Fuelab Velocity Series high-performance lift pump for 2001–2010 GM Duramax 6.6L 2500/3500 diesel applications is rated at 200 GPH with an internal bypass pre-set at 8 psi. The assembly features a pre-filtration fuel/water separator, mounting brackets and installation instructions. It’s intended as a higher-flow replacement or upgrade for the listed Duramax years where increased fuel delivery capacity is needed.
Fuelab 01-10 Duramax 2500/3500 Diesel Velocity Series High Performance Lift Pump 200 GPH 8 PSI