The 12" Duramax & Cummins Injection Pump Pigtail Harness is a robust wiring solution designed to interface with Bosch-style injection pumps across select Duramax and Cummins diesel engine platforms. Compatible with applications using 2-way Bosch (Black Keying) connectors, this harness simplifies installation and service by allowing straightforward integration into your engine’s existing wiring system.
One end features a pre-terminated 2-pin Bosch-style connector with black keying to ensure accurate polarity and secure fitment to the injection pump. The opposite end is a blunt-cut pigtail, providing flexibility for custom splicing into OEM or aftermarket harnesses.
Ideal for fuel system upgrades, injection pump replacements, engine conversions, or harness diagnostics, this 12-inch pigtail offers a reliable connection point—supporting consistent fuel delivery and maintaining optimal engine performance.
