John Deere R50408 Water Pump Housing Casting for 4040 / 4230 / 4430 / 4440 Diesel - Used

Application: John Deere water pump housing casting, part number R50408, for 4040 / 4230 / 4430 / 4440-series diesel engines and related JD 6.4L / 6.6L industrial/marine variants. Condition: Used bare casting — housing only, no impeller, shaft, bearing, or seal installed. Suitable as a core or rebuild starting point. 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.