Caterpillar 3412 V12 Diesel Engine Block Assembly with Cylinder Heads - Used Core

Caterpillar 3412 V12 diesel engine assembly, serial 80M05159, arrangement 170-9159. Used, untested core with cylinder heads/valve covers installed as pictured. Application (industrial / marine / genset) not verified — the 80M serial prefix and arrangement number must be confirmed through a Cat dealer before purchase. Externally weathered with surface rust and oil residue; internals have not been inspected, measured, or run-tested. Any residual fluids will be drained and open ports capped before shipment. Heavy freight item, ships on a skid. 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.