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The Cummins Electronic Control Module Wiring Harness connects ECM-related wiring for Tier 1 5.9L ISB and QSB engines. This genuine Cummins harness is made for engine-control electrical service where a full harness is needed instead of small connector repairs. Its harness assembly helps route the required ECM connections across the engine area in one organized part. For ISB and QSB engine work, this Cummins 3963718 electronic control module wiring harness gives the electrical system a dependable OEM replacement for engine control connections.
| Brand | Part Number |
|---|---|
| 3963718 |
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