Cummins 3969783 Engine Wire Harness - Used

Cummins engine wire harness, used take-off. Marked on the accompanying shop tag as "Cummins Wire Harness 3969783" (tag-sourced number — verification against the Cummins catalog required before ordering).

Application: Cummins electronic engine wiring — specific engine model/CPL not verified. Approximately 4–5 ft of heavy jacketed cable with multiple sealed connectors including a round threaded plug, a 2-pin sealed connector, a flat sealed plug, and short break-out leads with a bullet terminal.

Condition: Used, untested. Jacket intact and flexible, light dirt and handling marks, connector bodies scuffed; some break-out leads at the taped junction are exposed. No continuity or functional testing has been performed and no operational claim is made.

Buyer must confirm fitment by part number, photos, dimensions, engine model, serial number, and application before purchase. Used marine part sold as-is unless otherwise stated. No returns on electrical, used, special-order, or installed parts.