Skip to product information
12_c8c3bb57-0a6f-4846-adc9-1f61b2266d5f - Northline Parts

New Water Pump 129327-42100 for Yanmar 3D84 Komatsu PC20-5 PC20-6 PC30-5 PC30-6

Write A Review
Alligator_819_x_200_px - Northline Parts

The Aftermarket Parts Specialists

$127.59
Sale price  $127.59 Regular price 

Available to Order

Usually ships in 2–4 business days.
This Water Pump is a high-quality aftermarket replacement part compatible with Yanmar 3D84, Komatsu PC20-5, PC20-6, PC30-5, PC30-6 and matches OEM Part# 129327-42100.
Shop at Northline Parts Best Customer Service Best Online Parts

Not sure which part fits your equipment?

Our Northline Parts team can help you find the right replacement. Support Hours: Monday–Friday, 8:00 AM–5:00 PM CT | Live Chat: Available 24/7

Call us

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 aftermarket water pump is engineered to provide efficient cooling for Yanmar and Komatsu engines. Built to meet or exceed OEM standards, it ensures consistent coolant flow and helps prevent engine damage due to overheating in demanding work environments.

Key Features & Performance

  • Precision Engineering:Manufactured to strict tolerances for a perfect fit and reliable operation.
  • Leak-Free Seal:Equipped with high-quality gaskets and seals to ensure long-term durability.
  • Enhanced Flow:Optimized impeller design provides superior heat dissipation during heavy operation.

Fitment & Compatibility

  • Compatible Models:Yanmar 3D84, Komatsu PC20-5, PC20-6, PC30-5, PC30-6

Technical Specifications

  • Part Number(s):129327-42100
  • Application:Industrial Engines and Excavators

Frequently Asked Questions

  • Q:Is this water pump a direct replacement for the original part? A:Yes, this unit is built to the same dimensions as the OEM part for a hassle-free installation.
  • Q:Does this unit come with the necessary gaskets? A:Yes, the water pump is supplied with the required mounting gasket to ensure a proper seal.

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

Customers also purchased

Keywords (Used as search references only) View IP policy.