GMB 125-0020 Engine Water Pump with Fan Clutch

Brand GMB 125-0020
Gaskets Included No
Item Grade Oem standard
Material Metal
Product Condition New
Pulley Included N
Fits Ford and Mercury · 10 vehicles

OEM-standard quality. Manufactured to meet or exceed OEM specifications.

Metal construction. Built with durable metal for dependable cooling performance.

Water pump with fan clutch. A complete cooling component for engine circulation and airflow control.

Cross-references US Motor Works MCK1029 and 1250020 for the same application. See all 2.

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Engine Water Pump with Fan Clutch for Ford Explorer and Mercury Mountaineer

This GMB engine water pump with fan clutch is built to meet or exceed OEM specifications for dependable cooling system service. It is a new, metal, OEM standard replacement for 2002-2006 Ford Explorer and 2002-2006 Mercury Mountaineer applications with thermal fan clutch, counter clockwise (reverse) rotation, and severe duty requirements.

Key Features

  • Brand: GMB
  • Part number: 125-0020
  • Engine water pump with fan clutch assembly
  • New product condition
  • OEM standard item grade
  • Metal construction
  • Manufactured to meet or exceed OEM specifications
  • No gasket included
  • Pulley not included

Detailed Description

GMB 125-0020 is an OEM-standard cooling system replacement for Ford Explorer and Mercury Mountaineer models equipped with a thermal fan clutch and counter clockwise rotation. The metal construction supports consistent operation in severe duty cooling applications, while the OE-spec manufacturing approach helps maintain proper coolant circulation and fan clutch performance. If you are replacing a worn water pump on a 2002-2006 Ford Explorer or 2002-2006 Mercury Mountaineer, this part number 125-0020 provides a direct-fit service option for the listed vehicles. This part cross-references US Motor Works MCK1029 for the same application.

Common Problems This Part Can Address

  • Coolant leaks from a worn water pump housing or seal area
  • Overheating caused by reduced coolant circulation
  • Fan clutch performance issues affecting engine cooling
  • Noise from a failing cooling system pump assembly
  • Cooling system wear in severe duty driving conditions

Installation Notes and Tips

Verify engine configuration, fan clutch rotation, and vehicle application before installation. Inspect the cooling system, hoses, thermostat, and related components for wear while servicing the pump. Because gaskets are not included, confirm the correct sealing components are on hand before beginning the repair. Follow factory service procedures for torque values, coolant refill, and air bleeding to help ensure proper operation after installation.

Quality Assurance

GMB manufactures this water pump and fan clutch assembly to meet or exceed OEM specifications, with OEM standard grading for replacement use in the listed Ford Explorer and Mercury Mountaineer applications. Part number 125-0020 is built as a new replacement component for cooling system service.

This part fits 10 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2006FordExplorer4.6LV8N/AThermal Fan Clutch; Counter Clockwise (Reverse) Rotation; Severe Duty
2006MercuryMountaineer4.6LV8N/AThermal Fan Clutch; Counter Clockwise (Reverse) Rotation; Severe Duty
2005FordExplorer4.6LV8N/AThermal Fan Clutch; Counter Clockwise (Reverse) Rotation; Severe Duty
2005MercuryMountaineer4.6LV8N/AThermal Fan Clutch; Counter Clockwise (Reverse) Rotation; Severe Duty
2004FordExplorer4.6LV8N/AThermal Fan Clutch; Counter Clockwise (Reverse) Rotation; Severe Duty
2004MercuryMountaineer4.6LV8N/AThermal Fan Clutch; Counter Clockwise (Reverse) Rotation; Severe Duty
2003FordExplorer4.6LV8N/AThermal Fan Clutch; Counter Clockwise (Reverse) Rotation; Severe Duty
2003MercuryMountaineer4.6LV8N/AThermal Fan Clutch; Counter Clockwise (Reverse) Rotation; Severe Duty
2002FordExplorer4.6LV8N/AThermal Fan Clutch; Counter Clockwise (Reverse) Rotation; Severe Duty
2002MercuryMountaineer4.6LV8N/AThermal Fan Clutch; Counter Clockwise (Reverse) Rotation; Severe Duty
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
US Motor Works — MCK10291250020