Detroit Diesel 23519500 Electronic Gear Interface Module - Used

Detroit Diesel Marine Power Electronic Gear Interface Module, OEM part number 23519500 (serial 83006657), manufactured for Detroit Diesel by Sturdy Marine Division. Used in Detroit Diesel electronic marine gear shift control systems. Case connectors labeled GEAR, BACKUP, and ERIM. Sealed housing — not opened. Application: Detroit Diesel Marine Power electronic gear control systems. Condition: Used take-out, untested. Cosmetic wear consistent with service removal; all connectors present. Sold as untested — no bench-test evidence available. 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.