Part Details

  • Quantity: 8 Piece Set
  • Kit Includes:
    (2) Front Upper Control Arms with Ball Joints
    (2) Front Outer Tie Rods
    (2) Front Lower Control Arms with Ball Joints
    (2) Front Inner Tie Rods


  • Brand New Steering & Suspension Kit
  • Comes as an 8 Piece Kit
    • Fits LH (Driver Side) & RH (Passenger Side)
  • Direct replacements
  • Built to strict quality control standards


Our steering and suspension components come pre-greased, sealed for long life, and do not require the extra maintenance typically required by greasable versions.

Direct Fit

Application-specific, with no modifications required.

Rigorously Tested

Made from higher quality materials than the competition. Built to have a longer life in any environment or road conditions.

State of the Art Manufacturing

By the same factories that the OEMs use.

Prepackaged for Your Convenience

Carefully assembled to include all of the parts you need, saving time and money.

Item Condition: New

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.

Note: When replacing steering components, it is recommended to have a professional alignment performed on the vehicle afterwards. This will ensure proper tracking and even tire wear.

  1. step : Removing the Wheel (0:46)
    • 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 Sway Bar Links (1:13)
    • Hold the upper link stud with a 16mm wrench
    • Remove the lower nut from the link with a 16mm socket and ratchet
    • Remove the sway bar link
    • Tap the sway bar link out with a hammer if it's stuck
    • Remove the bushings and washers
  3. step : Removing the Control Arm (2:40)
    • Remove the 24mm bolt from the strut
    • Remove the 24mm lower ball joint nut
    • Strike the side of the steering knuckle with a hammer
    • Remove the 24mm nut fixed in the subframe on the rear of the lower control arm
    • Loosen the 30mm axle socket with a socket and 24mm wrench
    • Tap out the bolt
    • Pry the control arm down
    • Pry the control arm out of the steering knuckle
  4. step : Installing the Control Arm (4:46)
    • Install the lower ball joint into the knuckle
    • Hand-tighten the 24mm nut to the ball joint
    • Set the control arm into the frame
    • Set the rear bolts into the frame and control arm
    • Push down on the spindle
    • Line up the bottom strut bolt
    • Tighten the 24mm strut bolt
    • Tighten the 24mm bolt on the backside
    • Tighten the 30mm bolt on the backside
    • Torque the lower ball joint nut to 111 foot-pounds
    • Jack up underneath the knuckle to simulate the ride height
    • Torque the strut bolt to 248 foot-pounds
    • Torque the 30mm bolt to 296 foot pounds
    • Torque the back 24mm rear control arm to 148 foot-pounds
  5. step : Installing the Sway Bar Links (8:14)
    • Place a washer onto the link
    • Then a bushing
    • Place the link up through the control arm
    • Install a bushing with the tapered end down
    • Then a washer
    • Then the sleeve
    • Then a washer with the cup facing up
    • Then a bushing with the tapered end up
    • Insert the link into the sway bar
    • Install a bushing
    • Install a washer
    • Then tighten the nut with a 17mm wrench and a 16mm socket and ratchet
    • Lower the jack/weight from the suspension
  6. step : Reattaching the Wheel (9:43)
    • 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

  • Rust Penetrant
  • Safety Glasses
  • Gloves

  • Ratchets & Related

  • Ratchet
  • Socket Extensions
  • 1/2 Inch Breaker Bar

  • Screwdrivers & Related

  • Pry Bar

  • Sockets - Metric

  • 24mm Socket
  • 19mm Socket
  • 16mm Socket
  • 30mm Socket

  • Wrenches - Metric

  • 17mm Wrench

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Vehicle Fit

Year Make Model Description
2006-2010Ford Explorer Ford Explorer 8 Piece Set Steering & Suspension Kit
2007-2010Ford Explorer Sport Trac Ford Explorer Sport Trac 8 Piece Set Steering & Suspension Kit
2006-2010Mercury Mountaineer Mercury Mountaineer 8 Piece Set Steering & Suspension Kit

This part replaces:

  • Dorman 520-387
  • Dorman 520-388
  • Dorman 521-355
  • Dorman 521-356
  • Hollander 511-00343L
  • Hollander 511-00342R
  • Moog K80721
  • Moog K80720
  • Moog K80723
  • Moog K80722
  • Moog EV800278
  • Moog ES80786
  • OE # 7L2Z3280A
  • OE # 6L2Z3280A
  • OE # 6L2Z3A130AA
  • OE # AL2Z3A130A
  • OE # 6L2Z3085AA
  • OE # 7L2Z3079AB
  • OE # 7L2Z3078AB
  • OE # 6L2Z3084AA
Part #: 1ASFK03597

Order must be placed by 4pm ET

Get it in: 2 - 4 Business Days

Want it sooner? Choose Next Day Air at Checkout

How-to Video:

(10:28 min)