HUMMER H3 Camshafts & Valvetrain

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 1/19/2026

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 1/19/2026

Valve, Exhaust, OEM Replacement, 1.55 in. Diameter, .313 in. Stem, 4.920 in. Length, GM/Chevy, GenIII/IV LS, Each

Part Number: MEL-V1935

4.67 out of 5 stars ( 6 )

Estimated Ship Date: Monday 1/19/2026

Timing Chain, Single Roller, Buick,Cadillac, Chevy, GMC, Izuzu, Hummer, Pontiac, SAAB, Each

Part Number: MEL-3SRH60

Not Yet Reviewed

Estimated Ship Date: Monday 1/19/2026

Lifters, Hydraulic Lash Adjuster, Buick, Cadillac, Chevy, Ford, GMC, Hummer, Isuzu, Lexus, Oldsmobile, Pontiac, Saab, Saturn, Suzuki, Toyota, Each

Part Number: MEL-JB-7524

Not Yet Reviewed

Estimated Ship Date: Monday 1/19/2026

Valves, GM Genuine Parts Engine Valves, Intake, Steel, 4.812 in. Overall Length, Buick, Cadillac, Chevrolet, GMC, Hummer, Saab, Each

Part Number: ADO-12627971

Not Yet Reviewed

Estimated Ship Date: Monday 1/19/2026

Camshaft Thrust Bearing, Needle Bearing, Steel, Chevy, LS, Each

Part Number: CLO-9-232

Not Yet Reviewed

Estimated Ship Date: Monday 1/19/2026

Valve Spring, Single, 1.250 in. Diameter, Chevy, Buick, Cadillac, GMC, Hummer, Pontiac, Isuzu, Saab, Each

Part Number: MEL-VS-2257

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 1/19/2026

Rocker Arm Trunnion, Chevy, Each

Part Number: CCA-137021

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 1/19/2026

VALVE TRAIN SET UP SPRING

Part Number: MEL-VTSS100

Not Yet Reviewed

Estimated Ship Date: Feb 11, 2026 if ordered today

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• Special Order

SPROCKET

Part Number: MEL-S827

Not Yet Reviewed

Estimated Ship Date: Monday 1/19/2026

ENGINE TIMING CHAIN GUIDE

Part Number: CLO-9-5510

Not Yet Reviewed

Estimated Ship Date: Feb 2, 2026 if ordered today

• Drop Ship
• Special Order