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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Cylinder Head Gasket - GM (12589226) - Hummer (12589226) 12589226
Regular price $48.59 USDRegular priceUnit price / per$70.42 USDSale price $48.59 USDSale -
Camshaft Retainer - GM (12589016) - Hummer (12589016) 12589016
Regular price $25.39 USDRegular priceUnit price / per$36.79 USDSale price $25.39 USDSale -
Fuel Injection Throttle Control Actuator Module - GM (12588923) - Hummer (12588923) 12588923
Regular price $326.34 USDRegular priceUnit price / per$407.92 USDSale price $326.34 USDSale -
Engine Crankshaft - GM (12588614) - Hummer (12588614) 12588614
Regular price $344.90 USDRegular priceUnit price / per$431.12 USDSale price $344.90 USDSale -
Oil Pump Screen - GM (12588480) - Hummer (12588480) 12588480
Regular price $43.35 USDRegular priceUnit price / per$62.82 USDSale price $43.35 USDSale -
Balancer Chain Tensioner Assembly - GM (12588100) - Hummer (12588100) 12588100
Regular price $72.49 USDRegular priceUnit price / per$105.06 USDSale price $72.49 USDSale -
Engine Crankshaft Position Sensor - GM (12588097) - Hummer (12588097) 12588097
Regular price $64.90 USDRegular priceUnit price / per$94.06 USDSale price $64.90 USDSale -
Balancer Chain Guide - GM (12588053) - Hummer (12588053) 12588053
Regular price $40.81 USDRegular priceUnit price / per$59.14 USDSale price $40.81 USDSale -
Water Inlet Seal - GM (12587397) - Hummer (12587397) 12587397
Regular price $7.13 USDRegular priceUnit price / per$10.34 USDSale price $7.13 USDSale -
Engine Water Pump Inlet Tube - GM (12587395) - Hummer (12587395) 12587395
Regular price $11.54 USDRegular priceUnit price / per$16.72 USDSale price $11.54 USDSale -
Fuel Injector O-Ring Kit with Assorted O-Rings - GM (12587147) - Hummer (12587147) 12587147
Regular price $24.47 USDRegular priceUnit price / per$35.46 USDSale price $24.47 USDSale -
Balance Shaft - GM (12586895) - Hummer (12586895) 12586895
Regular price $140.71 USDRegular priceUnit price / per$175.89 USDSale price $140.71 USDSale -
Engine Intake Camshaft - GM (12586532) - Hummer (12586532) 12586532
Regular price $135.98 USDRegular priceUnit price / per$169.98 USDSale price $135.98 USDSale -
Camshaft Position Actuator - GM (12585994) - Hummer (12585994) 12585994
Regular price $200.83 USDRegular priceUnit price / per$251.04 USDSale price $200.83 USDSale -
Engine Piston - GM (12585784) - Hummer (12585784) 12585784
Regular price $17.28 USDRegular priceUnit price / per$25.05 USDSale price $17.28 USDSale -
Engine Front Cover Seal - GM (12585673) - Hummer (12585673) 12585673
Regular price $31.70 USDRegular priceUnit price / per$45.94 USDSale price $31.70 USDSale