2003 CHEVROLET SILVERADO 1500 HD Parts and Accessories

Throttle Bodies, GM Genuine Parts Fuel Injection Throttle Bodies, MPI, Cast Aluminum, 75.00mm Venturi Diameter, Buick, Cadillac, Chevy, GMC, Each

Part Number: ADO-19420713

5.0 out of 5 stars ( 9 )

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

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Shocks and Struts, Street Performance Shocks, Lowered Ride Height, 5.00-7.00 in. Lowered Range, Twin-tube, Gas-charged, Rear, Chevrolet, GMC, Each

Part Number: BEL-2210FF

4.9 out of 5 stars ( 30 )

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

Sensor, Coolant Temperature, Brass, Natural, Each

Part Number: ADO-213-4514

4.94 out of 5 stars ( 16 )

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

Ring and Pinion Gears, 3.42:1 Ratio, 30-spline, Standard Rotation, GM 8.5 in., GM 8.6 in., Set

Part Number: MGR-GM10-342A

4.41 out of 5 stars ( 17 )

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

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Rocker Arm, Full Roller, Pedestal Mounting Style, Steel, Natural, Avanti, Buick, Cadillac, Chevy, GMC, Isuzu, Pontiac, Saab, Small Block LS, Each

Part Number: MEL-MR1341

4.8 out of 5 stars ( 5 )

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

Rod Bearings, Tri-metal, Copper Lead Nickel, .001 in. Extra Oil Clearance, Large Journal, Chevy, Small Block, Set of 8

Part Number: KGB-CR807XPNSTDX

3.33 out of 5 stars ( 3 )

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

Radiator, Exact Fit, Aluminum, Plastic, Cadillac, Cadillac, Hummer, Chevy, GMC, LS, Each w/o Oil cooler

Part Number: SUM-380536

4.11 out of 5 stars ( 9 )

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

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Timing Chain and Gear Set, Single Roller, Steel Cam Gear, Steel Crank Gear, Avanti, Buick, Cadillac, Chevy, GMC, Hummer, Saab, Small Block LS, Set

Part Number: MEL-3-3SRH60SA

4.04 out of 5 stars ( 23 )

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

Radiator, Aluminum, 3-Row, Polished, Crossflow, Chevy, GMC, Each

Part Number: FBR-FB288

3.08 out of 5 stars ( 13 )

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

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Computer Programmer, Trinity 2 EX Platinum Performance, Competition Use Only, Buick, Cadillac, Chevy, GMC, Hummer, Pontiac, Each

Part Number: DBL-9245

3.67 out of 5 stars ( 24 )

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

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Alternators and Generators, Elite Series Alternators, 12 V, 250 amps, Black, Serpentine Pulley, Buick, Chevy, GMC, Hummer, Olds, Pontiac, Each

Part Number: MEH-8206250B

5.0 out of 5 stars ( 3 )

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

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Harmonic Balancer, OEM Replacement, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Saab, 4.8, 5.3, 6.0, 6.2L

Part Number: PBB-PB1190N

4.83 out of 5 stars ( 6 )

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

Fuel Injectors, 550 cc/min., 52 lb/hr., Chevy, Small Block LS, Set of 8

Part Number: DWK-16ULS05508

5.0 out of 5 stars ( 1 )

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

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• $20 Summit Bucks

Starter, PowerMAX Plus, Mini Hitachi, Standard Rotation, 1.9 HP, 170 ft. lbs. Torque, Black/Natural, Chevy, GMC, LS, Each

Part Number: PWM-9009

4.11 out of 5 stars ( 9 )

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

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Rod Bearings, Race Series, Tri-Metal, Chevrolet, Small Block, LS, Set of 8

Part Number: PEB-8B663H-STD

Not Yet Reviewed

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

Rear Main Seals, Original, One-piece, Viton®, Chevy, Small Block LS, Each

Part Number: MAH-JV1657

4.8 out of 5 stars ( 10 )

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

Fuel Injectors, 700 cc/min., 67 lb/hr., Chevy, Small Block LS, Set of 8

Part Number: DWK-16ULS07008

Not Yet Reviewed

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

• Free Shipping
• $20 Summit Bucks

Knock Sensors, Wiring Harness, Buick, Cadillac, Chevrolet, GMC, Hummer, Pontiac, Kit

Part Number: RNB-926-084

3.24 out of 5 stars ( 21 )

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

Computer Programmer, GT Platinum Tuner, Each

Part Number: BLY-40417

3.58 out of 5 stars ( 66 )

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

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Lug Nuts, Conical Seat, Bulge, 14mm x 1.50 RH, Closed End, Locking, Chrome Plated Steel, Set of 4

Part Number: MCG-24210

4.71 out of 5 stars ( 21 )

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

Shackles, 2 in. Drop, 2.5 in. Wide Spring, Chevy, Dodge, Ford, GMC, Rear, Pair

Part Number: BEL-6400

4.84 out of 5 stars ( 90 )

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

Mass Airflow Sensor, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, Hummer, Isuzu, Saab, Each

Part Number: DFP-AF10043

4.91 out of 5 stars ( 44 )

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

• $15 Summit Bucks

Shock, 5100 Series, Monotube, Rear, Chevy, GMC, 4WD, Each

Part Number: BSN-24-186742

4.93 out of 5 stars ( 68 )

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

Transmission Fluid Dipsticks, Midnight Series Flexible Braided Stainless, Firewall Mount, Case Entry, Black Tube, Black Handle, Chevy, 4L80E, Each

Part Number: LOK-XTD34L80FM36

5.0 out of 5 stars ( 5 )

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

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