HomeDriveline and Axles > Service KitsMPA Electrical WH521000 Wheel Hub Repair Kit - Rear
Part #: WH521000

MPA Electrical WH521000 Wheel Hub Repair Kit - Rear

Rear
⚙️ 47 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Ford, Lincoln, and Mercury, Aviator, Explorer, Explorer Sport Trac, and Mountaineer
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Reliable Wheel Hub Repair Kit for Ford, Lincoln, and Mercury Vehicles

The MPA Electrical WH521000 Wheel Hub Repair Kit is designed to restore driveline performance for select Ford, Lincoln, and Mercury models. Engineered with precision, this new steel hub repair kit ensures proper fitment and durability for vehicles like the Ford Explorer and Lincoln Aviator.

Key Features of the WH521000 Wheel Hub Repair Kit

  • Flange offset of 2.605 inches for accurate alignment
  • Flange diameter measures 6.295 inches to match OEM specifications
  • Hub pilot diameter of 1.852 inches for secure mounting
  • Constructed from durable steel material for long-lasting use
  • Includes 29 splines and 5 studs for proper driveline connection
  • New product condition ensuring reliable performance
  • Compatible with Ford Explorer, Explorer Sport Trac, Lincoln Aviator, and Mercury Mountaineer

Detailed Description of the MPA Electrical WH521000

This wheel hub repair kit is specifically designed for driveline and axle service on Ford, Lincoln, and Mercury vehicles. The steel construction provides strength and resistance to wear, while the precise flange offset and diameter ensure proper fitment and alignment. With 29 splines and 5 studs, the WH521000 maintains the integrity of the wheel hub assembly, supporting smooth rotation and vehicle stability. This kit does not include a gasket or seal and is not greaseable, so it is intended for applications where these components are serviced separately.

Common Applications and Issues Addressed

  • Replacement of worn or damaged wheel hub components on Ford Explorer and Lincoln Aviator
  • Restoring driveline stability and reducing wheel vibration
  • Addressing noise or roughness caused by hub wear in Mercury Mountaineer
  • Repairing spline or stud damage to maintain secure wheel attachment
  • Improving overall wheel hub performance in Explorer Sport Trac models

Installation Notes and Tips

Ensure compatibility with your specific vehicle model and year before installation. The WH521000 requires proper torque specifications for the studs and should be installed following manufacturer guidelines. Since this kit does not include seals or grease fittings, inspect and service those components separately to maintain optimal hub function.

Quality Assurance and Warranty Information

MPA Electrical provides this wheel hub repair kit in new condition, manufactured to meet OEM standards for fit and function. While no specific warranty details are provided, the use of high-quality steel and precise manufacturing processes supports reliable performance for driveline repairs on compatible Ford, Lincoln, and Mercury vehicles.

BrandMPA Electrical
Part NumberWH521000
Flange Offset2.605
Flange Diameter Inch6.295
Gasket or Seal IncludedNo
GreaseableNo
Hub Pilot Diameter Inch1.852
MaterialSteel
Product ConditionNew
Spline Quantity29
Stud Quantity5

This part fits 47 vehicles. Search below:

YearMakeModel# DoorsLitersCylindersPositionNotes
2010FordExplorer4 Door4.6LV8RearWheel Hub Repair Kit; Axle Nut Torque Spec: 203 ft-lbs / 275Nm
2010FordExplorer4 Door4.0LV6RearWheel Hub Repair Kit; Axle Nut Torque Spec: 203 ft-lbs / 275Nm
2010FordExplorer Sport Trac4.6LV8RearWheel Hub Repair Kit; Axle Nut Torque Spec: 203 ft-lbs / 275Nm
2010FordExplorer Sport Trac4.0LV6RearWheel Hub Repair Kit; Axle Nut Torque Spec: 203 ft-lbs / 275Nm
2010MercuryMountaineer4.6LV8RearWheel Hub Repair Kit; Axle Nut Torque Spec: 203 ft-lbs / 275Nm
2010MercuryMountaineer4.0LV6RearWheel Hub Repair Kit; Axle Nut Torque Spec: 203 ft-lbs / 275Nm
2009FordExplorer4 Door4.6LV8RearWheel Hub Repair Kit; Axle Nut Torque Spec: 203 ft-lbs / 275Nm
2009FordExplorer4 Door4.0LV6RearWheel Hub Repair Kit; Axle Nut Torque Spec: 203 ft-lbs / 275Nm
2009FordExplorer Sport Trac4.6LV8RearWheel Hub Repair Kit; Axle Nut Torque Spec: 203 ft-lbs / 275Nm
2009FordExplorer Sport Trac4.0LV6RearWheel Hub Repair Kit; Axle Nut Torque Spec: 203 ft-lbs / 275Nm
2009MercuryMountaineer4.6LV8RearWheel Hub Repair Kit; Axle Nut Torque Spec: 203 ft-lbs / 275Nm
2009MercuryMountaineer4.0LV6RearWheel Hub Repair Kit; Axle Nut Torque Spec: 203 ft-lbs / 275Nm
2008FordExplorer4 Door4.6LV8RearWheel Hub Repair Kit; Axle Nut Torque Spec: 203 ft-lbs / 275Nm
2008FordExplorer4 Door4.0LV6RearWheel Hub Repair Kit; Axle Nut Torque Spec: 203 ft-lbs / 275Nm
2008FordExplorer Sport Trac4.6LV8RearWheel Hub Repair Kit; Axle Nut Torque Spec: 203 ft-lbs / 275Nm
2008FordExplorer Sport Trac4.0LV6RearWheel Hub Repair Kit; Axle Nut Torque Spec: 203 ft-lbs / 275Nm
2008MercuryMountaineer4.6LV8RearWheel Hub Repair Kit; Axle Nut Torque Spec: 203 ft-lbs / 275Nm
2008MercuryMountaineer4.0LV6RearWheel Hub Repair Kit; Axle Nut Torque Spec: 203 ft-lbs / 275Nm
2007FordExplorer4 Door4.6LV8RearWheel Hub Repair Kit; Axle Nut Torque Spec: 203 ft-lbs / 275Nm
2007FordExplorer4 Door4.0LV6RearWheel Hub Repair Kit; Axle Nut Torque Spec: 203 ft-lbs / 275Nm
2007FordExplorer Sport Trac4.6LV8RearWheel Hub Repair Kit; Axle Nut Torque Spec: 203 ft-lbs / 275Nm
2007FordExplorer Sport Trac4.0LV6RearWheel Hub Repair Kit; Axle Nut Torque Spec: 203 ft-lbs / 275Nm
2007MercuryMountaineer4.6LV8RearWheel Hub Repair Kit; Axle Nut Torque Spec: 203 ft-lbs / 275Nm
2007MercuryMountaineer4.0LV6RearWheel Hub Repair Kit; Axle Nut Torque Spec: 203 ft-lbs / 275Nm
2006FordExplorer4 Door4.6LV8RearWheel Hub Repair Kit; Axle Nut Torque Spec: 203 ft-lbs / 275Nm
2006FordExplorer4 Door4.0LV6RearWheel Hub Repair Kit; Axle Nut Torque Spec: 203 ft-lbs / 275Nm
2006MercuryMountaineer4.6LV8RearWheel Hub Repair Kit; Axle Nut Torque Spec: 203 ft-lbs / 275Nm
2006MercuryMountaineer4.0LV6RearWheel Hub Repair Kit; Axle Nut Torque Spec: 203 ft-lbs / 275Nm
2005FordExplorer4 Door4.6LV8RearWheel Hub Repair Kit; Axle Nut Torque Spec: 203 ft-lbs / 275Nm
2005FordExplorer4 Door4.0LV6RearWheel Hub Repair Kit; Axle Nut Torque Spec: 203 ft-lbs / 275Nm
2005LincolnAviator4.6LV8RearWheel Hub Repair Kit; Axle Nut Torque Spec: 203 ft-lbs / 275Nm
2005MercuryMountaineer4.6LV8RearWheel Hub Repair Kit; Axle Nut Torque Spec: 203 ft-lbs / 275Nm
2005MercuryMountaineer4.0LV6RearWheel Hub Repair Kit; Axle Nut Torque Spec: 203 ft-lbs / 275Nm
2004FordExplorer4 Door4.6LV8RearWheel Hub Repair Kit; Axle Nut Torque Spec: 203 ft-lbs / 275Nm
2004FordExplorer4 Door4.0LV6RearWheel Hub Repair Kit; Axle Nut Torque Spec: 203 ft-lbs / 275Nm
2004LincolnAviator4.6LV8RearWheel Hub Repair Kit; Axle Nut Torque Spec: 203 ft-lbs / 275Nm
2004MercuryMountaineer4.6LV8RearWheel Hub Repair Kit; Axle Nut Torque Spec: 203 ft-lbs / 275Nm
2004MercuryMountaineer4.0LV6RearWheel Hub Repair Kit; Axle Nut Torque Spec: 203 ft-lbs / 275Nm
2003FordExplorer4 Door4.6LV8RearWheel Hub Repair Kit; Axle Nut Torque Spec: 203 ft-lbs / 275Nm
2003FordExplorer4 Door4.0LV6RearWheel Hub Repair Kit; Axle Nut Torque Spec: 203 ft-lbs / 275Nm
2003LincolnAviator4.6LV8RearWheel Hub Repair Kit; Axle Nut Torque Spec: 203 ft-lbs / 275Nm
2003MercuryMountaineer4.6LV8RearWheel Hub Repair Kit; Axle Nut Torque Spec: 203 ft-lbs / 275Nm
2003MercuryMountaineer4.0LV6RearWheel Hub Repair Kit; Axle Nut Torque Spec: 203 ft-lbs / 275Nm
2002FordExplorer4 Door4.6LV8RearWheel Hub Repair Kit; Axle Nut Torque Spec: 203 ft-lbs / 275Nm
2002FordExplorer4 Door4.0LV6RearWheel Hub Repair Kit; Axle Nut Torque Spec: 203 ft-lbs / 275Nm
2002MercuryMountaineer4.6LV8RearWheel Hub Repair Kit; Axle Nut Torque Spec: 203 ft-lbs / 275Nm
2002MercuryMountaineer4.0LV6RearWheel Hub Repair Kit; Axle Nut Torque Spec: 203 ft-lbs / 275Nm

* 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:

192359831L2Z1109AA2HR210003C5Z1104AA

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