2003 Engines & Components

Piston Rings, ACDelco GM Genuine Parts Piston Rings, 3.400 in. Bore, 1.2mm, 1.5mm, Ring Thickness, Chevy, Oldsmobile, Pontiac, Saturn, Sold as 1 Set

Part Number: ADO-21018813

Not Yet Reviewed

Estimated Ship Date: Dec 10, 2025 if ordered today

• $20.00 Summit Bucks
• Special Order

GUIDE ASM-TMG CHAIN

Part Number: ADO-24577380

Not Yet Reviewed

Estimated Ship Date: Dec 10, 2025 if ordered today

• $20.00 Summit Bucks
• Special Order

SHOE KIT,TMG CHAIN TENSR

Part Number: ADO-12559389

Not Yet Reviewed

Estimated Ship Date: Dec 10, 2025 if ordered today

• $20.00 Summit Bucks
• Special Order

ROD,CONN (MCHG W/ CAP)

Part Number: ADO-12574879

Not Yet Reviewed

Estimated Ship Date: Dec 10, 2025 if ordered today

• $20.00 Summit Bucks
• Special Order

GUIDE,TMG CHAIN

Part Number: ADO-12575159

Not Yet Reviewed

Estimated Ship Date: Dec 10, 2025 if ordered today

• $20.00 Summit Bucks
• Special Order

PISTON,(W/PIN)

Part Number: ADO-88984245

Not Yet Reviewed

Estimated Ship Date: Dec 10, 2025 if ordered today

• Free Shipping
• $20.00 Summit Bucks
• Special Order

COVER KIT,ENG FRT

Part Number: ADO-89017259

Not Yet Reviewed

Estimated Ship Date: Dec 10, 2025 if ordered today

• $20.00 Summit Bucks
• Special Order

Timing Chain Dampener, Plastic, Black, Spring Loaded, Buick, Chevrolet, Oldsmobile, Pontiac, Each

Part Number: ADO-24503893

Not Yet Reviewed

Estimated Ship Date: Dec 10, 2025 if ordered today

• $20.00 Summit Bucks
• Special Order

Solenoid, VVT, Engine Variable Valve Timing, Chevrolet, GMC, Hummer, Isuzu, Oldsmobile, Each

Part Number: ADO-12615873

Not Yet Reviewed

• Free Shipping
• $20.00 Summit Bucks
• Special Order

Engine Balance Shaft Chain Tensioner

Part Number: ADO-90537300

Not Yet Reviewed

Estimated Ship Date: Dec 10, 2025 if ordered today

• $20.00 Summit Bucks
• Special Order

VALVE,INT

Part Number: ADO-12564494

Not Yet Reviewed

Estimated Ship Date: Dec 10, 2025 if ordered today

• $20.00 Summit Bucks
• Special Order

SCREEN ASM-O/PMP (W/ SUC PIPE)

Part Number: ADO-12565692

Not Yet Reviewed

Estimated Ship Date: Dec 10, 2025 if ordered today

• $20.00 Summit Bucks
• Special Order

TUBE ASM-OIL LVL IND

Part Number: ADO-12567172

Not Yet Reviewed

Estimated Ship Date: Dec 10, 2025 if ordered today

• $20.00 Summit Bucks
• Special Order

Engine Timing Chain Guide, Engine Timing Chain Guide, SHOE,TMG CHAIN TENSR

Part Number: ADO-12568766

Not Yet Reviewed

Estimated Ship Date: Dec 10, 2025 if ordered today

• $20.00 Summit Bucks
• Special Order

GUIDE ASM-TMG CHAIN

Part Number: ADO-12588387

Not Yet Reviewed

Estimated Ship Date: Dec 10, 2025 if ordered today

• $20.00 Summit Bucks
• Special Order

Pistons, GM Genuine Parts Pistons, 3.350 in. Bore, 1.2 mm 1.5 mm 2.5 mm Ring Thickness, Chevy, Oldsmobile, Pontiac, Saturn, Each

Part Number: ADO-12591087

Not Yet Reviewed

Estimated Ship Date: Dec 10, 2025 if ordered today

• $20.00 Summit Bucks
• Special Order

Piston, Assembled, 3.935 in. Bore, Stock Stroke, Dish with Four Valve Reliefs, Cast Aluminum, with Press-Fit Wrist Pin, Chevy, GMC, Each

Part Number: ADO-88894280

Not Yet Reviewed

Estimated Ship Date: Dec 10, 2025 if ordered today

• Free Shipping
• $20.00 Summit Bucks
• Special Order

Engine Cylinder Head Bolt, Engine Cylinder Head Bolt, BOLT,CYL HD

Part Number: ADO-11588291

Not Yet Reviewed

Estimated Ship Date: Dec 10, 2025 if ordered today

• $20.00 Summit Bucks
• Special Order

Cylinder Head Fasteners, OE Replacement, Bolt Style, Hex Head, M11 x 2.0 Thread, Steel, Natural, Buick, Chevrolet, GMC, Hummer, Isuzu, Olds, Each

Part Number: ADO-11609709

Not Yet Reviewed

Estimated Ship Date: Dec 10, 2025 if ordered today

• $20.00 Summit Bucks
• Special Order

Idler Pulleys, Professional, Serpentine, Plastic, Black, Buick, Cadillac, Chevy, Dodge, Ford, GMC, Lincoln, Mercury, Oldsmobile, Pontiac, Each

Part Number: ADO-15-20674

Not Yet Reviewed

Estimated Ship Date: Dec 10, 2025 if ordered today

• $20.00 Summit Bucks
• Special Order

Idler Pulleys, Gold, Smooth Style, Audi, Chevrolet, Ford, Mercury, Each

Part Number: ADO-15-20675

Not Yet Reviewed

Estimated Ship Date: Dec 10, 2025 if ordered today

• $20.00 Summit Bucks
• Special Order

Tensioner, Timing Chain, Buick, Chevrolet, GMC, Hummer, Isuzu, Oldsmobile, Saab, Each

Part Number: ADO-12598504

Not Yet Reviewed

Estimated Ship Date: Dec 10, 2025 if ordered today

• $20.00 Summit Bucks
• Special Order

Engine Timing Cover Bolt, Engine Timing Cover Bolt, BOLT - HVY HX ACORN FLG HD

Part Number: ADO-11588733

Not Yet Reviewed

Estimated Ship Date: Dec 10, 2025 if ordered today

• $20.00 Summit Bucks
• Special Order

Crankshaft Pulley, GM Genuine Part, Serpentine, 6-groove, Steel, Black, Chevrolet, GMC, Each

Part Number: ADO-10141920

Not Yet Reviewed

Estimated Ship Date: Dec 10, 2025 if ordered today

• $20.00 Summit Bucks
• Special Order

Engine Oil Cooler Adapter

Part Number: ADO-19129788

Not Yet Reviewed

Estimated Ship Date: Dec 10, 2025 if ordered today

• Free Shipping
• $20.00 Summit Bucks
• Special Order