HUMMER H3 ACDelco Engines & Components

Valve Lifter Guide, Plastic, Hydraulic Roller, Non-AFM/DOD, Chevrolet, LS, Each

Part Number: ADO-12595365

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

Harmonic Balancer, 7.710 in. Diameter, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Saab, Each

Part Number: ADO-19300488

5.0 out of 5 stars ( 13 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

• Free Shipping

Harmonic Balancer Bolt, Steel, Flanged Hex, Coarse Thread, Natural, Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Pontiac, Saab, Each

Part Number: ADO-12557840

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

Lifters, GM Genuine Parts, Hydraulic Roller Style, Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Oldsmobile, Pontiac, Saab, Each

Part Number: ADO-12698945

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

Timing Cover, Aluminum, Natural, Chevy, LS, Each

Part Number: ADO-12600326

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

Valve Cover Assembly, Left side, New Design, 09' Prior

Part Number: ADO-12570427

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

• Free Shipping

Rocker Arms, GM Genuine Parts, Roller Fulcrum, Pedestal, 1.7 Ratio, Steel, Exhaust Side, Buick, Cadillac, Chevrolet, GMC, Hummer, Pontiac, Saab, Each

Part Number: ADO-12681275

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

Camshaft Thrust Plates, GM Genuine Parts, Solid Type, Steel, Chevrolet, Each

Part Number: ADO-12589016

3.25 out of 5 stars ( 4 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

Drive Belt Tensioner Assembly

Part Number: ADO-38158

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

Windage Trays, GM Genuine Parts, Louvered, Rear Sump, Steel, Natural, Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Pontiac, Saab, Each

Part Number: ADO-12611129

Not Yet Reviewed

Estimated Ship Date: Monday 3/9/2026 if shipped by air

Connecting Rods, GM Genuine Parts, I-beam Style, Steel, 6.098 in. Length Center To Center, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Saab, Each

Part Number: ADO-12649190

Not Yet Reviewed

Estimated Ship Date: Monday 3/9/2026 if shipped by air

• Free Shipping

Oil Filter, Canister, Buick, Cadillac, Chevy, GMC, Pontiac, Chrysler, Dodge, Ram, Jeep, Saab, Saturn, Suzuki

Part Number: ADO-PF48

4.88 out of 5 stars ( 8 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

Idler Pulleys, GM OE, Serpentine, Steel, Black, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Saab, Each

Part Number: ADO-12669569

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

Bolt, GM Genuine Parts Replacement Bolt, Hex Head Flange, M8 x 1.25, 0.900 in. Underhead Length, Grade 10.9, Steel, Gray, Each

Part Number: ADO-12556127

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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

Part Number: ADO-12642655

Not Yet Reviewed

Estimated Ship Date: Monday 3/9/2026 if shipped by air

Serpentine Belt Drive Component Kit, Belt, Tensioner, Idler, Cadillac, Chevrolet, GMC. Kit

Part Number: ADO-ACK060935HD

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

• Free Shipping

Engine Oil Pump, LS High Volume Oil Pump, Fits Engines with Active Fuel Management (AFM), Each

Part Number: ADO-12710304

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

• Free Shipping

Tensioner, Timing Chain, Chevy, LS, Each

Part Number: ADO-12626407

5.0 out of 5 stars ( 8 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

Engine Valve Spring, Standard, Replacement, Single, Buick, Cadillac, Chevrolet, GMC, Isuzu, Pontiac, Saab, LS Engine, Each

Part Number: ADO-12706568

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

Lifter, Hydraulic Roller, Chevy, GMC, Each

Part Number: ADO-12721203

Not Yet Reviewed

Estimated Ship Date: Monday 3/9/2026 if shipped by air

• Free Shipping

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 3/9/2026 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 3/9/2026 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 3/9/2026 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 3/9/2026 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 3/9/2026 if shipped by air