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Bobcat 6684865 (6684866) Water Pump | Fits S175 S185 T190 E50

Bobcat 6684865 (6684866) Water Pump | Fits S175 S185 T190 E50

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✓ Premium Quality Spec  |  ✓ 100% Direct Fit  |  ✓ Fast Global Shipping

Premium engine cooling water pump engineered as a direct OEM-compatible replacement for Bobcat 6684865 (6684866). Designed to deliver smooth, continuous coolant circulation, maintain optimal engine operating temperatures, and prevent severe overheating in heavy-duty Bobcat skid steers, track loaders, and mini excavators working under grueling jobsite conditions.

Product Highlights

  • Part Number: Bobcat 6684865 / 6684866
  • Direct Fit OEM Replacement: Mounting flange, drive pulley connection, and coolant port geometry strictly match original Bobcat factory specifications for an effortless drop-in installation.
  • Heavy-Duty Construction: Manufactured with high-strength alloy/cast housing, precision-balanced impellers, and premium heat-resistant mechanical seals to resist corrosion and coolant leakage.
  • Optimal Thermal Protection: Ensures reliable coolant flow across engine blocks and cylinder heads to protect diesel engines against overheating, gasket failure, and thermal stress.

Technical Specifications

Parameter Specification
Primary Part Number 6684865
Replaces Part Number 6684866
Equipment Brand Bobcat
Product Type Engine Cooling Water Pump Assembly
Application Engine Cooling System Maintenance
Warranty 12 Months Warranty

Compatible Bobcat Models & Equipment

This premium replacement water pump is precision-engineered to fit the following Bobcat machinery platforms:

  • Bobcat Skid Steer Loaders: S150, S160, S175, S185, S205, S510, S530
  • Bobcat Compact Track Loaders: T180, T190
  • Bobcat Mini Excavators: 331, 334, 335, 337, 341, 430, 435, E42, E45, E50, E55
  • Bobcat Toolcat Work Machines: 5600, 5610

Key Applications

  • Cooling System Overhaul: Replaces worn, noisy, or leaking water pumps to restore proper coolant pressure and thermal exchange.
  • Overheating Prevention: Prevents engine overheating issues during heavy digging, loading, and high-ambient-temperature operations.
  • Fleet Preventive Maintenance: Ensures uninterrupted productivity and protects valuable Bobcat equipment from costly engine repair downtime.

Why Choose Our Bobcat Replacement Parts?

  • Strict Quality Standards: Manufactured under ISO 9001 quality guidelines and 100% factory leak-tested prior to dispatch.
  • Cost-Effective Aftermarket Option: Factory-direct pricing delivering identical performance and service life as original OEM units.
  • Global Express Shipping: Fully stocked and ready to dispatch worldwide to minimize jobsite downtime.
  • Comprehensive Support: Covered by a 12-month warranty with technical guidance from heavy machinery parts specialists.

Frequently Asked Questions (FAQ)

Q: Is this water pump a direct replacement for Bobcat part numbers 6684865 and 6684866?

A: Yes, this unit is a 100% direct-fit replacement engineered to match original dimensions, mounting points, and flow capability for Bobcat parts 6684865 and 6684866.

Q: Will this fit my Bobcat S175 skid loader or T190 track loader?

A: Yes, it is fully compatible with Bobcat S150, S175, S185, S205, T180, T190 loaders, as well as 331, 337, E50 excavators, and 5600 work machines.

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

A: Our 12-month warranty covers material defects, mechanical seal failure, and housing leakage under normal operating conditions.

Q: How fast can this pump be shipped?

A: In-stock orders are dispatched within 3–5 business days, with international air express shipping options available worldwide.


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