Pure Power HP4 to DCR Pump Conversion Kit 17-22 GM 6.6L Duramax L5P ORA-5862-504 6L Duramax LML is a

6L Duramax LML is a drop in filter designed to replace OEM GM Part Number 25945274

The pressure relief valve is a simple

OEM replacement quality

This truck works perfectly with stock

provides a far better ride than the factory shackle

Pure Power HP4 to DCR Pump Conversion Kit 17-22 GM 6.6L Duramax L5P ORA-5862-504 6L Duramax LML is aAre you ready to stop worrying about high pressure pump failures? This HP4 to DCR conversion kit is one of the most effective upgrades you can make. The factory Denso HP4 high pressure fuel pump is a solid design, but it can struggle under heavy use, contamination, or tuning. This conversion kit swaps the factory pump for a proven DCR (Diesel Common Rail) pump engineered for stronger pressure consistency, better flow, and longer life, all without ECU