Dorman - OE Solutions Suspension Trailing Arm 521-838
Dorman - OE Solutions Suspension Trailing Arm 521-838 - view 2
Dorman - OE Solutions Suspension Trailing Arm 521-838
Dorman - OE Solutions Suspension Trailing Arm 521-838 - view 2

Rear Trailing Arm for 1990-1994 Mazda 323 & More - Dorman 521-838

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$34.99
MPN: 521-838
Item Package Quantity: 1
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Dorman - OE Solutions Suspension Trailing Arm P/N:521-838
Dorman - OE Solutions Suspension Trailing Arm P/N:521-838
$34.99

Help keep your rear wheels located and tracking true with the Dorman suspension trailing arm 521-838, a direct-fit rear replacement for the 1990-1994 Mazda 323 and 1990-1994 Mazda Protege. This rear trailing arm helps locate the wheel and control its movement as the suspension travels. Dorman designed it to fit and function like the original equipment part. See the Buyer's Guide tab for engine and trim details.

Dorman engineered this trailing arm with passenger safety in mind and put it through rigorous testing for secure performance. Its evaluation process is intended to support a smooth ride and predictable handling.

  • Direct replacement: designed to fit and function like the original equipment part on the listed applications.
  • Quality construction: made from the same materials as the original equipment for safety and reliability.
  • Protective finish: provides corrosion resistance.
  • Quality tested: tested for proper fit and performance.

A rear trailing arm may need replacing if you notice clunking or knocking from the rear over bumps, wandering or vague handling, or uneven tire wear. A bent, cracked or badly corroded arm is another sign. Inspect the related suspension components to confirm the cause before replacing. Follow the vehicle service information for installation, including the correct fasteners and whether the originals may be reused.

Interchange: CA6117 · 13CB76074 · RK642121 · BR7028200A · BR7028200B · BR7028250 · CMS76172 · 2606637

This part cross-references / interchanges with the following part numbers:

CA6117, 13CB76074, RK642121, BR7028200A, BR7028200B, BR7028250, CMS76172, 2606637

Frequently Asked Questions

Does the 521-838 fit my 1990-1994 Mazda Protege?

It is listed for the 1990-1994 Mazda Protege and the 1990-1994 Mazda 323. Check the Buyer's Guide tab to confirm your exact vehicle.

What does a rear trailing arm do?

It links the rear wheel assembly to the vehicle's body or chassis. This helps locate the wheel and control its movement as the suspension moves up and down.

What are signs a trailing arm may need replacing?

Common signs include clunking from the rear over bumps, wandering or vague handling, uneven tire wear, or an arm that is bent, cracked or badly corroded. Diagnose the cause before replacing it.

How is this trailing arm protected against corrosion?

Dorman gives it a protective finish that provides corrosion resistance. The arm is made from the same materials as the original equipment.

Is anything special needed for installation?

Follow the vehicle service information for the procedure, torque and correct fasteners, including whether the originals may be reused. An alignment check after installation is recommended.

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