HomeBelts and Cooling > Water Pump and Related ComponentsDorman 300-942 Engine Water Pump Pulley
Part #: 300-942

Dorman 300-942 Engine Water Pump Pulley

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⚙️ 65 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Ford and Mercury, Ranger, Explorer, Explorer Sport Trac, Mustang, and Mountaineer
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Durable Engine Water Pump Pulley for Ford and Mercury Vehicles

The Dorman 300-942 engine water pump pulley is designed to provide reliable performance for select Ford and Mercury models. Constructed from steel with a black finish, this serpentine pulley offers a standard replacement option for maintaining your vehicle's cooling system efficiency.

Key Features of the Dorman 300-942 Water Pump Pulley

  • Material: High-quality steel (acero) for strength and durability
  • Color: Black finish for corrosion resistance and a clean look
  • Pulley Type: Serpentine design compatible with serpentine belts
  • Attachment Type: Bolt-on installation with 4 bolt holes (0.35 in diameter each)
  • Dimensions: 4.62 inches diameter and width, 1.83 inches depth
  • Grade Type: Standard replacement part meeting OEM specifications

Detailed Description and Specifications

The Dorman 300-942 engine water pump pulley is engineered to fit specific Ford and Mercury vehicles, including the Explorer, Explorer Sport Trac, Mountaineer, Mustang, and Ranger models. Its steel construction ensures long-lasting durability under engine operating conditions. The black coating helps resist rust and wear, maintaining the pulley’s integrity over time. Designed as a bolt-on component, it features four bolt holes with a diameter of 0.35 inches, allowing for secure attachment to the water pump assembly. The serpentine pulley type is compatible with serpentine belts, commonly used in these vehicle models for efficient power transmission.

Common Applications and Issues Addressed

  • Replacement of worn or damaged water pump pulleys in Ford Explorer and Mercury Mountaineer
  • Resolving belt slippage or misalignment caused by pulley wear
  • Addressing noise or vibration issues related to pulley failure
  • Maintaining proper belt tension and engine cooling system performance
  • Ensuring compatibility with serpentine belt systems on Mustang and Ranger vehicles

Installation Notes and Tips

The Dorman 300-942 pulley is designed for bolt-on installation; however, installation hardware and instructions are not included. It is recommended to use the existing bolts or acquire OEM-grade hardware to ensure proper fitment. Before installation, inspect the water pump and belt for wear to avoid premature failure. Proper torque specifications should be followed to secure the pulley without causing damage.

Quality Assurance and Warranty Information

Dorman parts are manufactured to meet or exceed OEM standards, providing a reliable standard replacement option. While installation hardware and instructions are not included, the 300-942 pulley undergoes quality checks to ensure fit and function. Please refer to Dorman’s warranty policy for specific coverage details.

This part fits 65 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2011FordRanger4.0LV6N/A
2010FordExplorer4.0LV6N/A
2010FordExplorer Sport Trac4.0LV6N/A
2010FordMustang4.0LV6N/A
2010FordRanger4.0LV6N/A
2010MercuryMountaineer4.0LV6N/A
2009FordExplorer4.0LV6N/A
2009FordExplorer Sport Trac4.0LV6N/A
2009FordMustang4.0LV6N/A
2009FordRanger4.0LV6N/A
2009MercuryMountaineer4.0LV6N/A
2008FordExplorer4.0LV6N/A
2008FordExplorer Sport Trac4.0LV6N/A
2008FordMustang4.0LV6N/A
2008FordRanger4.0LV6N/A
2008MercuryMountaineer4.0LV6N/A
2007FordExplorer4.0LV6N/A
2007FordExplorer Sport Trac4.0LV6N/A
2007FordMustang4.0LV6N/A
2007FordRanger4.0LV6N/A
2007MercuryMountaineer4.0LV6N/A
2006FordExplorer4.0LV6N/A
2006FordMustang4.0LV6N/A
2006FordRanger4.0LV6N/A
2006MercuryMountaineer4.0LV6N/A
2005FordExplorer4.0LV6N/A
2005FordExplorer Sport TracN/A
2005FordMustang4.0LV6N/A
2005FordRanger4.0LV6N/A
2005MercuryMountaineer4.0LV6N/A
2004FordExplorer4.0LV6N/A
2004FordExplorer Sport TracN/A
2004FordRanger4.0LV6N/A
2004MercuryMountaineer4.0LV6N/A
2003FordExplorer4.0LV6N/A
2003FordExplorer Sport TracN/A
2003FordRanger4.0LV6N/A
2003MercuryMountaineer4.0LV6N/A
2002FordExplorer4.0LV6N/A
2002FordExplorer Sport TracN/A
2002FordRanger4.0LV6N/A
2002MercuryMountaineer4.0LV6N/A
2001FordExplorer4.0LV6N/A
2001FordExplorer Sport TracN/A
2001FordRanger4.0LV6N/A
2001MercuryMountaineer4.0LV6N/A
2000FordExplorer4.0LV6N/A
2000FordRanger4.0LV6N/A
2000MercuryMountaineer4.0LV6N/A
1999FordExplorer4.0LV6N/A
1999FordRanger4.0LV6N/A
1999MercuryMountaineer4.0LV6N/A
1998FordExplorer4.0LV6N/A
1998FordRanger4.0LV6N/A
1998MercuryMountaineer4.0LV6N/A
1997FordExplorer4.0LV6N/A
1997FordRanger4.0LV6N/A
1996FordExplorer4.0LV6N/A
1996FordRanger4.0LV6N/A
1995FordExplorerN/A
1995FordRanger4.0LV6N/A
1994FordExplorerN/A
1994FordRanger4.0LV6N/A
1993FordExplorerN/AFrom 2/93
1993FordRanger4.0LV6N/A

* 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:

6L2Z8509AA

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