Loading...
Aftermarket parts may appear slightly different, including the packaging.
YANMAR
COOLING SYSTEM, RAW WATER PUMPS
129271-42503 Front Mount Water Pump Assembly For Yanmar 4JH Engines
$638.83 USD$751.56 USDSAVE 15%
Taxes and Shipping are calculated at checkout. ·
Quality Guaranteed
Easy Returns
Secure Checkout
Expert Support
Free Shipping $250+
The DDP-129271-42503 is a front mount water pump assembly for Yanmar diesel engines — OEM part number 129271-42503. It fits Yanmar 4JH45, 4JH4AE, 4JH engines.
Delta Diesel Parts is a U.S.-based supplier of Yanmar diesel engine parts, with most in-stock orders shipping the same day and knowledgeable support staff to help you when it's needed.
Cross Reference: 129271-42502 12927142502
| Part Number | DDP12927142503 |
| OEM Number | 129271-42503 |
| Part Type | Raw Water Pumps |
| OEM Brand | Yanmar |
| Compatible Models | 4JH45, 4JH4AE, 4JH |
Sale price
$638.83 USD
Regular price
$751.56
Unit price
Unavailable
Feb 12, 2026
Great service provided.
Order was received prior to expected date. Really appreciate the urgency given.
Jan 28, 2026
Exceeded Expectations!
Even though my parts were not in stock, they were ordered and delivered ahead of expected time. Will order from them again.
Jan 5, 2026
Excellent, friendly service.
This is my new go to business for Yanmar parts. I highly recommend it.
