Skip to product information
1 of 3

Komatsu 708-1S-11190 (7081S11190) Piston Pump | Fits D65PX-15 WA380-6

Komatsu 708-1S-11190 (7081S11190) Piston Pump | Fits D65PX-15 WA380-6

In Stock & Ready for Global Express Dispatch

Request a Quick Quote

✓ In Stock  |  ✓ 100% Interchangeable  |  ✓ Fast Global Shipping

Premium hydraulic piston pump designed as a direct OEM-compatible replacement for Komatsu crawler dozers and wheel loaders, ensuring precision cooling control and reliable power transmission. Built to deliver optimal volumetric efficiency, high-pressure performance, and an extended service life in demanding earthmoving, mining, and construction applications.

Product Highlights

  • Part Number: 708-1S-11190 / 7081S11190
  • Direct Fit OEM Replacement: Form, fit, and function match original Komatsu engineering specifications perfectly without requiring any mounting modifications.
  • Heavy-Duty Construction: Manufactured with high-strength alloys and wear-resistant precision internal parts to withstand extreme hydraulic pressures and continuous high-load operations.
  • Optimized Efficiency: Advanced piston design provides precise hydraulic flow to drive cooling fan motors efficiently, maintaining optimal engine operating temperatures.

Technical Specifications

Parameter Specification
Part Number 708-1S-11190 / 7081S11190
Product Type Heavy-Duty Hydraulic Piston Pump (Fan Pump)
Brand Compatibility Komatsu
Application Hydraulic Cooling Fan Drive System
Material High-Strength Precision Alloys & Cast Materials
Warranty 12 Months Warranty

Compatible Models & Equipment

This premium piston pump is precision-engineered to fit the following Komatsu heavy equipment:

  • Komatsu Crawler Dozers: D65EX-15 / D65PX-15 / D65WX-15 / D85EX-15 / D85PX-15
  • Komatsu Wheel Loaders: WA380-6 / WA430-6 / WA470-6 / WA480-6

Key Applications

  • Hydraulic Fan Drive System: Delivers high-pressure fluid power directly to hydraulic cooling fan motors for accurate temperature control.
  • Earthmoving & Construction Duty: Built to maintain steady pressure and cooling output during demanding earthmoving, quarrying, and land-clearing work.
  • System Pressure Restoration: Restores proper cooling fan speed and prevents engine overheating caused by internal piston wear in old pumps.

Why Choose Our Aftermarket Komatsu Pumps?

  • Guaranteed OEM Quality: Manufactured under strict ISO 9001 quality standards to match or exceed original equipment performance and durability.
  • Cost-Effective Solution: Achieve premium dealer-level reliability and identical performance at a fraction of the OEM replacement price.
  • Ready to Ship: Kept in stock for immediate worldwide dispatch to reduce your machine's idle downtime significantly.
  • Industry-Leading Support: Backed by a full 1-year warranty and a team of professional heavy machinery hydraulic technical experts.

Frequently Asked Questions (FAQ)

Q: Is this piston pump a direct replacement for Komatsu part number 708-1S-11190?

A: Yes, this is a premium OEM-compatible aftermarket replacement pump manufactured to exact Komatsu dimensions and specifications for direct drop-in installation.

Q: What is covered under the 12-month warranty?

A: Our 12-month warranty fully covers all manufacturing defects, material failures, and operational issues under standard working conditions.

Q: Does this pump require special flushing before installation?

A: We strongly recommend flushing the hydraulic cooling circuit and replacing hydraulic fluid filters before installation to prevent debris from damaging new precision pistons.

Q: How long does international shipping take?

A: In-stock orders are typically dispatched within 3–5 business days. Express shipping options are available for urgent machine breakdown situations.


Explore our full range of heavy-duty hydraulic pumps:
View All Komatsu Piston Pumps »

Need a Quote for Komatsu 708-1S-11190?

Contact us today for the latest pricing, bulk discounts, and shipping availability.

Request a Quote

📧 Request a Quote View full details