Water Pump 129470-42001 for Yanmar 3JH3E 4JH2E 4JH3 Marine Engines
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Compatible Models
We do our best to list all compatible models. Although this may be the part you need, your exact model may not appear below.
Yanmar 3JH3E, 4JH2E and 4JH3-series marine engines.
Fitment note: Identify the exact engine suffix and compare the mounting flange, pulley and hose connections.
Identify the exact engine suffix and compare the mounting flange, pulley and hose connections.
Product Overview
The pump is a practical repair when the existing unit leaks or its bearings begin to wear.
Coolant seepage, play at the shaft, noise or repeated overheating can indicate pump trouble, although blocked passages and thermostat faults can cause similar symptoms.
Key Features & Performance
- Listed application: Yanmar 3JH3E, 4JH2E and 4JH3-series marine engines
- Part references: 129470-42001, 129470-42002, 129470-42003
- Before installation: Identify the exact engine suffix and compare the mounting flange, pulley and hose connections.
OE / Reference Numbers
- 129470-42001
- 129470-42002
- 129470-42003
Frequently Asked Questions
What should I check before ordering? Identify the exact engine suffix and compare the mounting flange, pulley and hose connections.
Is this an OEM part? This is a replacement part; genuine OEM status is not claimed. Manufacturer names and reference numbers identify intended applications.
Part Summary
keywords: Water Pump 129470-42001, Yanmar 3JH3E, 4JH2E and 4JH3-series marine engines, 129470-42001, 129470-42002, 129470-42003
Brand names, model numbers, and reference part numbers are used for identification and compatibility purposes only. Verify the original component, dimensions, and application before purchase.