Moog
MOOG Chassis Products Suspension Control Arm and Ball Joint Assembly RK620983
MOOG Chassis Products Suspension Control Arm and Ball Joint Assembly RK620983
Part number: 3NI32
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- Free fitment check before you order
Chassis Products Suspension Control Arm and Ball Joint Assembly from Moog. Adjustable arms let lowered or lifted cars get alignment back in spec. The fitment section lists 16 applications.
Key features
- Suspension component that connects and provides pivotal movement of the Steering Knuckle to he vehicle. (RK620983) by MOOG Chassis Products
- ADDED CORROSION PROTECTION -- Coated studs and e-coated cast iron and steel control arms inhibit premature deterioration
Specifications
- Brand: Moog
- Part type: Suspension arm
Fitment
- 2009 Mercedes-Benz GL320 Bluetec 4Matic
- 2007 - 2008 Mercedes-Benz GL320 CDI
- 2010 - 2011 Mercedes-Benz GL350 Bluetec 4Matic
- 2007 - 2011 Mercedes-Benz GL450 Base
- 2008 - 2011 Mercedes-Benz GL550 Base
- 2009 Mercedes-Benz ML320 Bluetec 4Matic
- 2007 - 2008 Mercedes-Benz ML320 CDI
- 2006 - 2011 Mercedes-Benz ML350 Base, 4Matic
- 2010 - 2011 Mercedes-Benz ML350 Bluetec 4Matic, Sport AMG
- 2006 Mercedes-Benz ML350 Introduction, Premium
- 2008 - 2009 Mercedes-Benz ML350 Lujo
- 2010 Mercedes-Benz ML350 Sport
- 2010 - 2011 Mercedes-Benz ML450 Hybrid 4Matic
- 2006 - 2007 Mercedes-Benz ML500 Base
- 2006 Mercedes-Benz ML500 Introduction, Premium
- 2008 - 2011 Mercedes-Benz ML550 Base
What it does
Worn ball joints and bushings in arms cause clunks, wander and uneven tire wear. Worn suspension and steering parts show up as clunks, wandering, uneven tire wear and a vague feel; fresh parts restore control, and performance parts sharpen it.
Installation & tips
- Get a wheel alignment after replacing or adjusting arms.
- Alignment: Always after arm work.
- Bushings: Check other bushings while you are under there.
- This part affects how the vehicle stops, steers or holds the road. If you are not sure how to fit it, have it installed or checked by a qualified mechanic.
FAQ
How many vehicles is it listed for?
16 applications are listed in the fitment section above.
Can I install it myself?
Many owners do this job at home with the right tools and a service manual, but because it is a safety-related part, have the work checked by a qualified mechanic if you are not sure.
What should I check before ordering?
Compare the part number, specifications and fitment on this page with your vehicle and with the part you are replacing.
Before you order
- Measure the part you are replacing and compare it with the specifications above.
- Plan for a wheel alignment after fitting if the job changes the suspension or steering geometry.

About this suspension arm
Adjustable arms let lowered or lifted cars get alignment back in spec.
Fitment notes
- Specs, lead time and warranty come from Moog and can change. The details above this guide are the latest we have.
Not sure it fits? Tell us exactly what you drive and we'll confirm fitment first. It's free and saves a return.
Ask about fitmentParts that usually go with it
More for your car: Ball Joints · All Control Arms · Suspension & steering
Questions about suspension arm
Will this fit my car?
Will I need an alignment?
Where do specs and warranty details come from?
Questions & answers
No questions yet about this part. Ask about fitment, what's in the box or installation and we'll answer here.