Rear Engine Main Seal Crankshaft 240Z 260Z 280Z 510

New engine crankshaft rear seal with side seals for Datsun 240Z, 260Z, 280Z, 280ZX and 510 1968-83.. Nissan L16, L18, L20B, L24, L26 and L28 engines. If you have an oil leak coming from the rear of the engine this is a common fix.