Description
HP4 High Pressure Fuel Injection Pump
2017 – 2026 L5P 6.6L GM & Chevrolet Duramax
The HP4 series is renowned for its reliability and increased volumetric efficiency compared to previous generations. This is a drop in stock direct replacement pump, designed to handle the rigorous demands of the Duramax engines, ensuring your engine receives consistent, high pressure fuel flow, while maintaining optimal atomization for better combustion, improved throttle response, and peak horsepower delivery.
Options:
- Pensacola Diesel Reman – Completely Rebuilt & Tested to OEM specifications
- Genuine OEM – New Pump with OEM factory 2 year warranty
Reference # 12678993, 12701094, 12731368, 12731367, 12676904, 6040608C9, 6040608C91, AP54850, AP54950, IP55
Core Return Required: $250 Core Charge
*Never pay a core charge if returned within 30 Days*
Please Read Our Core Policy