Engines & Components

Pushrods, Valvetrain, GM Genuine Parts Pushrods, 5/16 in. Diameter, 5.807 in. Length, Buick Chevy, Pontiac, Saturn, Each

Part Number: ADO-12577692

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

• $20 Summit Bucks
• Special Order

Harmonic Balancer, GM OE, Not SFI-Approved, Chevy, GMC, Isuzu, Each

Part Number: ADO-12578072

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

• $20 Summit Bucks
• Special Order

Oil Pump Pickups, GM Genuine Parts, Stock Oil Pan Style, Buick, Chevrolet, GMC, Pontiac, Saturn, Each

Part Number: ADO-12578195

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

• $20 Summit Bucks
• Special Order

Timing Chain Tensioners, Replacement, Buick, Cadillac, Oldsmobile, Pontiac, Each

Part Number: ADO-12581223

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

• $20 Summit Bucks
• Special Order

BALANCER ASM,CR/SHF

Part Number: ADO-12583151

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

• $20 Summit Bucks
• Special Order

INDICATOR ASM-OIL LVL

Part Number: ADO-12584737

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

• $20 Summit Bucks
• Special Order

PIN-CR/SHF SPKT LOC

Part Number: ADO-12585420

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

• $20 Summit Bucks
• Special Order

Accessory Belt Tensioner, Smooth Pulley, Cadillac, Pontiac, Saturn, Each

Part Number: ADO-12585551

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

• $20 Summit Bucks
• Special Order

Valve Covers, Replacement, Stock, Baffled, Black, Buick, Cadillac, 4.6L, Each

Part Number: ADO-12588112

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

• Free Shipping
• $20 Summit Bucks
• Special Order

SPROCKET,CR/SHF

Part Number: ADO-10128346

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

• $20 Summit Bucks
• Special Order

Pistons, GM Genuine Parts Pistons, 3.465 in. Bore, 1.2 mm, 1.5 mm, 2.5 mm Ring Thickness, Chevy, GMC, Buick, Cadillac, Each

Part Number: ADO-12652807

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

• $20 Summit Bucks
• Special Order

Piston Rings, GM Genuine Parts Piston Rings, 3.711 in. Bore, 1.0 mm, 1.2 mm, 1.5 mm Ring Thickness, Chevy, Cadillac, Buick, GMC, Sold as 1 Set

Part Number: ADO-12654440

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

• $20 Summit Bucks
• Special Order

Pistons, GM Genuine Parts, 3.780 in. Bore, Cast Aluminum, Dome, Stock Stroke, Chevrolet, GMC, 5.3L, Each

Part Number: ADO-12656877

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

• $20 Summit Bucks
• Special Order

Pistons, GM Genuine Parts Pistons, 3.921 in. Bore, 1.2 mm, 1.5 mm, 2.5 mm Ring Thickness, Passenger Side, Chevy, GMC, Each

Part Number: ADO-12656878

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

• $20 Summit Bucks
• Special Order

VALVE-EXH

Part Number: ADO-12657044

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

• $20 Summit Bucks
• Special Order

Valves, GM Genuine Parts Engine Valves, Intake, Steel, 3.772 in. Overall Length, Buick, Cadillac, Chevrolet, GMC, Each

Part Number: ADO-12662527

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

• $20 Summit Bucks
• Special Order

BEARING,CM/SHF

Part Number: ADO-12507947

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

• $20 Summit Bucks
• Special Order

HEAD ASM-CYL (MCHG)

Part Number: ADO-12578243

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

• Free Shipping
• $20 Summit Bucks
• Special Order

CAMSHAFT ASM

Part Number: ADO-12593206

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

• Free Shipping
• $20 Summit Bucks
• Special Order

TUBE ASM-OIL LVL IND

Part Number: ADO-12603193

Not Yet Reviewed

• $20 Summit Bucks
• Special Order

BRACKET ASM-P/S PUMP

Part Number: ADO-12611591

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

• $20 Summit Bucks
• Special Order

INSULATOR,CM/SHF CVR BOLT

Part Number: ADO-12615912

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

• $20 Summit Bucks
• Special Order

Engine Camshaft, Engine Camshaft

Part Number: ADO-12619823

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

• Free Shipping
• $20 Summit Bucks
• Special Order

BEARING-CR/SHF LWR *GREEN

Part Number: ADO-12625405

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

• $20 Summit Bucks
• Special Order

PULLEY-P/S PUMP

Part Number: ADO-12625446

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

• $20 Summit Bucks
• Special Order