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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Upper Engine Intake Manifold Sight Shield Retainer - GM (12561510) - Hummer (12561510) 12561510
Regular price $5.15 USDRegular priceUnit price / per$7.47 USDSale price $5.15 USDSale -
Engine Coolant Seal - GM (12561155) - Hummer (12561155) 12561155
Regular price $24.21 USDRegular priceUnit price / per$35.08 USDSale price $24.21 USDSale -
Engine Cylinder Head Bolt - GM (12560745) - Hummer (12560745) 12560745
Regular price $4.33 USDRegular priceUnit price / per$6.28 USDSale price $4.33 USDSale -
Crankshaft Bearing Cap Stud - GM (12560273) - Hummer (12560273) 12560273
Regular price $9.11 USDRegular priceUnit price / per$13.20 USDSale price $9.11 USDSale -
M10x2x102.5.5 Crankshaft Bearing Cap Bolt - GM (12560272) - Hummer (12560272) 12560272
Regular price $5.10 USDRegular priceUnit price / per$7.39 USDSale price $5.10 USDSale -
Engine Crankshaft Position Sensor - GM (12560228) - Hummer (12560228) 12560228
Regular price $81.06 USDRegular priceUnit price / per$117.48 USDSale price $81.06 USDSale -
Vapor Canister Vent Valve - GM (12559015) - Hummer (12559015) 12559015
Regular price $30.59 USDRegular priceUnit price / per$44.34 USDSale price $30.59 USDSale -
M8x1.25x45 Engine Cylinder Head Bolt - GM (12558840) - Hummer (12558840) 12558840
Regular price $4.11 USDRegular priceUnit price / per$5.95 USDSale price $4.11 USDSale -
Engine Block Valley Cover Gasket - GM (12558178) - Hummer (12558178) 12558178
Regular price $29.94 USDRegular priceUnit price / per$43.39 USDSale price $29.94 USDSale -
Vibration Damper Bolt - GM (12557840) - Hummer (12557840) 12557840
Regular price $6.35 USDRegular priceUnit price / per$9.21 USDSale price $6.35 USDSale -
Manual Transmission Clutch Pilot Bearing - GM (12557583) - Hummer (12557583) 12557583
Regular price $16.92 USDRegular priceUnit price / per$24.52 USDSale price $16.92 USDSale -
Pulley - GM (12556733) - Hummer (12556733) 12556733
Regular price $16.22 USDRegular priceUnit price / per$23.51 USDSale price $16.22 USDSale -
Engine Timing Crankshaft Sprocket - GM (12556582) - Hummer (12556582) 12556582
Regular price $32.70 USDRegular priceUnit price / per$47.39 USDSale price $32.70 USDSale -
Camshaft Sprocket Bolt (not shown) - GM (12556127) - Hummer (12556127) 12556127
Regular price $3.59 USDRegular priceUnit price / per$5.21 USDSale price $3.59 USDSale -
Power Steering Pump Brace - GM (12554032) - Hummer (12554032) 12554032
Regular price $14.05 USDRegular priceUnit price / per$20.36 USDSale price $14.05 USDSale -
Alternator and Power Steering Pump Bracket - GM (12554030) - Hummer (12554030) 12554030
Regular price $101.02 USDRegular priceUnit price / per$146.40 USDSale price $101.02 USDSale