HUMMER Parts and Accessories

Head Gasket, MLS, 4.100 in. Bore, .070 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5489-070

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Sensor, Engine Oil, Stock Replacement, Steel/Black, Silver, Black, Buick, Cadillac, Chevrolet, GMC, Hummer, Pontiac, Each

Part Number: RNB-926-040

3.88 out of 5 stars ( 8 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Exhaust Manifold and Header Gaskets, Multi-Layer Steel, Round Port, Chevrolet, GM, LS, Includes EGR and Air Injection Gaskets, Set

Part Number: SUM-110445

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Exhaust Gaskets, Header and Manifold Gaskets, Round Port, Graphite, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Pontiac, Saab, LS, Pair

Part Number: RFL-2049

4.67 out of 5 stars ( 18 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Clutch Select Valve and TCC Regulator Valve kit GM 6L45, 6L50, 6L80, and 6L90

Part Number: TRG-6L8CSTCC

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Bearing, Pinion, 1.625 in. Inside Diameter, Each

Part Number: TMK-M802048

4.67 out of 5 stars ( 30 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Spark Plug Wires, 88 Series, Street / Strip, 8.5mm, Black, 50 Ohm, 9" Leads, OEM Spark Plug Boots That Accept Heat Shields, LS, V8, Set

Part Number: SUM-887828

4.42 out of 5 stars ( 26 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Steering Box, Power Assist, Chevy, GMC, Hummer, Each

Part Number: LSC-11421

3.67 out of 5 stars ( 6 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Throttle Body, Powr-Flo, Aluminum, Natural, Buick, Cadillac, Chevrolet, GMC, Each

Part Number: JET-76100

4.39 out of 5 stars ( 36 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Gear, Ring and Pinion, 3.23:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, 3 Series, Set

Part Number: RMG-4900191

4.25 out of 5 stars ( 8 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Oxygen Sensor, OE Style, Heated, Thread-In Mounting, Buick, Cadillac, Chevrolet, GMC, Hummer, Each

Part Number: DNP-234-4337

4.2 out of 5 stars ( 5 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Pitman Arm, Each

Part Number: MOG-K6654HD

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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• $20 Summit Bucks

Gasket, Fuel Pump, Composite, Chevy/Ford, Each

Part Number: FEL-6579

4.87 out of 5 stars ( 53 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Pinion Bearing Spacer, Crush Sleeve Eliminator, Steel, Chrysler 9.25 in., GM 8.5 in., Each

Part Number: YGA-55048

4.85 out of 5 stars ( 26 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Ball Joint, Upper, Chevy, GMC/Hummer, Each

Part Number: MOG-K6696

4.6 out of 5 stars ( 10 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

• $20 Summit Bucks

Drive Belt Tensioner Assembly

Part Number: ADO-38158

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Starter, Ultra Duty Diesel, Full Size, Chevy, GMC, Hummer, 6.6L Diesel, Each

Part Number: PWM-9057

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Gear, Ring and Pinion, 3.73:1 Ratio, GM, 7.5 in./7.625 in., 3 Series, Set

Part Number: MGR-G875373

4.45 out of 5 stars ( 11 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Piston Rings, Plasma-moly, 4.000 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: MAH-41858CP

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Timing Chain Dampener Brackets, Steel, Black, Chain Damper, Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Pontiac, Saab, Small Block LS, Kit

Part Number: MEL-BD417-DBRKT

3.58 out of 5 stars ( 12 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Axle C-Clip, 1.550 in. O.D,, 0.800 in. I.D., 0.150 in. Thick, Steel, Natural Finish, Each

Part Number: YGA-33083

4.89 out of 5 stars ( 38 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Head Gasket, MLS, 4.100 in. Bore, .080 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5489-080

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Alternators and Generators, Elite Series Alternators, 12 V, 250 amps, Internal Regulator, Serpentine Pulley, Buick, Chevy, GMC, Hummer, Olds, Each

Part Number: MEH-8206250

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Rocker Arms, PQx Platinum Series Shaft-Mount, Full Roller, Aluminum, Black Anodized, 1.7 Ratio, Chevy, Kit

Part Number: PQX-3536431

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Flexplate Bolt, Steel, 11mm x 1.5, 0.800 in. UHL, Chevy, Gen III/IV, LS Series, Automatic Transmission only, Each

Part Number: NAL-11569956

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air