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57_4a95005f-bdeb-406c-8951-7e781ad56433 - Northline Parts

6204-61-1303 Water Pump For Komatsu 4D95 Engine D20-6 D21-6 D20-7 D21-7 Dozer

Alligator_819_x_200_px - Northline Parts

The Aftermarket Parts Specialists

$264.59
Sale price  $264.59 Regular price 

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This Water Pump is a high-quality aftermarket replacement part compatible with Komatsu 4D95 Engine D20-6 D21-6 D20-7 D21-7 Dozer and matches OEM Part# 6204-61-1303.

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I reached out for some replacement head bolts and they responded quickly with a few questions and cautionary information and is sending me some bolts. Great customer service! Thanks

Edward H. — Verified customer

Product Overview

This replacement water pump is designed to provide consistent coolant circulation for Komatsu 4D95 engines. It is constructed from premium materials to ensure maximum heat dissipation and long-term durability in heavy equipment applications.

Key Features & Performance

  • Engine Cooling: Provides efficient flow to maintain optimal operating temperatures.
  • Robust Design: Built to withstand the high-stress conditions of dozer operation.
  • OEM Standards: Manufactured to precise tolerances for a reliable fit.
  • Heavy-Duty Seals: Engineered to prevent leaks and maintain system integrity.

Fitment & Compatibility

  • Engine Series: Komatsu 4D95
  • Machine Models: D20-6, D21-6, D20-7, D21-7
  • Equipment Type: Dozer

Technical Specifications

  • Part Number(s): 6204-61-1303
  • Component: Water Pump
  • Fitment Type: Direct Replacement

Frequently Asked Questions

Q: Is this water pump a direct fit for the D20-7 model? A: Yes, this part is specifically engineered as a direct replacement for the Komatsu D20-7 dozer equipped with the 4D95 engine.

Q: What is the primary cause of water pump failure? A: Common causes include seal wear, bearing failure, or contaminated coolant, making timely replacement critical for engine health.

Compatibility may vary by serial number. Verify fitment before purchase.

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Service was professional and easy to work with. They kept me updated on my order and recommended a different part when the one I originally picked wasn’t going to work. Everything showed up as expected and the process was smooth overall.

- Customer, Chris D.

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