Control Arm with Ball Joint Pair - 1ASFK00571

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Vehicle Fit

Part Details

  • Quantity:   Pair


  • 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

Our control arms are designed to be direct replacements for the original factory parts.  They are 100% brand new and require no modifications for installation.  No special tools are required because all of the bushings come pre-installed.

Item Condition: New

Attention California Customers:

WARNING:  This product can expose you to chemicals including Chromium (Hexavalent Compounds), which is known to the State of California to cause cancer, and birth defects or other reproductive harm.  For more information, go to

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

5.00/ 5.0
5 Stars
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1 Star
Upper control arms 07 explorer
I can not say enough about this company!! Fantastic customer service and great prices!! I’ll never buy anything from the big stores again!!!
December 13, 2018
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Year Make Model Description
2006-2010Ford Explorer Ford Explorer Front Upper Control Arm with Ball Joint Pair
2007-2010Ford Explorer Sport Trac Ford Explorer Sport Trac Front Upper Control Arm with Ball Joint Pair
2006-2010Mercury Mountaineer Mercury Mountaineer Front Upper Control Arm with Ball Joint Pair
Part #: 1ASFK00571

Order must be placed by 4pm ET
Delivery options for:

Estimated Arrival Cost

Deliveries made to PO Boxes and FPO may take longer. See our Shipping & Delivery for more information.

Get it in: 2 - 4 Business Days

Want it sooner? Choose Next Day Air at Checkout

How-to Video:

(08:41 min)