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SKU:
NLT2T00508
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Water Pump 129001-42004 for Yanmar 3TNE84 3TNE88 4TNE88 Takeuchi TB135
$166.49
In Stock
$166.49
Sale price
$166.49
Regular price
This is a brand new water pump for Yanmar 3TNE88, Yanmar 4TNE88, Yanmar 4TNE84 and related listed applications. It restores coolant circulation when the original pump is leaking, noisy or no longer keeping engine temperature under control.
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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.
Compatible equipment / model
| Yanmar 3TNE88 |
| Yanmar 4TNE88 |
| Yanmar 4TNE84 |
| Yanmar 3TNE84 |
| Yanmar 3TNE84T |
| Takeuchi TB135 |
| Takeuchi TB145 |
| Takeuchi B37V |
| Takeuchi B50-2A |
| Takeuchi B50V |
| Yanmar VIO50 |
Product Overview
A worn pump may leak from the seal, develop shaft play or fail to circulate enough coolant, leading to overheating during excavation and other high-load work.
The water pump is one of the main circulation points in the cooling system. When its seal, bearing or impeller wears, the engine may run hotter than normal or lose coolant. Replacing it before severe overheating helps protect the cylinder head, head gasket and other heat-sensitive engine components.
Key Features & Performance
- Restores coolant circulation through the engine and radiator
- Helps control engine temperature during sustained load and low-speed operation
- Direct service replacement format for the listed cooling-system application
Technical Specifications
| Engine cooling-system water pump |
Replaces / Cross-References
129001-42004, 129001-42003, 129004-42001, 129001-42001, 729423-42003
Common Reasons for Replacement
- Coolant leaking from the pump or weep area
- Bearing noise, pulley wobble or shaft play
- Engine temperature rising under normal load
- Cooling system serviced after pump damage or corrosion
Fitment Notes
Verify one of the listed part numbers and compare the pump casting/mounting pattern before ordering.
Frequently Asked Questions
How should I verify fitment?
Verify one of the listed part numbers and compare the pump casting/mounting pattern before ordering.
Is this an OEM part?
This listing is for a new replacement part. It is not represented as the original manufacturer's branded part unless the product listing specifically states otherwise.
What should I check before installation?
Compare the replacement with the removed part before installation, correct any related wiring, hose, mounting or system problems, and follow the equipment manufacturer's service procedures.