• Comes as a PAIR
    • Fits both LH (Driver Side) & RH (Passenger Side) FRONT UPPER
  • Complete assemblies
    • Includes ball joints & bushings
  • Direct replacements
  • Built to strict quality control standards

Part Details

  • Quantity: Pair

Lifetime Warranty

This item is backed by a Limited Lifetime Warranty. In the event this item should fail due to manufacturing defects during intended use, we will exchange the part free of charge (excludes shipping charges) for the original purchaser.

    We recommend an alignment after finishing this repair

  1. step : Removing the Wheel (0:49)
    • Loosen the lug nuts with the vehicle on the ground
    • Raise the vehicle with a floor jack
    • Secure the vehicle on jack stands
    • Remove the lug nuts
    • Pull off the wheel
  2. step : Removing the Control Arm (1:24)
    • Loosen the 18mm castle nut from the control arm
    • Place a pick fork between the knuckle and the control arm
    • Separate the ball joint from the steering knuckle with a hammer
    • Spray the ends of the bolts on the top of the control arm
    • Remove the 18mm bolts from the control arm
    • Stick an 8mm wrench to the bottom of the castle nut
    • Loosen the nut
    • Lock onto the stud with slip jaw pliers
    • Remove the castle nut
    • Pull the control arm out of the steering knuckle
    • Place a bungee cord around the strut and the knuckle
    • Remove the control arm
  3. step : Installing the Control Arm (4:49)
    • Insert the control arm into place and insert the 18mm bolts to the control arm
    • Remove the bungee cord
    • Insert the stub into the steering knuckle
    • Tighten the back 18mm bolts so that the washer is touching the control arm
    • Raise underneath the strut with a jack to simulate the ride height
    • Tighten the 18mm castle nut
    • Torque the two back bolts to 111 foot-pounds
    • Tighten the 18mm castle nut to 41 foot-pounds
  4. step : Reattaching the Wheel (8:00)
    • Slide the wheel into place
    • Start the lug nuts by hand
    • Tighten the lug nuts preliminarily
    • Lower the vehicle to the ground
    • Tighten the lug nuts to 100 foot-pounds in a crossing or star pattern

Tools needed for replacement:

    General Tools

  • Jack Stands
  • Hammer
  • Floor Jack

  • Materials, Fluids, and Supplies

  • Gloves
  • Rust Penetrant
  • Safety Glasses

  • Ratchets & Related

  • Ratchet
  • 1/2 Inch Breaker Bar

  • Screwdrivers & Related

  • Pry Bar

  • Sockets - Metric

  • Complete Metric Socket Set

  • Specialty Tools

  • Pickle Fork

  • Wrenches - Metric

  • Complete Metric Wrench Set

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Vehicle Fit

  • 2006-2010 Ford Explorer Front Upper Control Arm with Ball Joint Pair
  • 2007-2010 Ford Explorer Sport Trac Front Upper Control Arm with Ball Joint Pair
  • 2006-2010 Mercury Mountaineer Front Upper Control Arm with Ball Joint Pair

This part replaces:

  • Dorman 521-355
  • Dorman 521-356
  • Hollander 511-00343L
  • Hollander 511-00342R
  • OE # 6L2Z3085AA
  • OE # 6L2Z3084AA
  • Moog K80723
  • Moog K80722
Part #: 1ASFK00571

How-to Video:

(08:41 min)