HUMMER H3 ACDelco Parts and Accessories

Spark Plug Boot Protector, Heat Shield, 500 degrees F, Snap-on, Buick, Cadillac, Chevy, GMC, Pontiac, Each

Part Number: ADO-8006

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

Clutch Housing, Automatic Transmission Direct Clutch Housing, Chevrolet, GMC, Each

Part Number: ADO-24245624

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

• Free Shipping

Switch, Neutral Safety And Backup Light, Steel/Plastic, Each

Part Number: ADO-D2257C

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

Idler Pulleys, Professional, Serpentine, Steel, Black, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Saab, Workhorse, Workhorse Custom Chassis, Each

Part Number: ADO-36299

Not Yet Reviewed

Estimated Ship Date: Monday 3/16/2026 if shipped by air

Accessory Belts, V-Ribbed Serpentine Belts, 6-rib, 0.807 in. Width, 93.98 in. Length, Cadillac, Chevy, Ford, GMC, Hummer, Mercedes-Benz, Mercury, Each

Part Number: ADO-K060935HD

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

Accessory Belt Tensioner, Serpentine, 6-rib, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Saab, Each

Part Number: ADO-12609719

4.83 out of 5 stars ( 6 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

Oxygen Sensor, 4-wire, Cadillac, Chevy, GMC, Hummer, Each

Part Number: ADO-213-3533

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

Rear Main Seal Cover Gasket, Rubber/Aluminum, Chevy, 4.8L, 5.3L, 5.7L, 6.0L, Each

Part Number: ADO-12639249

Not Yet Reviewed

Estimated Ship Date: Monday 3/16/2026 if shipped by air

Horn, OE Replacement, Low Tone, 12 V, Buick, Cadillac, Chevy, GMC, Kit

Part Number: ADO-84594590

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

Valve Covers, Replacement, Stock, Baffled, Cast Aluminum, Natural, Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Pontiac, Saab, Each

Part Number: ADO-12582224

Not Yet Reviewed

Estimated Ship Date: Monday 3/16/2026 if shipped by air

Coil Bracket, Steel, Black, Coil Pack, Each

Part Number: ADO-12580353

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

Oil Galley Plug, Chevy, Small Block Gen III, Each

Part Number: ADO-12573460

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

Spark Plug Wire Sets, Assembled, Spiral Core, 7.00mm Diameter, Red Wire, Buick, Cadillac, Chevrolet, Pontiac, Hummer, GMC, Saab, For GM LS, Set

Part Number: ADO-19417612

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

Spark Plug Wires, Assembled, 7mm, Spiral Core, Black, Cadillac, Chevy, GMC, Hummer, Saab, Small Block LS, Set

Part Number: ADO-748UU

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

Automatic Transmission Oil Pump Rotor Kit, 4L60, 4L65, 4L70, Kit

Part Number: ADO-24219539

Not Yet Reviewed

Estimated Ship Date: Monday 3/16/2026 if shipped by air

Fuel Rail, Complete Assembly, GM, V8, Vortec, Each

Part Number: ADO-12660709

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

• Free Shipping

Oil Pan Drain Plugs, GM Genuine Parts, Plug Style, Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Olds, Pontiac, Saab, Saturn, Suzuki, Each

Part Number: ADO-11562588

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

Lifter, Hydraulic Roller, Chevy, GMC, Each

Part Number: ADO-12721203

Not Yet Reviewed

Estimated Ship Date: Monday 3/16/2026 if shipped by air

• Free Shipping

Wiring Connector, GM 19368859, Cadillac, CTS, Gray Plastic, Each

Part Number: ADO-PT3846

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

Fuel Injector O-Rings, Rubber, 8 Fuel Rail O-rings, 8 Fuel Injector O-rings, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Olds, Pontiac, Saturn, Kit

Part Number: ADO-217-1588

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

COIL ASM-IGN

Part Number: ADO-12739916

Not Yet Reviewed

Estimated Ship Date: Monday 3/16/2026 if shipped by air

Engine Coolant Plug Fasteners, GM Genuine Parts, Bolt Style, Hex Head, M12 x 1.5 Thread Size, Steel, Buick, Cadillac, Chevy, GMC, Isuzu, Saturn, Each

Part Number: ADO-11610259

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

Bolt, GM Genuine Parts Replacement, Flanged Hex Head, M6 x 1.0 Thread, Steel, Zinc Color, 0.750 in. Underhead Length, Buick, Chevy, GMC, Saab, Each

Part Number: ADO-12551163

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

Automatic Transmission Torque Converter Seal, Rubber, Buick, Pontiac, Each

Part Number: ADO-24202535

5.0 out of 5 stars ( 7 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

Rocker Arm Shaft Support, GM Genuine Part, Aluminum, Natural, Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Pontiac, Saab, Each

Part Number: ADO-12552203

Not Yet Reviewed

Estimated Ship Date: Monday 3/16/2026 if shipped by air