Detroit Diesel Fresh Water Coolant Pump for Series 71 12V71 - Used Core

Detroit Diesel gear-driven fresh water (coolant) pump, removed from service and offered as a rebuildable core.

Application: Consistent with Detroit Diesel Series 71 V-configuration engines; the previous owner's tag indicates a 12V71. Application and interchange are NOT verified — sold by photographs, cast identifiers, and dimensions. The number cast into the housing, 5143956, is a CASTING number and is not confirmed as an orderable OEM service part number.

Condition: Used core. Dirty paint, surface rust at the coolant tube ends and drive gear. Not tested — no rotation, flow, pressure, or leak testing has been performed, and no claim is made regarding seal, bearing, or impeller condition. Suitable for rebuild or exchange. Drained and capped before shipment.

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.

Quote is subject to final fitment confirmation by engine/transmission serial number, part number, photos, and supplier availability.