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12_d442994d-2fd3-4f69-af32-2a1f3d0869c3 - Northline Parts

Yanmar 4TNV84 / 4TNV88 Engine Water Pump

SKU: NLT2T00509
$166.49 In Stock
$166.49
Sale price  $166.49 Regular price 
Ships for free in 2–4 business days.
This water pump is sold for Yanmar 4TNV84 and 4TNV88 diesel-engine applications used in excavators, skid-steer loaders and other industrial equipment.
Estimated delivery between
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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
Compatible equipment / model
Yanmar 4TNV84 engines using the matching pump configuration
Yanmar 4TNV88 engines using the matching pump configuration

Product Overview

A leaking seal, loose bearing or worn impeller can reduce coolant circulation and lead to overheating, coolant loss or noise from the front of the engine.

Replacing a confirmed faulty pump restores coolant flow through the engine and radiator circuit.

Key Features & Performance

  • Yanmar 4TNV84 / 4TNV88 engine application
  • Engine cooling-water pump function
  • Industrial / construction equipment use
  • Water-pump gasket should be replaced during service
  • Exact Yanmar pump number varies by engine build

Replaces / Cross-References

  • 129004-42002
  • 129242-42000

What Is Included

1 water pump; gasket only if shown with this SKU.

Fitment Notes

Yanmar catalogs multiple pump numbers within the 4TNV84/4TNV88 family depending on engine specification. Match the original pump casting/part number and engine build code before ordering.

Frequently Asked Questions

Is this a genuine OEM part?
No, unless the product page specifically states otherwise. This listing is for a replacement, accessory, upgrade or repair component as described above. OE, Partslink and interchange numbers are provided for identification and fitment reference.

How should I verify fitment before ordering?
Match the year, model, engine, trim/body style, side or position, connector, mounting points and any reference numbers above against the original component. For industrial equipment, also verify the machine serial number or engine build/CPL when available.

Part Summary

Keywords: Yanmar 4TNV84 / 4TNV88 Engine Water Pump, 129004-42002, 129242-42000

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