Dorman 520-746 Suspension Trailing Arm - Rear Left or Rear Right

Durable Suspension Trailing Arm for Mazda Millenia

The Dorman 520-746 suspension trailing arm is engineered to restore proper suspension geometry and improve handling for your Mazda Millenia. Constructed from high-quality steel with a protective E-coat finish, this trailing arm offers reliable performance and corrosion resistance.

• Made from durable steel with black E-coat finish for corrosion protection
• Includes pre-greased rubber bushings in black for smooth operation
• Comes with mounting hardware and a threaded ball joint installed
• 12.75-inch tubular control arm design for strength and stability
• Compatible specifically with Mazda Millenia models

Product Details and Specifications

The Dorman 520-746 suspension trailing arm features a tubular steel construction designed to withstand the stresses of daily driving. The black E-coat finish helps prevent rust and extends the life of the component. This trailing arm includes rubber bushings that are pre-greased to reduce noise and vibration, enhancing ride comfort. The ball joint is installed and threaded for secure attachment, eliminating the need for additional assembly. With a mounting hole diameter of 0.5 inches and included mounting hardware, installation is straightforward. This part is a regular grade type and is not adjustable, ensuring a direct replacement fit for your Mazda Millenia.

Common Suspension Issues Addressed

• Worn or damaged trailing arm causing poor alignment
• Excessive suspension noise or vibration from deteriorated bushings
• Loose or failing ball joint affecting steering control
• Corrosion or rust compromising suspension integrity
• Reduced handling performance due to suspension component wear

Installation Notes and Tips

Before installation, verify compatibility with your specific Mazda Millenia model year. The Dorman 520-746 trailing arm comes pre-assembled with bushings and ball joint installed, simplifying the replacement process. Use the included mounting hardware and ensure all bolts are torqued to manufacturer specifications. Since the part is not adjustable, alignment should be checked and corrected after installation to maintain proper suspension geometry.

Quality Assurance and Warranty

Dorman suspension components are manufactured to meet or exceed OEM standards. The 520-746 trailing arm is pre-greased and designed for durability and reliable performance. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in materials and workmanship to provide confidence in your purchase.