Fel-Pro BS40190 is a rear main seal gasket for GM 3.8 liter V6 repair work where crankshaft oil sealing at the rear of the engine matters. It is built for 2004-2005 applications such as Buick LeSabre, Park Avenue, Regal, Allure, and LaCrosse, Chevy Impala and Monte Carlo, plus Pontiac Bonneville and Grand Prix. A repair-focused design and rubber sealing construction help address real-world sealing surfaces without adding unverified hardware or fitment claims.

Fel-Pro BS40190 Features:

• Rear-position crankshaft seal gasket designed for the engine rear main sealing location.
• 1-piece rubber construction provides the sealing material specified in the product data.
• Application-specific engineering supports proper fit on the listed GM 3.8 liter V6 platforms.
• Validated for fit, form, and function, with design intent tied to repair applications rather than generic sealing use.
• Built to meet or exceed OE specifications for the covered applications.

Includes:

• One rear main seal gasket

Use for the cataloged 2004-2005 GM 3.8 liter V6 applications, including Buick LeSabre, Park Avenue, Regal, Allure, and LaCrosse; Chevy Impala and Monte Carlo; and Pontiac Bonneville and Grand Prix. Confirm engine and rear main seal position before installation.