129327-42100 Water Pump for Yanmar 3D84 3TNE84 Komatsu WA30-2 PC38UU-1 PC20-5

Product Overview

This aftermarket replacement water pump is intended for the listed Yanmar and Komatsu applications and cross-references part number 129327-42100. A water pump circulates coolant through the engine cooling system to support normal temperature regulation. It is supplied as a replacement for the corresponding pump on the models and applications identified in the title.

Key Features & Performance

• Circulates coolant through the engine cooling system as part of normal operation
• Cross-references part number 129327-42100 for comparison with the original unit
• Intended for the listed Yanmar 3D84 and 3TNE84 engine applications
• Intended for the listed Komatsu WA30-2, PC38UU-1, and PC20-5 machine applications
• Used when servicing or replacing the corresponding water pump

Fitment & Compatibility

• for Yanmar 3D84 applications
• for Yanmar 3TNE84 applications
• for Komatsu WA30-2 applications
• for Komatsu PC38UU-1 applications
• for Komatsu PC20-5 applications

Common Uses

• Replacing a worn, leaking, or malfunctioning water pump
• Servicing the engine cooling system during routine maintenance
• Restoring normal coolant circulation after the original pump has failed

Technical Specifications

• Product Type: Water Pump
• Part Number: 129327-42100
• Engine Application(s): Yanmar 3D84, Yanmar 3TNE84
• Machine Application(s): Komatsu WA30-2, Komatsu PC38UU-1, Komatsu PC20-5

Frequently Asked Questions

Q: What does a water pump do? A: A water pump circulates coolant through the engine cooling system to help maintain normal operating temperature.

Q: How should I verify fitment? A: Compare part number 129327-42100 and the complete model designation of your Yanmar engine or Komatsu machine with the information listed here before ordering.

This is an aftermarket replacement part and is not represented as genuine or original equipment. Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number, model year, or existing part number. Verify fitment before purchase.