Fel-Pro BS406211 is a rear main seal gasket set for GM 3.8L 231 ci V6 engines used in many Buick, Chevy, Oldsmobile, and Pontiac cars from the mid-1990s through early 2000s. Built as an OEM-style service replacement, it helps stop oil leaks at the crankshaft rear sealing area during engine repair, stock rebuild work, or street-driven maintenance.

Fel-Pro BS406211 Features:

• 1-piece rubber rear main seal set is designed for the engine crankshaft rear sealing location.
• Application-specific design supports proper fit on covered GM 3800 V6 platforms instead of relying on a universal seal.
• Engineered for repair conditions, including imperfect sealing surfaces commonly found during service work.
• Manufactured with proprietary sealing materials and validated for fit, form, and function.
• Meets or exceeds OE specifications for applicable stock replacement use.

Includes:

• Rear main seal gasket set

Recommended for stock rebuilds and street-driven repair work. Research context notes this seal set is not intended for race applications.

Fits listed GM 3.8L 231 ci V6 applications including Buick LeSabre, Park Avenue, Regal, and Riviera; Chevy Camaro, Impala, Lumina, and Monte Carlo; Oldsmobile 88, 98, Intrigue, LSS, and Regency; and Pontiac Bonneville, Firebird, and Grand Prix. Check the vehicle year, trim, engine, and VIN code K or 1 where noted before ordering.