Help keep the rear wheels properly aligned with the Dorman OE Solutions Toe Compensator Link / Lateral Arm, part number 521-642. This suspension link helps locate the rear wheel and hold the rear toe setting as the suspension moves. It fits many vehicles, among them the 2007-2017 Jeep Compass, 2007-2017 Jeep Patriot and 2007-2012 Dodge Caliber. See the "Vehicles it fits" section for the full list and engine details.
It is cataloged for the rear lower forward position on both the left and right sides. The part is listed under two names, toe compensator link and lateral arm.
- Direct replacement: designed to fit and perform like the original equipment on the listed applications.
- Reliable fit: precision-engineered to follow the design and dimensions of the original components.
- Durable construction: built to strict standards from sturdy, safe materials.
- Rigorously tested: goes through thorough quality-control checks aimed at long service.
Signs this arm may need replacing include clunking or knocking from the rear over bumps, uneven or feathered rear tire wear, a vehicle that wanders, or an alignment that won't stay in spec. If a worn or damaged lateral arm is the cause, this part replaces it. Replacing both sides together is recommended for balanced handling. Have the wheel alignment checked after installation, and consult the vehicle service information for the correct fasteners and whether they may be reused.
Interchange: 800-596468
800596468 · 5105270AA · 5105270AB · 5105270AC · 5105270AD · TC5682 · TC6214 · CA2189 · 1CB80189 · K641226 · RK641226 · RK641774 · GS251006 · CMS251006 · CMS801136 · MN100109 · 2606515 · 1CB25122 · 1506081 · X13LA0099 · X33SL7654 · JTC2328 · V330106
This part cross-references / interchanges with the following part numbers:
800-596468, 5105270AA, 5105270AB, 5105270AC, 5105270AD, TC5682, TC6214, CA2189, 1CB80189, K641226, RK641226, RK641774, GS251006, CMS251006, CMS801136, MN100109, 2606515, 1CB25122, 1506081, X13LA0099, X33SL7654, JTC2328, V330106
Frequently Asked Questions
What does a toe compensator link / lateral arm do?
It is a rear suspension link that helps locate the wheel and hold the rear toe setting as the suspension moves through its travel.
Which vehicles does Dorman 521-642 fit?
It fits many vehicles, including the 2007-2017 Jeep Compass, 2007-2017 Jeep Patriot and 2007-2012 Dodge Caliber. Check the "Vehicles it fits" section for the full list.
Which position does this lateral arm install in?
It is cataloged for the rear lower forward position on both the left and right sides of the listed applications.
What are signs the lateral arm may need replacing?
Signs include clunking from the rear over bumps, uneven rear tire wear, wandering, or an alignment that won't hold. Diagnose the cause before replacing the arm.
Do I need an alignment after installing it?
Yes. This arm affects rear toe, so having the wheel alignment checked after installation is recommended. Follow the vehicle service information for fasteners and torque.
