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57_dfefa496-b222-4d99-bf79-6229f11e2bb3 - Northline Parts

Water Pump 6204-61-1300 for Komatsu 4D95S / D20P-6 D20P-7

SKU: NLT2T00159
$264.59 In Stock
$264.59
Sale price  $264.59 Regular price 
Ships for free in 2–4 business days.
Replacement engine water pump 6204-61-1300 for compatible Komatsu 4D95S/4D95S-1 engines and D20-series dozers.
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
Application Fitment Notes
Komatsu D20P-6 / D20P-7 Verify engine and pump number.
Komatsu D20Q-6 / D20S-6 Verify engine and pump number.
Komatsu 4D95S / 4D95S-1 engine applications Compare original pump.

Product Overview

The water pump circulates coolant through the 4D95 engine and radiator. A leaking seal or worn bearing can quickly lead to coolant loss and overheating during dozer work.

The 6204-61-1300 reference is associated with Komatsu 4D95S-family engines and machines such as D20P-6, D20P-7, D20Q-6 and D20S-6.

Key Features & Performance

  • Engine coolant circulation pump
  • Komatsu reference 6204-61-1300
  • For 4D95S / 4D95S-1 engine applications
  • Used on several D20-series crawler dozers

Common Reasons for Replacement

  • Coolant leakage around the pump
  • Bearing noise, wobble, or shaft play
  • Overheating or poor coolant circulation

Technical Specifications

  • Part Type: Engine Water Pump

OE / Reference Numbers

  • 6204-61-1300

Frequently Asked Questions

How do I confirm compatibility? Confirm engine model, machine serial and 6204-61-1300 on the old pump or parts catalog.

Is this an OEM part? This listing is for a replacement part. Brand names and OE/reference numbers are used to identify fitment unless the listing specifically states that the item is genuine OEM.

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