Dorman 527-123 Lateral Arm - Rear Upper Rearward

Dorman 527-123 Lateral Arm for Rear Suspension

Dorman 527-123 is a steel lateral arm built as a standard replacement for the original equipment on select Hyundai rear suspension applications. It is precision-engineered and tested for reliable fit and function on the rear upper rearward position.

• Steel construction for suspension strength and durability
• Black finish with black bushings
• Rubber bushings included
• Bolt-on attachment with bushing ends at both sides
• Standard replacement design for OE-style service
• Not adjustable and not greaseable

Vehicle Fitment

• Fits 2015-2019 Hyundai Santa Fe XL, rear upper rearward
• Fits 2015-2018 Hyundai Santa Fe, rear upper rearward
• Fits 2015-2018 Hyundai Santa Fe Sport, rear upper rearward

Detailed Description

This Dorman lateral arm, part number 527-123, is made for rear suspension service where the original arm has worn bushings or lost structural integrity. The casting/forged control arm design, steel material, and 14.2 mm mounting hole diameter support direct replacement on the specified Hyundai Santa Fe, Santa Fe Sport, and Santa Fe XL applications. This part cross-references Hyundai OE number 551002W550 for the same application.

For Hyundai Santa Fe rear upper rearward, Hyundai Santa Fe Sport rear upper rearward, and Hyundai Santa Fe XL rear upper rearward service, 527-123 provides an OE-style replacement path without requiring adjustment or grease fitting service. The included bushings and bolt-on attachment help restore suspension geometry at the rear upper rearward location.

Common Repair Symptoms

• Rear suspension clunking or knocking over bumps
• Excessive play from worn lateral arm bushings
• Uneven rear tire wear related to suspension movement
• Loose or unstable rear suspension feel
• Corrosion or damage to the original rear upper rearward arm

Installation Notes

Verify vehicle year, model, and rear upper rearward position before installation. Inspect adjacent suspension bushings and mounting points for wear or damage, and replace any compromised hardware as needed since mounting hardware is not included. A professional alignment check is recommended after suspension component replacement.

Quality Assurance

Dorman manufactures this lateral arm as a standard replacement part and subjects it to engineering and testing to support reliable service on the listed Hyundai applications. Part number 527-123 is built to match the original equipment function for the confirmed fitment range.