Westar AS-7335 front suspension air strut for the 2007-2011 Mercedes-Benz S500 and other vehicles replaces the air strut at a front wheel. Westar air struts are made as new replacement units and as components for rebuilding existing assemblies.
A front corner that sits low or a bouncy ride can be signs of a worn or leaking air strut. Before you replace the strut, rule out the air supply, the air lines and the other suspension parts, because they can produce similar signs. Plan to do the front struts as a pair: this listing is one strut, and the 2007-2011 Mercedes-Benz S500 takes two.
The vehicles it fits include the 2007-2011 Mercedes-Benz S500, the 2011-2013 Mercedes-Benz S350 and the 2010-2013 Mercedes-Benz S400. Open the "Vehicles it fits" section to check your exact model and engine.
Fit and size
Build and materials
Interchange: AS-2540 · AS-2820 · 949-887 · 136M-27-F · 136M-28-F
4J2002S · 4J2028S · 4J2029S
This part cross-references / interchanges with the following part numbers:
Is the Westar AS-7335 front air strut right for the 2011-2013 Mercedes-Benz S350?
Yes, the Westar AS-7335 is listed for the 2011-2013 Mercedes-Benz S350 at the front; for another model, open the "Vehicles it fits" section to check your year and engine.
Is the Westar AS-7335 a front or rear strut?
Front. The Westar AS-7335 is a front suspension air strut, sold as a single strut.
Does the Westar AS-7335 interchange with AS-2540?
Yes. AS-2540 is one of the interchange numbers the Westar AS-7335 replaces.
How can I tell if a front air strut is failing?
A front corner that sits lower than the other, a bouncy ride or visible damage on the strut can point to a problem. A shop can test the air system.
What standards does the Westar AS-7335 follow?
Westar factories manufacture to industry standards including ISO, QS and TS. The AS-7335 is a new part.
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WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
