GMB 125-0003 Engine Water Pump with Fan Clutch

Brand GMB 125-0003
Gaskets Included No
Item Grade Oem standard
Material Metal
Product Condition New
Pulley Included N
Fits Ford and Mazda · 23 vehicles

OEM standard. Manufactured to meet or exceed OEM specifications.

Metal construction. Durable water pump and fan clutch assembly.

Cross-references US Motor Works MCK1012 and 1250003 for the same application. See all 2.

$138.22Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $138.22
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Engine Water Pump with Fan Clutch for Ford and Mazda

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, OEM standard metal replacement for select Ford Explorer, Ford Ranger, Mazda B4000, and Mazda Navajo applications.

Key Features

  • Part number 125-0003 for direct catalog identification
  • Engine water pump with fan clutch assembly
  • OEM standard grade construction
  • Metal housing for durability in cooling system service
  • New product condition
  • Designed without pulley and without gaskets included
  • Thermal fan clutch application with counter clockwise (reverse) rotation

Detailed Description

GMB 125-0003 is an engine water pump with fan clutch engineered for cooling system replacement on 1990-1997 Ford Ranger, 1991-1997 Ford Explorer, 1991-1994 Mazda Navajo, and 1994-1997 Mazda B4000 models. Manufactured to meet or exceed OEM specifications, this metal replacement supports proper coolant circulation and fan clutch operation in severe-duty applications, including Mazda B4000 models with super cooling. This part cross-references US Motor Works MCK1012 for the same application.

What This Part Helps Address

  • Coolant circulation problems caused by a worn water pump
  • Fan clutch performance issues that affect engine cooling
  • Overheating concerns in severe-duty cooling applications
  • Noise or wear associated with aging cooling system components
  • Cooling system service needs on Ford Explorer and Ford Ranger platforms

Installation Notes and Tips

Verify engine configuration, fan rotation, and cooling package before installation. This unit is listed with thermal fan clutch, counter clockwise (reverse) rotation, and severe-duty notes for the applicable Ford and Mazda vehicles. Gaskets are not included, and the pulley is not included, so confirm all required related parts are on hand before beginning service. Follow factory service procedures for coolant draining, component alignment, and refill/bleed steps.

Quality Assurance

GMB manufactures this replacement to OEM standard specifications for consistent fit and function in the listed applications. Part number 125-0003 is a new component built for cooling system service on confirmed Ford and Mazda fitments.

This part fits 23 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelTransmissionLitersCylindersPositionNotes
1997FordExplorer4.0LV6N/AThermal Fan Clutch; Counter Clockwise (Reverse) Rotation; Severe Duty
1997FordRanger4.0LV6N/AThermal Fan Clutch; Counter Clockwise (Reverse) Rotation; Severe Duty
1997MazdaB4000N/AThermal Fan Clutch; Counter Clockwise (Reverse) Rotation; Severe Duty; w/ Super Cooling
1996FordExplorer4.0LV6N/AThermal Fan Clutch; Counter Clockwise (Reverse) Rotation; Severe Duty
1996FordRanger4.0LV6N/AThermal Fan Clutch; Counter Clockwise (Reverse) Rotation; Severe Duty
1996MazdaB4000N/AThermal Fan Clutch; Counter Clockwise (Reverse) Rotation; Severe Duty; w/ Super Cooling
1995FordExplorer4.0LV6N/AThermal Fan Clutch; Counter Clockwise (Reverse) Rotation; Severe Duty
1995FordRanger4.0LV6N/AThermal Fan Clutch; Counter Clockwise (Reverse) Rotation; Severe Duty
1995MazdaB4000N/AThermal Fan Clutch; Counter Clockwise (Reverse) Rotation; Severe Duty; w/ Super Cooling
1994FordExplorerAutomatic4.0LV6N/AThermal Fan Clutch; Counter Clockwise (Reverse) Rotation; Severe Duty
1994FordRanger4.0LV6N/AThermal Fan Clutch; Counter Clockwise (Reverse) Rotation; Severe Duty
1994MazdaB4000N/AThermal Fan Clutch; Counter Clockwise (Reverse) Rotation; Severe Duty; w/ Super Cooling
1994MazdaNavajoN/AThermal Fan Clutch; Counter Clockwise (Reverse) Rotation; Severe Duty
1993FordExplorerAutomatic4.0LV6N/AThermal Fan Clutch; Counter Clockwise (Reverse) Rotation; Severe Duty
1993FordRanger4.0LV6N/AThermal Fan Clutch; Counter Clockwise (Reverse) Rotation; Severe Duty
1993MazdaNavajoN/AThermal Fan Clutch; Counter Clockwise (Reverse) Rotation; Severe Duty
1992FordExplorerAutomatic4.0LV6N/AThermal Fan Clutch; Counter Clockwise (Reverse) Rotation; Severe Duty
1992FordRanger4.0LV6N/AThermal Fan Clutch; Counter Clockwise (Reverse) Rotation; Severe Duty
1992MazdaNavajoN/AThermal Fan Clutch; Counter Clockwise (Reverse) Rotation; Severe Duty
1991FordExplorerAutomatic4.0LV6N/AThermal Fan Clutch; Counter Clockwise (Reverse) Rotation; Severe Duty
1991FordRanger4.0LV6N/AThermal Fan Clutch; Counter Clockwise (Reverse) Rotation; Severe Duty
1991MazdaNavajoN/AThermal Fan Clutch; Counter Clockwise (Reverse) Rotation; Severe Duty
1990FordRanger4.0LV6N/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 — MCK10121250003