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Sway Bar Link

Lemfoerder Sway Bar Link - 3940801

LEMFOERDER
Availability:
5+ in stock, ready to be shipped

Ships same or next business day

SKU 3940801
$32.00 - $32.00
$32.00
$32.00 - $32.00
$32.00
CALIFORNIA WARNING

Handling passenger or off-highway motor vehicle parts can expose you to chemicals such as phthalates and lead, which can cause cancer and reproductive harm. To minimize exposure, service the vehicle in a well-ventilated area, wear gloves, and wash your hands. For more information see www.P65Warnings.ca.gov/motor-vehicle-parts.

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LEMFOERDER

Sway Bar Link

This product also goes by these part numbers: 164 320 21 32, 1643202132, 3940801

This part also goes by the following cross reference.

Cross Reference Part Number: 1643202132

Fits These Vehicles 16 applications
Mercedes-Benz
Make Model Engine Years
Mercedes-Benz R350 3.0V6 2010–2012
Mercedes-Benz R350 3.5V6 2006–2012
Mercedes-Benz GL550 5.5V8 2008–2012
Mercedes-Benz GL450 4.7V8 2007–2012
Mercedes-Benz GL350 3.0V6 2010–2012
Mercedes-Benz ML63 AMG 6.3V8 2007–2011
Mercedes-Benz ML550 5.5V8 2008–2011
Mercedes-Benz ML450 3.5V6 2010–2011
Mercedes-Benz ML350 3.0V6 2010–2011
Mercedes-Benz ML350 3.5V6 2006–2011
Mercedes-Benz R320 3.0V6 2007–2009
Mercedes-Benz ML320 3.0V6 2007–2009
Mercedes-Benz GL320 3.0V6 2007–2009
Mercedes-Benz R63 AMG 6.3V8 2007–2007
Mercedes-Benz R500 5.0V8 2006–2007
Mercedes-Benz ML500 5.0V8 2006–2007

Fitment data last updated: 2026-06-30

Fits 16 vehicle applications Check vehicle fitment before ordering View fitment

About this Sway Bar Link

The LEMFOERDER 3940801 sway bar link connects the anti-roll bar to the suspension, so the bar can limit body roll in corners. Its small ball joints or bushings wear over time and are a common source of knocking noises.

Frequently asked questions

What does a sway bar link do?

It transfers force between the sway bar and the suspension arm or strut. When the car leans in a corner, the bar resists the roll through the links, keeping the car flatter.

What are the signs of a worn sway bar link?

A knocking or rattling noise over bumps, especially at low speed on uneven roads, more body roll than usual, or a torn boot or visible play in the link's ball joints.

Should I replace sway bar links in pairs?

Replacing both sides on the same axle is recommended, since they wear at a similar rate and it keeps the handling balanced. Check the sway bar bushings at the same time.

Is anything special needed during installation?

On many cars the link's ball stud spins while tightening; hold it with a hex or Torx bit through the stud while you torque the nut. Tighten with the suspension loaded if your car's procedure requires it.

How do I make sure this sway bar link fits my car?

Compare the part numbers listed on this page with the number on your old part or in your vehicle's parts catalog, and check the fitment information. If you are unsure, contact us with your VIN before ordering.

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