Moog RK643803 Suspension Trailing Arm - Rear Left

Premium Rear Left Trailing Arm for Equinox and Terrain

Moog RK643803 is a premium suspension trailing arm for the rear left position. It is engineered for structural strength and corrosion protection, making it a direct-fit replacement for select Chevrolet Equinox and GMC Terrain models.

Key Features

• Premium-grade suspension trailing arm for rear suspension service
• Built for structural strength in demanding road conditions
• Corrosion-protected construction for long-term durability
• Direct replacement for the rear left position
• Fits 2018-2022 Chevrolet Equinox, rear left
• Fits 2018-2022 GMC Terrain, rear left

Detailed Description

Moog RK643803 is a premium control arm-style trailing arm engineered for select 2018-2022 Chevrolet Equinox and 2018-2022 GMC Terrain applications. As a rear left suspension component, it helps restore proper rear suspension geometry and stable wheel location when the original part is worn or damaged. This part cross-references Dorman - OE Solutions 526-011 for the same application.

Use RK643803 when you need a replacement that matches the vehicle-specific rear left mounting position and supports consistent suspension performance. The Moog RK643803 part number is commonly searched by drivers and technicians looking for a rear left trailing arm for Chevrolet Equinox or GMC Terrain service.

Common Repair Uses

• Rear suspension noise from a worn trailing arm
• Excessive play or looseness in the rear suspension
• Uneven rear tire wear linked to suspension geometry issues
• Damage from corrosion, impact, or road debris
• Restoring rear left suspension alignment and wheel control

Installation Notes and Tips

Confirm the rear left position before installation and verify vehicle year, make, and model against the fitment list. After replacement, inspect related rear suspension components and perform a wheel alignment if required by the repair procedure. The RK643803 application is specific to the listed Equinox and Terrain models, so match the part number and position carefully before service.

Quality Assurance

Moog markets this premium suspension component with an emphasis on structural strength and corrosion protection for foreign and domestic nameplates. RK643803 is built to meet the needs of repair professionals and vehicle owners seeking a durable rear suspension replacement.