OEM Delphi 1999-07 GM Chevy GMC Truck 4.8L 5.3L 6.0L 25317628 Fuel Injectors
Restore your GM truck's power the right way — with real OEM quality. This is a set of 8 rebuilt OEM GM Delphi 25317628 fuel injectors — the exact injectors used in 2001–2007 GM 4.8L, 5.3L, and 6.0L V8 engines. These genuine 25317628 injectors are professionally serviced, ultrasonically cleaned, and flow-matched to OEM specs. Direct fit for non-flex GM 4.8L, 5.3L, and 6.0L V8 engines (1999–2007) Flow matched within 2% for maximum performance and smooth idle OEM reliability — no tuning required This 25317628 injector set offers a perfect OEM replacement for non-flex fuel engines originally equipped with Delphi part number 25317628, also listed as AC Delco 25317628 or GM 25317628 in service manuals and catalogs. Delphi was the manufacturer contracted by GM to make these 25317628 injectors. Don't risk cheap aftermarket injectors. These are the same high-quality parts your truck came with from the factory — cleaned, tested, and backed by a lifetime warranty against failures or defects. Includes lifetime warranty for your peace of mind. 🛠️ See Our Rebuilding Process We start with genuine OEM Delphi 25317628 injector cores carefully collected for professional rebuilding: Each injector is ultrasonically cleaned, fitted with brand new internal components, and flow-tested using industry-leading ASNU equipment: Our ASNU test benches allow precision testing for leak-down, dynamic flow rate, spray pattern analysis, and coil integrity — ensuring every injector we ship meets or exceeds original OEM standards. ❓ Frequently Asked Questions Are these brand new? No. These are genuine GM OEM cores — genuine Delphi 25317628 injectors — that have been professionally rebuilt, ultrasonically cleaned, and flow-matched to OEM or better performance standards. Each injector is tested on ASNU service benches to ensure better-than-new flow matching for maximum performance out of your engine. Will these fit my truck? If you have a GM truck or SUV with a 4.8L, 5.3L, or 6.0L V8 from 2001 to 2007, reference the compatibility chart below or use our Year Make Model checker from the main page. No tuning is required — just plug and play. What if something goes wrong? You're fully covered. We stand behind every set with a lifetime warranty against failures or defects. Each injector undergoes ultrasonic cleaning, flow matching within 2%, and validation testing on ASNU equipment before shipping. Buy with confidence knowing we have your back. 📋 Vehicle Compatibility Chart Make Model Engine Years Buick Rainier 5.3L V8 2004 Cadillac Escalade 5.3L, 6.0L V8 2002–2006 Cadillac Escalade ESV 6.0L V8 2003–2006 Cadillac Escalade EXT 6.0L V8 2002–2006 Chevrolet Avalanche 1500 5.3L V8 2002–2006 Chevrolet Cargo Van 6.0L V8 2004 Chevrolet Cheyenne 5.3L V8 2003–2006 Chevrolet Express 1500 5.3L V8 2003–2007 Chevrolet Express 2500 4.8L, 5.3L, 6.0L V8 2003–2007 Chevrolet Express 3500 4.8L, 5.3L, 6.0L V8 2003–2007 Chevrolet Silverado 1500 4.8L, 5.3L, 6.0L V8 1999–2006 Chevrolet Silverado 1500 Classic 4.8L, 5.3L, 6.0L V8 2007 Chevrolet Silverado 1500 HD 6.0L V8 2001–2006 Chevrolet Silverado 1500 HD Classic 6.0L V8 2007 Chevrolet Silverado 2500 4.8L, 5.3L, 6.0L V8 1999–2006 Chevrolet Silverado 2500 HD 6.0L V8 2001–2007 Chevrolet Silverado 3500 6.0L V8 2001–2006 Chevrolet Silverado 3500 Classic 6.0L V8 2007 Chevrolet Sonora 5.3L V8 2003–2006 Chevrolet SSR 5.3L V8 2003 Chevrolet Suburban 1500 5.3L non-flex, 6.0L V8 2000–2006 Chevrolet Suburban 2500 6.0L V8 2000–2006 Chevrolet Tahoe 4.8L, 5.3L non-flex 2000–2006 Chevrolet Trailblazer EXT 5.3L V8 2003–2004 GMC Envoy XL 5.3L V8 2003–2004 GMC Envoy XUV 5.3L V8 2004 GMC Savana 1500 5.3L V8 2003–2007 GMC Savana 2500 4.8L, 5.3L, 6.0L V8 2003–2007 GMC Savana 3500 4.8L, 6.0L V8 2003–2007 GMC Sierra 1500 4.8L, 5.3L, 6.0L V8 1999–2006 GMC Sierra 1500 Classic 4.8L, 5.3L, 6.0L V8 2007 GMC Sierra 1500 HD 6.0L V8 2001–2006 GMC Sierra 1500 HD Classic 6.0L V8 2007 GMC Sierra 2500 5.3L, 6.0L V8 1999–2004 GMC Sierra 2500 HD 6.0L V8 2001–2007 GMC Sierra 3500 6.0L V8 2001–2006 GMC Sierra 3500 Classic 6.0L V8 2007 GMC W3500 Forward 6.0L V8 2004–2006 GMC W4500 Forward 6.0L V8 2003–2007 GMC Yukon 4.8L, 5.3L, 6.0L V8 2000–2006 GMC Yukon XL 1500 5.3L, 6.0L V8 2000–2006 GMC Yukon XL 2500 6.0L V8 2000–2006 Hummer H2 6.0L V8 2003–2007 Isuzu Ascender 5.3L V8 2003–2004 Isuzu NPR, NPR-HD 6.0L V8 2003–2004 Need a different GM injector? Browse all GM fuel injectors here.