Description
Genuine Rebuilt 32lb GM Fuel Injectors - Part #25326903 12580426
Set of 8 rebuilt OEM Denso 32lb fuel injectors, part numbers 12580426 and 25326903, removed from 5.3L GM Flex Fuel vehicles. These are genuine Denso injectors professionally cleaned and flow matched for reliable V8 performance.
Symptoms of Failing Fuel Injectors
- Engine misfires P0171, P0172, P0300–P0308
- Increased emissions or failed emissions test
- Loss of power during acceleration
- Unusual fuel odors from the exhaust
- Engine knocking or pinging sounds
Injector Specs
- Flow Rate: 32lb/hr @ 58 PSI
- Connector Type: EV6 (USCAR)
- Part Numbers: 12580426, 25326903
- Fuel Type: Gasoline / E85 (Flex Fuel compatible)
- No tuning required for OEM replacement
Why Buy from Precision Auto Injectors?
- We only use genuine OEM cores – never aftermarket copies
- Every injector is ultrasonically cleaned, spray pattern verified, and flow matched to within 2%
- Rebuilt using industry-standard ASNU equipment
- Includes new o-rings and filters – ready to install
Backed by our lifetime replacement warranty
Each set of GM Flex Fuel injectors is fully tested and flow-matched on our ASNU diagnostic system before shipping.
Compatible Applications
- 2002–2006 Chevrolet Avalanche 1500 5.3L V8 Flex Fuel
- 2002–2006 Chevrolet Silverado 1500 5.3L V8 Flex Fuel
- 2002–2006 GMC Sierra 1500 5.3L V8 Flex Fuel
- 2002–2006 Chevrolet Tahoe 5.3L V8 Flex Fuel
- 2002–2006 Chevrolet Suburban 5.3L V8 Flex Fuel
- 2002–2006 GMC Yukon 5.3L V8 Flex Fuel
- 2002–2006 GMC Yukon XL 1500 5.3L V8 Flex Fuel
Show/Hide Full Vehicle Fitment
| Year | Make | Model | Engine |
|---|---|---|---|
| 2002 | Chevrolet | Avalanche 1500 | 5.3L 325CID V8 FLEX OHV NA |
| 2003 | Chevrolet | Avalanche 1500 | 5.3L 325CID V8 FLEX OHV NA |
| 2004 | Chevrolet | Avalanche 1500 | 5.3L 325CID V8 FLEX OHV NA |
| 2005 | Chevrolet | Avalanche 1500 | 5.3L 325CID V8 FLEX OHV NA |
| 2006 | Chevrolet | Avalanche 1500 | 5.3L 325CID V8 FLEX OHV NA |
| 2007 | Chevrolet | Express 1500 | 5.3L 325CID V8 FLEX OHV NA |
| 2007 | GMC | Savana 1500 | 5.3L 325CID V8 FLEX OHV NA |
| 2002 | GMC | Sierra 1500 | 5.3L 325CID V8 FLEX OHV NA |
| 2003 | GMC | Sierra 1500 | 5.3L 325CID V8 FLEX OHV NA |
| 2004 | GMC | Sierra 1500 | 5.3L 325CID V8 FLEX OHV NA |
| 2005 | GMC | Sierra 1500 | 5.3L 325CID V8 FLEX OHV NA |
| 2006 | GMC | Sierra 1500 | 5.3L 325CID V8 FLEX OHV NA |
| 2002 | Chevrolet | Silverado 1500 | 5.3L 325CID V8 FLEX OHV NA |
| 2003 | Chevrolet | Silverado 1500 | 5.3L 325CID V8 FLEX OHV NA |
| 2004 | Chevrolet | Silverado 1500 | 5.3L 325CID V8 FLEX OHV NA |
| 2005 | Chevrolet | Silverado 1500 | 5.3L 325CID V8 FLEX OHV NA |
| 2006 | Chevrolet | Silverado 1500 | 5.3L 325CID V8 FLEX OHV NA |
| 2002 | Chevrolet | Suburban 1500 | 5.3L 325CID V8 FLEX OHV NA |
| 2003 | Chevrolet | Suburban 1500 | 5.3L 325CID V8 FLEX OHV NA |
| 2004 | Chevrolet | Suburban 1500 | 5.3L 325CID V8 FLEX OHV NA |
| 2005 | Chevrolet | Suburban 1500 | 5.3L 325CID V8 FLEX OHV NA |
| 2006 | Chevrolet | Suburban 1500 | 5.3L 325CID V8 FLEX OHV NA |
| 2002 | Chevrolet | Tahoe | 5.3L 325CID V8 FLEX OHV NA |
| 2003 | Chevrolet | Tahoe | 5.3L 325CID V8 FLEX OHV NA |
| 2004 | Chevrolet | Tahoe | 5.3L 325CID V8 FLEX OHV NA |
| 2005 | Chevrolet | Tahoe | 5.3L 325CID V8 FLEX OHV NA |
| 2006 | Chevrolet | Tahoe | 5.3L 325CID V8 FLEX OHV NA |
| 2002 | GMC | Yukon | 5.3L 325CID V8 FLEX OHV NA |
| 2003 | GMC | Yukon | 5.3L 325CID V8 FLEX OHV NA |
| 2004 | GMC | Yukon | 5.3L 325CID V8 FLEX OHV NA |
| 2005 | GMC | Yukon | 5.3L 325CID V8 FLEX OHV NA |
| 2006 | GMC | Yukon | 5.3L 325CID V8 FLEX OHV NA |
| 2002 | GMC | Yukon XL 1500 | 5.3L 325CID V8 FLEX OHV NA |
| 2003 | GMC | Yukon XL 1500 | 5.3L 325CID V8 FLEX OHV NA |
| 2004 | GMC | Yukon XL 1500 | 5.3L 325CID V8 FLEX OHV NA |
| 2005 | GMC | Yukon XL 1500 | 5.3L 325CID V8 FLEX OHV NA |
| 2006 | GMC | Yukon XL 1500 | 5.3L 325CID V8 FLEX OHV NA |
Warranty & Returns
Buy with confidence: Every injector is backed by our lifetime warranty and a 60-day hassle-free return policy. No RMA required. No restocking fees. No fine print.
Payment & Security
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.