Fleece Performance 01-07 GM 2500/3500 Duramax Vane Position Sensor Pigtail (LLY)Replacement connector with 6" pigtail for use on the 6. 6L Duramax engine including MAP, BARO, camshaft, and crankshaft sensors. 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 or car back on the road quickly. Replaces ACDelco 88987997 and PT1799 Application Notes 2001 2007 6. 6L Duramax MAP Sensor 2001 2007 6. 6L