Engine Parts for 2026 GMC Sierra 2500 HD
GM Vibration Damper
2018-20, 2nd design. 5.3 & 6.2L. 6.6L gas. Express, savana. Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD. 4.3L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
GM Vibration Damper Bolt
6.6L gas. Without dry sump system. With supercharger. 6.2L supercharged. 2018-25 4.3L. 2016-19.
GM Timing Cover
Exc.Performance Package. 6.6L gas. 6.2L with supercharger. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors .
GM Cover Seal
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
GM Engine Crankshaft Seal, Rear
Tahoe, Yukon, Escalade. Escalade ESV. Express, savana. Suburban. Yukon XL. Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD. 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
GM Magnet
5.3 & 6.2L. Express, savana. 6.6L gas. Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD. 4.3L. Corvette. Helps ensure camshaft phasers are optimally positioned
GM Magnet Seal
4.3L. 5.3 & 6.2L. Camshaft Position Actuator Cover. 6.6L gas. Without dry sump system. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
GM Valve Cover Gasket, Left
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
GM Insulator Grommet, Left
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
GM Filler Tube
4.3L. 6.6L gas. 5.3 & 6.2L. Without dry sump system. 6.2L without supercharger. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
GM Filler Tube Seal
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors .
GM Level Indicator
Incl.Seal. 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
GM Oil Deflector
5.3 & 6.2L. 6.6L gas. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
GM Dipstick
5.3 & 6.2L. 6.6L gas. Silverado, sierra. 3.0L diesel. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors .
GM Dipstick Seal
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
GM Intake Manifold
Escalade ESV. Yukon XL. 6.2l. 5.3 & 6.2L, 6.2L. Silverado, Sierra 2500 HD. Gas. Silverado, sierra. 6.2l. Silverado, Sierra 3500 HD. Tahoe. 6.2l. Suburban. 6.2l. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
GM Intake Manifold Gasket
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
