Fleece Performance Replacement Fuel Injector Connector With Pigtail for L5P Duramax - 4 pack - FPE-HAR-L5P-INJ-PT-4PA common failure point on the L5P Duramax, our replacement connector with 4. 5 inch pigtail for the fuel injectors will get you back on the road quickly. This connector is typically replaced during an injector replacement and is prone to increased resistance over time that can result in an injector DTC (P0201 P0208). Includes heat sealable butt style connectors. Produced in house, our manufacturing process includes fully automated wire cutting and