Product Description
S&S Diesel LB7-45SAC 45% Over SAC45® Injector (NEW) — Single — 2001–2004 GM 6.6L Duramax LB7
Step up LB7 fueling with S&S quality—one injector at a time. This NEW (not reman) 45% over injector uses a genuine Bosch SAC-style nozzle for durability and consistent atomization, then is precisely calibrated by S&S Diesel Motorsport. Perfect when replacing a single unit or building your set piece-by-piece.
- NEW injector with SAC45® nozzle (≈45% over stock flow)
- Built on genuine Bosch hardware; calibrated for clean delivery
- For the 2001–2004 LB7 common-rail system
- Sold individually (quantity 1)
Fitment
2001–2004 Chevy Silverado / GMC Sierra 2500HD & 3500 with 6.6L Duramax LB7 (VIN code 1). Single injector.
What’s Included
- (1) S&S Diesel Motorsport LB7-45SAC NEW injector
- Factory-style seals installed
- Calibration data & documentation
Recommended Supporting Parts
- 2001–2004 Duramax LB7 Parts & Upgrades
- Duramax Injector Lines (replace when doing injectors)
- Duramax Fuel System Upgrades (lift pumps, filters, hardware)
- Shop All S&S Diesel at CPP
Installation & Notes
- Tuning required to realize the added flow of 45% over injectors.
- Inspect/replace high-pressure lines and return hardware during install.
- Core policy and deposits may apply depending on the seller.
FAQ
Is this a single injector or a set?This listing is for one NEW 45% over LB7 injector. Order quantity 8 for a complete set.
Do I need custom tuning for a 45% over injector?Yes. 45% over flow requires calibration changes for proper fueling, drivability, and smoke control.
Why SAC nozzles over the stock LB7 VCO design?SAC-style nozzles are widely regarded as more durable and consistent than the original LB7 VCO nozzles.
Will this fit my 2001–2004 LB7?Yes—fits Chevy/GMC 2500HD/3500 with the 6.6L LB7 (VIN 1) common-rail system.
