{"product_id":"25317628-fuel-injectors-for-chevy-silverado-gmc-4-8l-5-3l-6-0l-99-06-8-piece","title":"25317628 Fuel Injectors for Chevy Silverado GMC 4.8L 5.3L 6.0L 99 06 8 Piece","description":"\u003cstrong\u003eThis 8x Fuel Injector Set is a direct-fit, high-flow replacement fuel injector set compatible with 1999–2006 Chevrolet Silverado, GMC Sierra, and other GM trucks with 4.8L, 5.3L, or 6.0L Vortec engines and matches OEM part number 25317628.\u003c\/strong\u003e \u003ch2\u003eProduct Overview\u003c\/h2\u003e \u003cp\u003eThese high-flow fuel injectors restore proper fuel atomization and delivery for 1999–2006 GM Vortec 4.8L, 5.3L, and 6.0L engines. Designed as a direct OEM replacement with improved metering, they help eliminate rough idle, hesitation, and misfires. Ideal for do-it-yourself mechanics and professional shops servicing Chevy Silverado and GMC Sierra trucks.\u003c\/p\u003e \u003ch3\u003eKey Features \u0026amp; Performance\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eSet of 8 direct-fit fuel injectors with exact OEM-style connector and flow-matched within tight tolerances.\u003c\/li\u003e \u003cli\u003eImproved multi-hole nozzle design enhances fuel atomization for more complete combustion and better throttle response.\u003c\/li\u003e \u003cli\u003eCorrosion-resistant stainless steel body and durable internal coils ensure long service life and resistance to ethanol-blended fuels.\u003c\/li\u003e \u003cli\u003ePre-installed upper and lower O-rings simplify installation—no extra seals required.\u003c\/li\u003e \u003cli\u003eEach injector is 100% flow-tested and leak-tested to guarantee consistent fuel delivery across all cylinders.\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eFitment \u0026amp; Compatibility\u003c\/h3\u003e \u003cul\u003e \u003cli\u003e1999–2006 Chevrolet Silverado 1500 \/ 2500 \/ 3500 with 4.8L, 5.3L, or 6.0L V8 (Vortec)\u003c\/li\u003e \u003cli\u003e1999–2006 GMC Sierra 1500 \/ 2500 \/ 3500 with 4.8L, 5.3L, or 6.0L V8 (Vortec)\u003c\/li\u003e \u003cli\u003e1999–2006 Chevrolet Tahoe \/ Suburban \/ Avalanche with 4.8L, 5.3L, 6.0L\u003c\/li\u003e \u003cli\u003e1999–2006 GMC Yukon \/ Yukon XL with 4.8L, 5.3L, 6.0L\u003c\/li\u003e \u003cli\u003e1999–2006 Cadillac Escalade with 5.3L or 6.0L\u003c\/li\u003e \u003cli\u003eAlso fits select Chevrolet Express, GMC Savana, and Hummer H2 with compatible Vortec V8 engines\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eCommon Uses\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eReplacing original fuel injectors that are clogged, leaking, or causing misfire\/lean codes on high-mileage 4.8L, 5.3L, 6.0L Vortec engines.\u003c\/li\u003e \u003cli\u003eRestoring proper fuel delivery when addressing rough idle, hesitation on acceleration, or decreased fuel economy.\u003c\/li\u003e \u003cli\u003eSupporting mild performance tunes or basic bolt-on intake\/exhaust modifications while retaining stock fuel rail pressure.\u003c\/li\u003e \u003cli\u003eFactory-style replacement during intake manifold gasket service or full upper-engine refresh.\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eTechnical Specifications\u003c\/h3\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number(s):\u003c\/strong\u003e 25317628\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFuel Type:\u003c\/strong\u003e Gasoline (ethanol-blend compatible up to E10)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eInjector Design:\u003c\/strong\u003e Multec-type with multi-hole nozzle\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCoil Resistance:\u003c\/strong\u003e High-impedance (approx. 12–16 ohms)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eConnector Type:\u003c\/strong\u003e USCAR \/ EV6 style (OEM plug-and-play)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eO-ring Material:\u003c\/strong\u003e Viton®\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFlow Rate @ 43.5 psi:\u003c\/strong\u003e Approx. 24 lb\/hr\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e \u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Will these injectors fit a 2003 Chevy Silverado 1500 with the 5.3L Vortec engine? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, this 8-piece set is a direct fit for 1999–2006 Silverado\/Sierra models with 4.8L, 5.3L, and 6.0L engines, including the 2003 5.3L. Ensure your OEM part number is 25317628 to confirm.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Do I need to reprogram the ECU after installing these fuel injectors? \u003cstrong\u003eA:\u003c\/strong\u003e No reprogramming is required for a stock replacement. These injectors match the factory flow rate and impedance, so they work with the original engine calibration.\u003c\/p\u003e \u003cp\u003e\u003cem\u003eProduct appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.\u003c\/em\u003e\u003c\/p\u003e","brand":"DURAFORCE","offers":[{"title":"Default Title","offer_id":53679696511249,"sku":"ZZ3A00594","price":83.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0250\/2446\/2929\/files\/57_a3fd4b13-b9e1-40ee-ad16-9d2dccf1f8aa.jpg?v=1781653545","url":"https:\/\/www.duraforce.com\/products\/25317628-fuel-injectors-for-chevy-silverado-gmc-4-8l-5-3l-6-0l-99-06-8-piece","provider":"DURAFORCE","version":"1.0","type":"link"}