Specifications:

  • Includes Driver and Passenger Side
  • Includes inner bushings
  • New, not remanufactured or refurbished

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.

  1. step : Removing the Wheel (0:41)
    • Pry off the center cap with a flat blade screwdriver
    • 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 (1:03)
    • Apply penetrating oil to the 15mm bolt that holds the control arm to the steering knuckle Remove the 15mm bolt that holds the control arm to the steering knuckle
    • Pry the brake line from its clips with a flat blade screwdriver
    • Strike the control arm with a hammer to separate it from the steering knuckle
    • Secure the knuckle with wire ties, wire, or string
    • Apply penetrating oil to the two 21mm control arm bolts
    • Remove one 21mm bolt from the control arm
    • Loosen the other 21mm bolt
    • Push out the second 21mm bolt with a hammer and a flat blade screwdriver
    • Pull off the control arm
    • Strike the remaining bolt out of the control arm with a hammer
  3. step : Installing the New Control Arm (3:52)
    • Pry the brake line clips out of the control arm with a flat blade screwdriver
    • Push the new control arm into place
    • Start the two 21mm bolts into the control arm
    • Tighten the two 21mm bolts preliminarily
    • Remove whatever is securing the wheel knuckle
    • Put the control arm onto the wheel knuckle
    • Tap the control arm onto the wheel knuckle using a hammer
    • Start the 15mm bolt and nut that hold the control arm to the steering knuckle
    • Tighten the 15mm bolt to 50 foot-pounds of torque
    • Push the brake line clips onto the new control arm
    • Clip the brake line into the clips
  4. step : Reattaching the Wheel (6:11)
    • 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
    • Reattach the center cap

Tools needed for replacement:

    General Tools

  • Jack Stands
  • Floor Jack
  • Hammer

  • Materials, Fluids, and Supplies

  • Wire Ties
  • Rust Penetrant
  • Wire or String

  • Pliers, Cutters & misc Wrenches

  • Wire Cutters
  • Needle nose pliers

  • Ratchets & Related

  • Torque Wrench
  • Ratchet

  • Screwdrivers & Related

  • Flat Blade Screwdriver

  • Sockets - Metric

  • 15mm Socket
  • 19mm Socket

  • Wrenches - Metric

  • 21mm wrench
  • 15mm Wrench

4.8 / 5.0
6 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
5
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Parts
The parts were as described. Great fit easy installation. And good how to videos
July 6, 2018
Purchased
1 month ago
Upper control arm and ball joints for a 2002 GMC Envoy
The video was excellent doing the work was easy saved another 7 $150 in parts and labor by buying the parts through 1A Auto and watching their video
February 1, 2018
Purchased
6 months ago
Good product
Good quality part and a great price. Went on the Envoy with no issues and had the vehicle running smooth.
December 30, 2017
Purchased
8 months ago
UPPER CONTROL ARMS
Fit perfectly on 06 trailblazer looked identical to factory ones removed
November 20, 2017
Purchased
9 months ago
I like this product. Great fit and great price, more importantly, it fixed the problem.
September 12, 2017
Purchased
12 months ago
Control Arms for GMC Envoy
I installed the control arms on my 2004 GMC Envoy last weekend. I found that the 1A Auto video was very helpful for the passenger side. However, the video did not mention that the truck's body poses a significant challenge for removing the left bolt on the driver's side control arm. I read online that other driveway mechanics had been faced with the same problem. I don't intend to report how I addressed the problem, since I don't want to encourage others to use my very imperfect solution. It would help if 1A Auto updated its video to address this problem.
September 5, 2017
Purchased
11 months ago
Start typing your question and we'll check if it was already asked and answered. Learn More
Browse 1 question Browse 1 question and 6 answers
Are the control arm bushings press on?
Matthew P on Oct 12, 2017
BEST ANSWER: Yes. To remove lower strut mount, loosen nut holding strut to control arm until threads are even with outer edge of nut. Use prybar on lower strut mount to pry off strut while hitting the nut with a hammer. I found this technique on YouTube.

Vehicle Fit

Year Make Model Description
2004-2007Buick Rainier Buick Rainier Front Upper Control Arm with Ball Joint Pair
2002-2009Chevy Trailblazer Chevy Trailblazer Front Upper Control Arm with Ball Joint Pair
2002-2005Chevy Trailblazer EXT Chevy Trailblazer EXT Front Upper Control Arm with Ball Joint Pair
2002-2009GMC Envoy GMC Envoy Front Upper Control Arm with Ball Joint Pair
2003-2004GMC Envoy XL GMC Envoy XL Front Upper Control Arm with Ball Joint Pair
2003-2008Isuzu Ascender Isuzu Ascender Front Upper Control Arm with Ball Joint Pair
2002-2004Oldsmobile Bravada Olds Bravada Front Upper Control Arm with Ball Joint Pair
2005-2009Saab 9-7X Saab 9-7X Front Upper Control Arm with Ball Joint Pair

This part replaces:

  • Moog K6664
  • Moog K640293
  • Moog K640294
  • Hollander 511-01054R
  • Hollander 511-01055L
  • OE # 22157320
  • OE # 15858683, 25786775
  • OE # 15858682, 25786774
  • Dorman 520-143
  • Dorman 520-144
Part #: 1ASFK02083


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:

(07:28 min)