Balancer Bolt

4.2L. 2.8 & 2.9L. 3.7L.

Engine Timing Cover

S-series. All models. 6 cylinder, with high output. 4.3L. Express, savana. 2003-14. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors .

Front Seal

4.2L. All models. 1st design. 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

Engine Valve Cover, Left

S-series. All models. Right. Express, savana. Left bank. 4.3L, 6 cylinder. 4.3L gas. 2003-14. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors .

Valve Cover Gasket

4.2L. All models. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors

Helps seal and keep oil from leaking out of your vehicle's engine oil filler opening This GM Genuine part is designed, engineered and tested to rigorous standards, and are backed by General Motors

4.2L. All models. 3.5 & 3.7L. 2.8 & 2.9L. Canyon, Colorado. Synchronizes the rotation of the crankshaft and the camshaft(s) to help ensure that the engine's valves open and close at the proper time during each cylinder's intake and exhaust strokes

Timing Chain Guide, Left

All models. Canyon, Colorado. Lower. 4.2L. 3.5 & 3.7L, left side. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors

Tensioner

4.2L. 3.5 & 3.7L. 2.8 & 2.9L. All models. Canyon, Colorado. Hummer H3. Adjuster. Provides consistent tension to help keep engine running in proper time

Crankshaft Gear

4.2L. S-series. 3.5 & 3.7L. 2.8 & 2.9L. Canyon, Colorado. Hummer H3. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors

All models. 4.2L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors

Tube

4.2L. 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

Oil Filter