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Cummins · Electrical & Lighting
3686370
In stock · ships from Knoxville
This is a genuine Cummins injector wiring harness that connects the engine control module (ECM) to the fuel injectors on certain 15-liter ISX and QSX diesel engines.
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Designed for 15-liter ISX/QSX engines using the XPI fuel injection system, as used in EPA13 Automotive applications.
Part data verified against 5 catalog sources
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It carries electrical power and precise timing signals to each injector, ensuring the correct amount of fuel is delivered at the right moment for efficient combustion. The harness is built for the high temperatures and harsh environment of the XPI fuel system. It is typically replaced when worn insulation or broken wires cause injector circuit faults, cylinder misfires, or poor fuel economy.
Part Number: 3686370
INJECTOR WIRING HARNESS CUMMINS
Vendor: MHC Kenworth
Dealer: KP Services Crossville
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Parts commonly needed alongside electrical & lighting
