Dorman 520-372 Suspension Control Arm - Rear Left Lower Forward, Rear Lower Forward or Rear Right Lower Forward

Dorman 520-372 Rear Lower Forward Control Arm

Dorman 520-372 is a suspension control arm built for rear lower forward applications on select Audi and Porsche models. It uses steel construction with an E-coat finish and included bushings to replace worn OE suspension components with a direct-fit service part.

Key Features

• Steel construction with casting/forged design for structural strength
• E-coat finish for added corrosion resistance
• Includes bushings with rubber and steel materials
• Black finish and black bushing color for OE-style appearance
• Welded ball joint mounting type with threaded stud type
• Direct replacement for rear lower forward suspension positions
• Cross-references Delphi TC3597 and Mevotech Supreme CMS70192 for the same application

Detailed Description

This Dorman suspension control arm, part number 520-372, is precision-engineered and tested for reliable OE-style replacement on specific vehicles. It is built from steel with a forged/cast construction and includes bushings already installed, while the ball joint is not included. The arm is finished in E-coat to help resist corrosion and is intended for rear lower forward suspension locations on Audi A4, A5, A6, A7, A8, Q5, S4, S5, S6, S7, S8, SQ5, RS5, RS7, allroad, and Porsche Macan applications listed below.

Compatible With 2021-2024 Porsche Macan, rear lower forward; 2015-2020 Porsche Macan, rear left lower forward; and 2015-2020 Porsche Macan, rear right lower forward. It also fits select Audi models including A4, A4 Quattro, A5, A5 Quattro, A6, A6 Quattro, A7, A7 Quattro, A8 Quattro, Q5, S4, S5, S6, S7, S8, SQ5, RS5, RS7, and allroad in rear lower forward positions, with notes for stamped steel arms or four-corner air suspension where listed.

What It Helps Fix

• Clunking or knocking from a worn rear suspension arm
• Excessive rear wheel movement from deteriorated bushings
• Uneven tire wear caused by suspension looseness
• Steering or handling instability from a fatigued control arm
• Corrosion-related failure of the original rear lower forward arm

Installation Notes and Tips

Verify the vehicle’s rear suspension configuration before ordering, especially stamped steel arm and four-corner air suspension notes. This part number 520-372 does not include mounting hardware, and the ball joint is not preinstalled. Always confirm left, right, and rear lower forward position details against the vehicle application before installation.

Quality Assurance

Dorman manufactures this control arm as a precision-engineered replacement part and subjects it to rigorous testing for dependable service on the listed applications. Part number 520-372 is built to match the original equipment style for the specified Audi and Porsche fitments.