Chevrolet Silverado Fuel Injectors - Rebuilt OEM Injector Sets
Precision Auto Injectors
Silverado Fuel Injectors
Rebuilt genuine Delphi, Denso, Rochester, and Bosch fuel injector sets for select 1999-2013 Chevrolet Silverado applications, plus select earlier C/K 7.4L trucks.
Find Your Silverado Injector SetFind the right Silverado injector set in three steps
Select the year and Silverado series. Then choose Standard, Classic, or HD.
Gasoline, Flex Fuel/E85, or Hybrid matters as much as engine size.
Use the chart and cards below, then compare the original injector if available.
Chevrolet Silverado Injector Quick Guide
Use this guide to narrow your options. The original injector number, connector, body, and nozzle design should agree with the vehicle application before an order is placed.
| Years / Truck | Engine / Fuel | Injector Set | Quick Links |
|---|---|---|---|
| 1996-2000 Chevrolet C/K 2500 / 3500 |
7.4L / 454 V8 Gasoline |
Rochester 17103146 / 17120683 or Bosch 4-hole upgrade |
Shop Rochester Shop Bosch Upgrade |
| 1999-2006 & 2007 Classic |
Listed 4.8L / 5.3L / 6.0L Gasoline or listed Hybrid |
Delphi 25317628 | Shop 25317628 |
|
2001-2006 & 2007 Classic HD |
8.1L Vortec V8 Gasoline |
Delphi 17124531 | Shop 17124531 |
| 2002-2006 Silverado 1500 & 2007 Classic |
5.3L V8 Factory Flex Fuel / E85 |
Denso 25326903 12580426 |
Shop 25326903 |
| 2007-2009 1500 and HD trucks |
Listed 4.8L / 5.3L / 6.0L Gasoline or Hybrid as listed |
Delphi 12580681 | Shop 12580681 |
| 2007-2009 Silverado 1500 | 5.3L V8 Factory Flex Fuel / E85 |
Denso 12594512 | Shop 12594512 |
| 2010-2013 Silverado 1500 | Compatible 4.8L / 5.3L / 6.0L Application-specific |
GM 12613411 | Shop 12613411 |
You do not need to remove an injector to ask for help.
Have your Silverado year, series, engine, fuel type, and whether it is a Classic, HD, or Hybrid ready. If possible, send us the number stamped on an original injector.
If a repair shop is doing the work, have the technician call us with the vehicle details before the order is placed. This is especially important for 5.3L gasoline versus Flex Fuel trucks and for 2007 Classic-body applications.
Shop Rebuilt Silverado Injector Sets
Choose the card that matches the complete truck application. Each factory-style set contains eight injectors for the listed V8 application.
Why buy Silverado fuel injectors from Precision Auto Injectors?
Choosing the correct injector set matters. We help Silverado owners and repair shops match the right rebuilt OEM injectors to the truck's engine, fuel system, and exact application.
Factory-style Delphi, Denso, Rochester, and Bosch injectors for the listed Silverado applications.
Each injector is inspected, cleaned, leak tested, flow tested, and checked for spray pattern before it is sent out.
Call us with your Silverado year, engine, fuel type, and injector number before ordering if you need help choosing the correct set.
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 diagnose the truck before replacing parts.
- Rough or unstable idle
- Hard starting or extended cranking
- Hesitation or loss of power under load
- Poor fuel economy or strong gasoline odor
- Random or cylinder-specific misfires, including P0300 through P0308 codes
- Rich or lean fuel-trim codes, black exhaust smoke, or fuel-contaminated engine oil
- Illuminated Check Engine Light
Why flow matching matters on a Silverado V8
Each Silverado cylinder depends on its injector to deliver a consistent amount of fuel. Testing a complete set makes it possible to compare injector performance under the same conditions and support balanced fuel delivery across the V8.
Our injector rebuilding process
- Visual inspection
- Electrical coil and opening-response testing
- High-pressure leak testing
- Ultrasonic cleaning and reverse flushing
- Replacement of service components as applicable
- Dynamic and static ASNU flow testing
- Spray-pattern verification
- Flow matching and final quality inspection
Chevrolet Silverado fuel injector questions
Which fuel injectors fit my Chevy Silverado?
Start with the Year, Make, and Model search tool on our website, then use this guide to narrow the options. Confirm the original injector number and complete vehicle application before ordering.
Are all Silverado 5.3L injectors the same?
No. Silverado 5.3L trucks can use different injectors depending on the year, truck body style, and whether the factory fuel system is gasoline or Flex Fuel.
Why does the 2007 Classic designation matter?
A 2007 Silverado Classic is an earlier body style and can use different components from a new-body 2007 Silverado. Always include the Classic designation when requesting fitment help.
Should I replace one injector or the complete set?
When a complete matched set is available, it is generally the better choice because it provides consistent fuel delivery across all eight cylinders. Proper diagnosis is still recommended first.
Need help choosing your Silverado injector set?
Call us before ordering. We will help narrow the choices using your Silverado year, series, engine, fuel system, and original injector details.
Call 407-536-4509 for Fitment Help