Collection: Hummer OEM Parts
Find genuine Hummer OEM parts at OEM Parts Department. Whether you own a classic H2 or H3, our catalog includes factory-original replacement parts engineered to the manufacturer's exact specifications. From drivetrain and suspension components to body panels and electrical systems.
Keep your Hummer running with the same quality parts it was built with. Our fitment tool helps you find the right part for your specific model and year.
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Exhaust Manifold Gasket - GM (12592248) - Hummer (12592248) 12592248
Regular price $11.64 USDRegular priceUnit price / per$16.87 USDSale price $11.64 USDSale -
Valve Cover - GM (12591996) - Hummer (12591996) 12591996
Regular price $220.32 USDRegular priceUnit price / per$275.40 USDSale price $220.32 USDSale -
Engine Camshaft Position Sensor - GM (12591720) - Hummer (12591720) 12591720
Regular price $68.68 USDRegular priceUnit price / per$99.54 USDSale price $68.68 USDSale -
Rubber Grommet with 32 mm Diameter, Round Top, and Tapered Bottom - GM (12591715) - Hummer (12591715) 12591715
Regular price $4.57 USDRegular priceUnit price / per$6.62 USDSale price $4.57 USDSale -
Camshaft Sprocket - GM (12591689) - Hummer (12591689) 12591689
Regular price $25.23 USDRegular priceUnit price / per$36.57 USDSale price $25.23 USDSale -
Camshaft Cover Gasket Kit - GM (12591633) - Hummer (12591633) 12591633
Regular price $40.81 USDRegular priceUnit price / per$60.01 USDSale price $40.81 USDSale -
Air Conditioning Drive Belt Idler Pulley with Bracket - GM (12590963) - Hummer (12590963) 12590963
Regular price $39.47 USDRegular priceUnit price / per$57.20 USDSale price $39.47 USDSale -
Engine Timing Chain Guide - GM (12590962) - Hummer (12590962) 12590962
Regular price $28.99 USDRegular priceUnit price / per$42.01 USDSale price $28.99 USDSale -
Engine Oil Dipstick Tube - GM (12590590) - Hummer (12590590) 12590590
Regular price $36.02 USDRegular priceUnit price / per$52.20 USDSale price $36.02 USDSale -
Label - GM (12590031) - Hummer (12590031) 12590031
Regular price $5.83 USDRegular priceUnit price / per$8.45 USDSale price $5.83 USDSale -
Ignition Knock (Detonation) Sensor - GM (12589867) - Hummer (12589867) 12589867
Regular price $90.43 USDRegular priceUnit price / per$131.06 USDSale price $90.43 USDSale -
Camshaft Phaser - GM (12589782) - Hummer (12589782) 12589782
Regular price $203.48 USDRegular priceUnit price / per$254.35 USDSale price $203.48 USDSale -
Multi-Port Fuel Injector Kit with Fuel Injector, Seals, and Retainer - GM (12589465) - Hummer (12589465) 12589465
Regular price $145.25 USDRegular priceUnit price / per$181.56 USDSale price $145.25 USDSale -
Heated Oxygen Sensor - GM (12589321) - Hummer (12589321) 12589321
Regular price $99.50 USDRegular priceUnit price / per$144.20 USDSale price $99.50 USDSale -
Fuel Injection Throttle Body Seal - GM (12589235) - Hummer (12589235) 12589235
Regular price $34.91 USDRegular priceUnit price / per$50.60 USDSale price $34.91 USDSale -
Cylinder Head Gasket - GM (12589227) - Hummer (12589227) 12589227
Regular price $62.44 USDRegular priceUnit price / per$90.49 USDSale price $62.44 USDSale