Precision Auto Injectors

Chevrolet Silverado Fuel Injectors

Find rebuilt genuine OEM Chevrolet Silverado fuel injector sets by model year, truck series, engine size, fuel type, and original injector number.

Find Your Silverado Injector Set

Find the right Silverado injector set in three steps

1. Identify your truck
Confirm the model year and Silverado series. Check whether the truck is a Standard, Classic, 1500, 2500 HD, or 3500 HD.
2. Check the engine and fuel type
Confirm the engine size and whether the factory fuel system is gasoline, Flex Fuel/E85, or Hybrid.
3. Match the injector listing
Use the chart and direct product links below, or contact us for help checking your original injector number.

Chevrolet Silverado fuel injector fitment guide

Silverado injector fitment depends on the year, truck series, engine, fuel type, body generation, and original injector design. Do not order by model year or engine size alone.

Years and Truck Engine and Fuel Type Injector Numbers Direct Product Link
1996–2000
Chevrolet C/K 2500 and 3500
7.4L 454 V8
Gasoline
Rochester 17103146 / 17120683
or Bosch four-hole upgrade
Shop Rochester 7.4L Injectors

Shop Bosch 7.4L Upgrade
1999–2006
Selected 2007 Classic
Listed 4.8L, 5.3L and 6.0L
Gasoline or listed Hybrid
Delphi 25317628 Shop 1999–2006 Silverado Injectors
2001–2006
Selected 2007 Classic HD
8.1L Vortec V8
Gasoline
Delphi 17124531 Shop Silverado 8.1L Injectors
2002–2006 Silverado 1500
Selected 2007 Classic
5.3L V8
Factory Flex Fuel/E85
Denso 25326903
GM 12580426
Shop Silverado 5.3L Flex Injectors
Selected 2007–2009
Silverado 1500 and HD
Listed 4.8L, 5.3L and 6.0L
Gasoline or Hybrid as listed
Delphi 12580681 Shop 2007–2009 Silverado Injectors
2007–2009
Silverado 1500
5.3L V8
Factory Flex Fuel/E85
Denso 12594512 Shop 2007–2009 Silverado Flex Injectors
2010–2013
Silverado 1500
Compatible 4.8L, 5.3L and 6.0L
Application-specific
GM 12613411 Shop 2010–2013 Silverado Injectors

This silvered fitment guide was reviewed using the current Precision Auto Injectors product catalog. Because Toyota fitment can vary by market, emissions package, and original injector number, final compatibility should be confirmed before installation. Learn more about Precision Auto Injectors or review our fuel injector cleaning and testing service.

Shop rebuilt OEM Chevrolet Silverado fuel injector sets

1996–2000 Chevrolet C/K 7.4L Rochester

Truck: Select Chevrolet C/K 2500 and 3500

Engine: 7.4L 454 Vortec V8

Injector numbers: 17103146 / 17120683

Shop Rochester 7.4L Set
1996–2000 Chevrolet C/K 7.4L Bosch Upgrade

Truck: Select Chevrolet C/K 2500 and 3500

Engine: 7.4L 454 Vortec V8

Injector type: Bosch four-hole upgrade

Shop Bosch 7.4L Upgrade
1999–2006 Silverado and Selected 2007 Classic

Application: Listed Silverado and Classic trucks

Engines: Listed 4.8L, 5.3L and 6.0L V8

Delphi number: 25317628

Shop Delphi 25317628 Set
2001–2007 Classic Silverado HD 8.1L

Application: Silverado HD and Classic HD

Engine: 8.1L Vortec V8

Delphi number: 17124531

Shop Silverado 8.1L Set
2002–2006 Silverado 5.3L Flex Fuel

Application: Silverado 1500 and selected 2007 Classic

Engine: Factory 5.3L Flex Fuel V8

Numbers: 25326903 / 12580426

Shop 5.3L Flex Fuel Set
Selected 2007–2009 Silverado 1500 and HD

Application: Selected Silverado 1500 and HD trucks

Engines: Listed 4.8L, 5.3L and 6.0L V8

Delphi number: 12580681

Shop Delphi 12580681 Set
2007–2009 Silverado 1500 Flex Fuel

Application: Silverado 1500

Engine: Factory 5.3L Flex Fuel V8

Denso number: 12594512

Fuel type: Flex Fuel/E85 application

Shop 2007–2009 Flex Set
2010–2013 Silverado 1500

Application: Compatible Silverado 1500 trucks

Engines: Compatible 4.8L, 5.3L and 6.0L V8

GM number: 12613411

Shop 2010–2013 Set
View All Chevrolet Silverado Injectors

Common signs of a failing Chevrolet Silverado fuel injector

A dirty, restricted, leaking, or electrically failing injector may contribute to the symptoms below. These symptoms can have other causes, so proper diagnosis is recommended before replacing parts.

  • Rough or unstable idle
  • Hard starting or extended cranking
  • Engine misfires or Check Engine Light codes
  • Hesitation or loss of power under load
  • Reduced fuel economy
  • Strong fuel odor or dark exhaust smoke
  • Rich or lean fuel-trim codes

Why buy Silverado fuel injectors from Precision Auto Injectors?

Genuine OEM injector cores We rebuild genuine OEM Delphi, Denso, Rochester, Bosch, and GM injector cores instead of relying on unknown low-cost imitation injectors.
Lifetime replacement warranty Injector sets purchased directly through our website are supported by our lifetime replacement warranty.
60-day return period Our return policy allows eligible orders to be returned within 60 days of delivery.
Real fitment support Contact our team for help checking your Silverado's year, series, engine, fuel type, and original injector number.

How we rebuild and test your Silverado fuel injectors

Every Silverado injector set is professionally cleaned, electrically tested, leak checked, spray-pattern verified, and flow matched before shipment.

ASNU fuel injector cleaning and flow-testing equipment at Precision Auto Injectors

Chevrolet Silverado fuel injector questions

How can I tell if my Chevrolet Silverado has a bad fuel injector?

Common signs include rough idling, hard starting, hesitation, reduced fuel economy, fuel odor, loss of power, an engine misfire, or an illuminated Check Engine Light. Proper testing is recommended because other engine problems can cause similar symptoms.

How much does it cost to replace fuel injectors on a Chevy Silverado?

The total cost depends on the Silverado’s year, engine, injector type, and local labor rates. Rebuilt genuine OEM injectors can offer a more affordable alternative to new dealer injectors while retaining the original factory design.

Why does the 2007 Silverado Classic designation matter?

A 2007 Silverado Classic uses the earlier truck body generation and can require different injectors from a new-body 2007 Silverado. Always include the Classic designation when checking fitment.

Should I replace one Silverado injector or the complete set?

A complete flow-matched set can provide more consistent fuel delivery across all eight cylinders. Proper diagnosis is still recommended before replacing injectors.

Can Silverado fuel injectors be cleaned instead of replaced?

Sometimes. Dirty or restricted injectors may be restored through professional off-car cleaning and testing. Injectors that are leaking, electrically damaged, physically worn, or unable to meet the correct flow specifications should be replaced.

Need help choosing your Silverado injector set?

Call us before ordering. We can help narrow the choices using your Silverado year, series, engine size, fuel type, VIN, and original injector number when available.

Call 407-536-4509 for Fitment Help