Description: Large. 2nd Design. Optional. Standard. Helps prevent leaks in various components of your vehicle This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors Original equipment parts are designed to work with your GM vehicle safety systems -- aftermarket replacement parts may not meet the same OE safety regulations, depending on the part type

Description: Seals the openings on either end of the crankshaft for a tight seal Withstands heat and pressure to help prevent the engine from leaking oil This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors Original equipment parts are designed to work with your GM vehicle safety systems -- aftermarket replacement parts may not meet the same OE safety regulations, depending on the part type

Description: All models. G10-30 vans. 4.3l. S-series. 4.3l. Astro, Safari. 4.3-262. Caballero, El Camino. 4.3l. Chevrolet. V6-252. Pontiac. V6-262.

Description: S-series. All models. Astro, Safari. Express, savana. Silverado, sierra. 4.3l. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors

Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors