HomeBelts and Cooling > Water Pump and Related ComponentsGMB 125-1800 Engine Water Pump
Part #: 125-1800

GMB 125-1800 Engine Water Pump

⚙️ 7 vehicles fit this part
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Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Ford and Mercury, Mustang, Thunderbird, and Cougar
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Reliable Engine Water Pump for Ford and Mercury Vehicles

The GMB 125-1800 engine water pump is designed to maintain optimal engine temperature in select Ford and Mercury models. Engineered with OEM standard quality, this new aluminum water pump includes essential gaskets for a complete installation.

  • Compatible with Ford Mustang, Cougar, and Thunderbird models
  • Constructed from durable aluminum material
  • Includes 1 paper gasket and 1 o-ring for proper sealing
  • Meets OEM standard item grade for reliable performance
  • New product condition, ready for installation
  • Does not include pulley

Durable Construction and Included Components

This GMB engine water pump (part number 125-1800) features a robust aluminum housing that resists corrosion and heat, ensuring long-lasting operation. The package includes a paper gasket and an o-ring to provide a secure seal and prevent coolant leaks. Designed to meet OEM standards, this water pump supports the cooling system's efficiency in Ford Mustang, Mercury Cougar, and Thunderbird vehicles.

Application and Problem Resolution

This water pump is intended for use in the cooling systems of specific Ford and Mercury models. It helps address common engine cooling issues such as:

  • Overheating caused by a failing water pump
  • Coolant leaks due to worn or damaged seals
  • Reduced coolant circulation affecting engine temperature regulation
  • Noise or bearing failure within the water pump assembly

Installation Notes and Tips

When installing the GMB 125-1800 water pump, ensure the engine is cool and the cooling system is properly drained. Use the included paper gasket and o-ring to achieve a tight seal and prevent leaks. Verify compatibility with your specific Ford Mustang, Mercury Cougar, or Thunderbird model year before installation. Note that the pulley is not included and must be reused or replaced separately if needed.

Quality Assurance and Warranty

GMB manufactures this engine water pump to meet OEM standards, providing reliable performance and durability. The product is new and includes all necessary sealing components. Please refer to GMB's warranty policy for coverage details, ensuring confidence in your purchase of part number 125-1800 for your Ford or Mercury vehicle.

BrandGMB
Part Number125-1800
Gaskets IncludedYes
Item GradeOEM Standard
MaterialAluminum
Package Contents1 PAPER GASKET, 1 O-RING
Product ConditionNew
Pulley IncludedNo

This part fits 7 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1995FordMustang3.8LV6N/AEngine Water Pump for OEM replacement applications
1995FordMustang5.8LV8N/AEngine Water Pump for OEM replacement applications
1995FordThunderbird3.8LV6N/AEngine Water Pump for OEM replacement applications
1995MercuryCougar3.8LV6N/AEngine Water Pump for OEM replacement applications
1994FordMustang3.8LV6N/AEngine Water Pump for OEM replacement applications
1994FordThunderbird3.8LV6N/AEngine Water Pump for OEM replacement applications
1994MercuryCougar3.8LV6N/AEngine Water Pump for OEM replacement applications

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

1039712518001600680101813732282423252479260497131408140998A42090430625117135850598146AW4090C251800CP4090CWP9032ELGWP4090FP2308GWF80AMBA08962NP014090NP1577P962PW312RFF4SE8505ABT3107US4090W1309WH7095WP245WP968

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.