25317628 Chevy GMC 4.8L / 5.3L / 6.0L Fuel Injectors (1999–2007 Vortec)

Restore factory performance and drivability with this remanufactured OEM 25317628 fuel injector set, professionally rebuilt in‑house for 1999–2007 Chevy & GMC 4.8L, 5.3L, and 6.0L Vortec engines. Each injector is fully cleaned, tested, and flow‑matched to ensure smooth idle, balanced AFR, and reliable long‑term operation.

Product Highlights

• OEM Part Number: 25317628

• Guaranteed Fitment for 4.8L / 5.3L / 6.0L Vortec engines

• Remanufactured & rebuilt in‑house for maximum quality control

• Multi‑stage ultrasonic cleaning + internal restoration

• All new serviceable components: o‑rings, filters, seals, spacers

• Flow‑matched within ±1% (static & dynamic)

• Plug‑and‑play installation — direct replacement for factory injector

• Fitment

  Designed for 1999–2007 GM trucks and SUVs, including:

  • Chevrolet Silverado 1500 / 2500 / 3500

  • GMC Sierra 1500 / 2500 / 3500

  • Also compatible with select Tahoe, Suburban, Yukon, Express, Savana models equipped with 4.8L, 5.3L, or 6.0L Vortec engines

  Our Rebuild Process

  Every injector undergoes a complete restoration process:

  • Electrical resistance testing

  • Ultrasonic cleaning (multiple stages)

  • Back‑flush and debris removal

  • Leak testing

  • Spray pattern verification

  • Flow matching to within ±1%

  This ensures each set performs like new — or better.

• Condition

  • Remanufactured

  • Fully tested

  • Sold as a complete matched set