279-5L310 It only cost around $10. http://www.pitroad-ts.com/tuning-page/tsuchiya240.htm I wonder those are interchangeable? Quote Link to comment Share on other sites More sharing options...
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