Moog RK620570 Suspension Control Arm and Ball Joint Assembly - Front Left Lower

Moog RK620570 Front Left Lower Control Arm

The Moog RK620570 is a front left lower suspension control arm and ball joint assembly for select Saab applications. Built with forged aluminum construction, pre-greased components, and included bushings, it supports precise front suspension service on Saab 9-3 and Saab 9-3X models.

Key Features

• Forged aluminum control arm for structural strength and reduced weight
• Pre-greased assembly for ready-to-install service
• Ball joint mounting type: press-in
• Ball joint stud type: pinch
• Rubber bushings included for suspension isolation
• Mounting hardware included
• Gray finish with corrosion-focused construction
• Non-adjustable design for direct replacement use

Fitment and Application

• Fits 2003-2011 Saab 9-3, front left lower. Suspension control arm and ball joint assembly meets OEM standards.
• Fits 2010-2011 Saab 9-3X, front left lower. Suspension control arm and ball joint assembly meets OEM standards.

This part cross-references Delphi TC2588 and Dorman - OE Solutions 520-551 for the same application. The Moog RK620570 is also referenced by part number RK620570 in catalog listings for the same front left lower Saab suspension position.

What It Helps Repair

• Front-end looseness or wandering caused by worn control arm bushings
• Clunking or knocking from a worn lower ball joint
• Uneven tire wear related to suspension geometry wear
• Steering instability on Saab 9-3 and Saab 9-3X models
• Suspension noise from deteriorated rubber isolation points

Installation Notes

Install on the front left lower suspension position only. Verify press-in ball joint service requirements and pinch-style stud engagement before installation. Inspect adjacent suspension components, alignment settings, and fastener condition during replacement. Confirm vehicle year, model, and front left lower application against the fitment list before ordering.

Quality Assurance

Moog premium control arms are engineered for structural strength and corrosion protection across foreign and domestic nameplates. The RK620570 is built as a direct suspension service part for confirmed Saab fitments and follows OEM-standard application requirements.