Our Fuel Pressure Regulator FPR harness for the 2001 2010 6.6L Duramax is a direct replacement for GM Part Number 97378671 MY 2006 2010 and 97327685 MY 2001 2005. Produced in house, our manufacturing process includes fully automated wire cutting and terminal crimping to ensure you get the highest quality replacement parts you need to get your truck back on the road quickly. Replaces discontinued GM part number 97378671 and 97327685 Application Notes 2001 2010 6.6L Duramax FPR harness