Dorman 526-604 Lateral Arm - Rear Right Upper Rearward

Dorman 526-604 Rear Right Upper Rearward Lateral Arm

Dorman 526-604 is a steel lateral arm engineered as a standard replacement for the original suspension link on select Audi, Porsche applications. It is built for the rear right upper rearward position and is listed for vehicles with steel arms, including Audi Q7, Audi Q8, and Porsche Cayenne.

Key Features

• Direct replacement lateral arm for the rear right upper rearward suspension position
• Steel stamped construction with a painted black semi-gloss finish
• Rubber bushings included and pre-greased for service-ready installation
• Beam-style arm with bushing ends at both attachment points
• No ball joint, grease fittings, or mounting hardware included
• Standard replacement grade for OE-style suspension service

Detailed Description

This Dorman lateral arm, part number 526-604, is precision-engineered and tested to replace the original equipment suspension arm on specific rear suspension applications. It uses steel construction, rubber bushings, and a stamped beam design to match the intended geometry for the rear right upper rearward location. For shoppers searching for a rear suspension lateral arm for Audi Q7, Audi Q8, or Porsche Cayenne with steel arms, Dorman 526-604 provides a direct-fit service part for the listed applications.

This part cross-references OE-style numbers 4M0505398Q and 4M0505398R for the same application.

Vehicle Fitment

• Fits 2017-2025 Audi Q7, Rear Right Upper Rearward, w/Steel Arms
• Fits 2019-2025 Audi Q8, Rear Right Upper Rearward, w/Steel Arms
• Fits 2019-2024 Porsche Cayenne, Rear Right Upper Rearward, w/Steel Arms

What It Helps Address

• Rear suspension looseness or instability from a worn lateral arm
• Clunking or knocking noises from the rear suspension linkage
• Uneven rear wheel alignment caused by worn bushings or arm wear
• Excessive play in the rear right upper rearward suspension point
• Restoring proper suspension geometry after OE arm wear

Installation Notes and Tips

Confirm the vehicle uses steel arms before ordering, since fitment is limited to the listed configurations. Replace the arm only after verifying the rear right upper rearward position and inspect adjacent bushings and suspension links for wear at the same time. Because mounting hardware is not included, reuse or source the correct fasteners as required by the vehicle service procedure.

Quality Assurance

Dorman designs this lateral arm as a standard replacement part and subjects it to engineering validation and testing to support reliable OE-style service on the specified Audi and Porsche applications.