Description
Application: Yanmar marine and industrial diesel engines using the 129470-42001 / -42002 / -42003 freshwater circulation pump family — commonly 3JH2, 3JH3E, 4JH2E, 4JH3 and related models. Cast aluminum housing (KINKI-cast OEM-style), integral thermostat outlet, hose barb, bypass nipples, and 4-bolt pulley hub.
Condition: Rebuilt / reconditioned — cleaned housing, fresh-looking shaft, seal and bearing, machined pulley flange. Sold without gaskets.
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.