Detroit Diesel V71 Series Marine Long Block - Used Core

Application: Detroit Diesel two-stroke V-series marine engine, appears to be a 71-series long block (likely 8V71 family) — model and marine build list require confirmation from the Detroit Diesel data plate. Condition: Used, untested, incomplete core. Missing/removed accessories including turbo, starter, raw-water pump, and airbox cover on at least one bank; visible surface corrosion and oil staining. Casting number 5126421 is visible on an accessory housing (casting number — not an orderable OEM part number). Sold as a rebuildable core / long-block core. 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.