Help bring back steady handling and a composed ride with the SKP Control Arm with Ball Joint, part number SK620064, a front left upper arm that arrives with its ball joint already installed. It is listed for several models from Toyota and Lexus, among them the 2003-2023 Toyota 4Runner, 2007-2014 Toyota FJ Cruiser and 2010-2023 Lexus GX460. See the "Vehicles it fits" section for the full list.
This control arm and ball joint assembly is a direct-fit replacement for the listed applications. The control arm connects the wheel assembly to the vehicle and lets the suspension move, and the ball joint gives the steering knuckle a pivot point for steering and suspension travel.
- Ball joint pre-installed: The assembly ships with the ball joint already fitted, which saves time and simplifies the repair.
- Built to OE specifications or better: SKP makes these assemblies from high-quality materials to OE specifications or better, and designs them to handle the demands of everyday driving.
- Handling and ride: Worn control arms and ball joints can contribute to loose handling and a bumpy ride. Replacing them helps return the suspension to proper function.
- Hardware where pictured: Installation hardware is included where it is shown in the product images.
Signs this part may need replacing include clunking over bumps, loose or wandering steering, and uneven tire wear. This listing is for the left-side unit. Replacing both sides together is recommended for balanced handling, and a wheel alignment is recommended after installation.
Interchange: 521-371 · M13-K620064B
1026325 · 521371 · 4806729225 · 486300K010 · 4863060020 · 4863060040 · CB74007 · RK620064 · CMS86114 · GS86114 · M13K620064B
This part cross-references / interchanges with the following part numbers:
1026325, 521371, 521-371, 4806729225, 486300K010, 4863060020, 4863060040, CB74007, RK620064, CMS86114, GS86114, M13-K620064B
Frequently Asked Questions
Is this one of the 2003-2023 Toyota 4Runner upper control arms?
It is listed as the front left upper control arm for the 2003-2023 Toyota 4Runner. Check the "Vehicles it fits" section to confirm your exact vehicle.
Does it also fit the 2007-2014 Toyota FJ Cruiser or 2010-2023 Lexus GX460?
Yes. It is listed for the 2007-2014 Toyota FJ Cruiser and the 2010-2023 Lexus GX460 in the front left upper position.
Is the ball joint already installed?
Yes. The ball joint comes pre-installed in the arm, so there is no separate ball joint to press in during the repair.
What signs mean a control arm or ball joint may need replacing?
Common signs include clunking over bumps, loose or wandering steering, and uneven tire wear. Have the suspension inspected to confirm the cause before you replace parts.
Is hardware included, and what should I do after installation?
SKP includes hardware where it is pictured, so check the product images. A wheel alignment is recommended after you replace a control arm.
