Fel-Pro BS40649 is a rear main seal gasket set for select GM 3.3L and 3.8L V6 engines where oil control at the back of the crankshaft matters. Built for repair-shop conditions, it uses an application-specific, 1-piece PTFE rubber seal design to help restore a dependable rear crankshaft seal on Buick, Chevy, Oldsmobile, and Pontiac platforms from the 1990s through early 2000s.

Fel-Pro BS40649 Features:

• Rear-position crankshaft seal helps address leaks at the engine and transmission mating area.
• 1-piece design supports accurate installation on the intended GM V6 applications.
• PTFE rubber construction is specified for the sealing element.
• Application-specific engineering is validated for fit, form, and function.
• Meets or exceeds OE specifications for the covered applications.

Best matched by vehicle, engine, and model year before installation, especially because coverage spans both 3.3L and 3.8L V6 GM applications.

Fits select 1990-2003 GM 3.3L and 3.8L V6 applications, including Buick Regal, Century, LeSabre, Park Avenue, Reatta, Riviera, and Skylark; Chevy Camaro, Impala, Lumina, Lumina APV, and Monte Carlo; Oldsmobile Achieva, Cutlass Calais, Cutlass Ciera, Cutlass Cruiser, Eighty-Eight, Ninety-Eight, Intrigue, LSS, Regency, Silhouette, and Toronado; plus Pontiac Bonneville, Firebird, Grand Am, Grand Prix, and Trans Sport.