2003 CHEVROLET SILVERADO-2500-HD Fuel Injection

Wiring Harness, Fuel Injection, Multi-Port, Mass Airflow, Chevy, 4.8/5.3/6.0L, Kit

Part Number: PRF-60221

3.93 out of 5 stars ( 14 )

Estimated Ship Date: Monday 11/10/2025

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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 ( 5 )

Estimated Ship Date: Monday 11/10/2025

• Free Shipping
• $20.00 Summit Bucks

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 11/10/2025

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

Part Number: DWK-16ULS05508

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

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Fuel Injector, Replacement, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Each

Part Number: DFP-FJ10062

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/10/2025

Fuel Injector, Replacement, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Set of 8

Part Number: SMP-FJ315RP8

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/10/2025

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Wiring Harness, Fuel Injection System, Standalone, Drive-By-Cable, LS1, Kit

Part Number: TSN-WH1201

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

• Free Shipping
• $10.00 Summit Bucks

Fuel Injector Spacers, 1.050 in. Thickness, Billet Aluminum, Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Pontiac, Small Block LS, Set of 8

Part Number: ICB-551348

4.88 out of 5 stars ( 8 )

Estimated Ship Date: Monday 11/10/2025

Injector Dynamics ID1050X Injectors 14mm (Gray) Adapter Top (Set of 8) Orange Lower O-Ring

Part Number: IJD-10504814158

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

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Fuel Injectors, 1,000 cc/min., 95 lb/hr., Chevy, Small Block LS, Set of 8

Part Number: DWK-16ULS10008

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

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Fuel Injector, OE Style, with O-rings, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Each

Part Number: SMP-FJ315

5.0 out of 5 stars ( 8 )

Estimated Ship Date: Monday 11/10/2025

Wiring Harness, Fuel Injection System, Standalone, Drive-By-Cable, LS1, Kit

Part Number: TSN-WH1200

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

• Free Shipping
• $10.00 Summit Bucks

Throttle Body, Powr-Flo, Aluminum, Natural, Buick, Cadillac, Chevrolet, GMC, Each

Part Number: JET-76100

4.39 out of 5 stars ( 36 )

Estimated Ship Date: Monday 11/10/2025

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Fuel Injector, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Each

Part Number: URM-6988

3.77 out of 5 stars ( 13 )

Estimated Ship Date: Monday 11/10/2025

• Core Charge $5.40

Wiring Harness, Gen III Vortec, Chevy, 4.8/5.3/6.0L, Each

Part Number: PRF-60218

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/10/2025

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Fuel Injection O-Rings, Set of 4

Part Number: FEL-ES70599

3.75 out of 5 stars ( 8 )

Estimated Ship Date: Monday 11/10/2025

Throttle Body Spacer, Billet Aluminum, Black Anodized, 1 in., Chevy, GMC, Each

Part Number: AID-200-512-1

4.23 out of 5 stars ( 35 )

Estimated Ship Date: Monday 11/10/2025

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Fuel Rail Fitting, Crossover Line, GM Duramax Diesel, Each

Part Number: PPE-113073000

4.3 out of 5 stars ( 10 )

Estimated Ship Date: Monday 11/10/2025

Fuel Injector, Chevrolet, GMC, Each

Part Number: DFP-FJ10494

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 26, 2025 if ordered today

• Drop Ship
• Special Order

Fuel Injector O-Rings, Rubber, 8 Fuel Rail O-rings, 8 Fuel Injector O-rings, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Olds, Pontiac, Saturn, Kit

Part Number: ADO-217-1588

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 11/10/2025

• $20.00 Summit Bucks

Fuel Rail Fitting, Pressure Release Valve, Duramax Diesel, Chevy, GMC, LB7, Each

Part Number: PPE-113072800

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/10/2025

Fuel Injector, Chevy, GMC, 6.6L Diesel, Each

Part Number: BCH-0986435502

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

• Core Charge $75.00
• Free Shipping

Fuel pressure regulator harness, 6.6L Duramax, Each

Part Number: FLE-S0432

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

Throttle Body Spacer, Powr-Flo, Aluminum, Blue Anodized, Chevy, GMC, Cadillac, Hummer, Pickup/SUV, Each

Part Number: JET-62100

3.6 out of 5 stars ( 5 )

Estimated Ship Date: Monday 11/10/2025

• Free Shipping