2003 CHEVROLET SILVERADO 1500 HD Parts and Accessories

Spark Plug, Professional, Platinum Tip, Tapered Seat, 14mm Thread, Resistor, Each

Part Number: ADO-41-962

4.83 out of 5 stars ( 70 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Spark Plug, V-Power, Tapered Seat, 14mm Thread, .708 in. Reach, Projected Tip, Resistor, Each

Part Number: NGK-2238

5.0 out of 5 stars ( 19 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Engine Oil, Synthetic, 5W30, HPS Street, 1 qt., Each

Part Number: RPO-31530

4.79 out of 5 stars ( 62 )

Cannot be shipped Internationally if shipped by air

• Restricted

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 ( 5 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Engine Oil, Mobil 1, Synthetic, 5W30, 1 qt., Each

Part Number: MOB-124315-1

5.0 out of 5 stars ( 3 )

Cannot be shipped Internationally if shipped by air

• Restricted

Muffler U-Clamp, Exhaust Clamp, Heavy Duty, 2.5 in. Steel, Each

Part Number: WLK-35337

4.85 out of 5 stars ( 26 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Spark Plug, G-Power Platinum, Tapered Seat, 14mm Thread, .708 in. Reach, Projected Tip, Resistor, Each

Part Number: NGK-3186

4.93 out of 5 stars ( 28 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Rod Bearing, Standard Size, Tri Metal, AM General, Avanti, Buick, Chevy, GMC, Oldsmobile, L6, V8, Each

Part Number: SLP-2555CP

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Electric Fan Mounting Brackets, Nylon, Black, Kit

Part Number: FSS-53014

4.74 out of 5 stars ( 54 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Pushrod, Assembled, Steel, 5/16 in. Diameter, Ball Tips, 7.397 in. Overall Length, Avanti, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Pontiac, Each

Part Number: MEL-MPR-614

4.25 out of 5 stars ( 4 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Exhaust Clamp, U-Bolt, Steel, 3.000 in. Diameter, 3/8 in. Thread, Each

Part Number: WLK-35794

4.62 out of 5 stars ( 13 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Water Pump Gasket, GM Genuine Part, Rubber/Steel Core, Requires 2 Gaskets Per Engine, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Pontiac, Saab, Each

Part Number: ADO-251-663

4.79 out of 5 stars ( 19 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Power Steering Fluid, Max EZ, Performance Upgrade Conditioner, Synthetic, 12 oz., 153 Viscosity Index, Each

Part Number: RPO-01326

4.86 out of 5 stars ( 42 )

Cannot be shipped Internationally if shipped by air

• Restricted

Main Bolts, 6-Bolt Main, Inner Bolts, Chevy, 4.8, 5.3, 5.7, 6.0L, Each

Part Number: NAL-12560272

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Valve Cover Bolts, Steel, Chevy Small Block, L92, Each

Part Number: NAL-12577215

4.87 out of 5 stars ( 15 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Spark Plug, E3, Tapered Seat, 14mm Thread, 0.708 in. Reach, Projected Tip, Resistor, Each

Part Number: ETP-E3-54

4.59 out of 5 stars ( 98 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Oil Filter, Canister, AMC, Buick, Cadillac, Chevy, GMC, Hummer, Oldsmobile, Pontiac, Isuzu, Jeep, Saab, Each

Part Number: ADO-PF46E

4.73 out of 5 stars ( 11 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Engine Oil, HMX High Mileage, Synthetic, 5W30, Quart, Each

Part Number: RPO-11744

5.0 out of 5 stars ( 22 )

Cannot be shipped Internationally if shipped by air

• Restricted

Oil Galley Barbell Plug, Plastic, O-ring Included, Avanti, Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Pontiac, Saab, Small Block LS, Each

Part Number: MEL-MOGP-100

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Spark Plugs, Iridium TT, Tapered Seat, 14mm Thread, 18mm Reach, Resistor, Each

Part Number: DNP-4713

4.29 out of 5 stars ( 7 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Cylinder Head Dowel Pin, Chevy, Small Block, LS Engines, Each

Part Number: NAL-12570326

4.83 out of 5 stars ( 18 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Engine Oil, Mobil 1, Synthetic, 10W30, 1 qt., Each

Part Number: MOB-122319-1

5.0 out of 5 stars ( 1 )

Cannot be shipped Internationally if shipped by air

• Restricted

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 4/13/2026 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 4/13/2026 if shipped by air

Valve, Intake, 2.000 in. Diameter, 0.314 in. Stem, 4.869 in. Length, Avanti, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Pontiac, Small Block LS, Each

Part Number: MEL-V2000

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air