Water Pump 6660992 for Bobcat 533 543 Isuzu-Engine Skid Steers
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Compatible Models
We do our best to list all compatible models. Although this may be the part you need, your exact model may not appear below.
| Bobcat 533 |
| Bobcat 543 (applicable serial ranges) |
| Isuzu G201/C221/C240 related applications |
Product Overview
Coolant leakage, fan/pulley wobble, rough bearings or overheating are signs that the water pump may be worn.
The water pump is one of the main circulation points in the cooling system. When its seal, bearing or impeller wears, the engine may run hotter than normal or lose coolant. Replacing it before severe overheating helps protect the cylinder head, head gasket and other heat-sensitive engine components.
Key Features & Performance
- Restores coolant circulation through the engine and radiator
- Helps control engine temperature during sustained load and low-speed operation
- Direct service replacement format for the listed cooling-system application
Technical Specifications
| Water pump with hub/gasket application | |
| Isuzu-engine cooling system |
Replaces / Cross-References
6660992, Z8943768300, 5-13610-038-1, 5-13610-038-2, 5-13610-038-3
Common Reasons for Replacement
- Coolant leaking from the pump or weep area
- Bearing noise, pulley wobble or shaft play
- Engine temperature rising under normal load
- Cooling system serviced after pump damage or corrosion
Fitment Notes
Bobcat 543 fitment can depend on serial number. Verify 6660992 and the original Isuzu-engine pump before ordering.
Frequently Asked Questions
How should I verify fitment?
Bobcat 543 fitment can depend on serial number. Verify 6660992 and the original Isuzu-engine pump before ordering.
Is this an OEM part?
This listing is for a new replacement part. It is not represented as the original manufacturer's branded part unless the product listing specifically states otherwise.
What should I check before installation?
Compare the replacement with the removed part before installation, correct any related wiring, hose, mounting or system problems, and follow the equipment manufacturer's service procedures.