Fel-Pro BS40522 is a rear main seal gasket and crankshaft seal kit for select compact Chevy, Geo, Pontiac, and Suzuki applications from the mid-1980s through early 2000s. It targets crankshaft oil leaks at the rear of the engine with an application-specific sealing package built for repair work where sealing surfaces may not be perfect.

Fel-Pro BS40522 Features:

• Application-specific design helps the seal seat correctly in the intended rear main crankshaft location.
• Engineered to meet or exceed OE specifications for fit, form, and function.
• Proprietary sealing materials are selected to stand up to engine heat and oil exposure.
• Designed for troublesome repair environments, including imperfect sealing surfaces commonly found during service.
• Assembled product weight is .16 lb for an easy-to-handle gasket and seal package.

Includes:

• Rear main seal gasket components for the crankshaft sealing repair.

Use during rear main seal service when oil is leaking between the engine and transmission area. Confirm the exact engine and vehicle application before installation, and inspect the crankshaft sealing surface during the repair.

Fits select Chevy Metro and Sprint, Geo Metro, Pontiac Firefly, Suzuki Forsa, Samurai, Sidekick, SJ413, and Swift applications. Geo Metro coverage includes 1.0L L3 and 1.3L L4 engines where specified.