HomeSuspension > Shocks and StrutsUnity 28-513400 Air Suspension Strut - Rear
Part #: 28-513400

Unity 28-513400 Air Suspension Strut - Rear

Electronic Air Suspension Strut, Rear
29 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$283.10Free Shipping
Free ShippingNo Cost to Continental U.S.
Free Returns*Wrong fit? No cost
60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
Electronic Air Suspension Strut, Rear
Fitment: Mercedes-Benz, S350, S430, S500, S55 AMG, S600, and S65 AMG
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Unity Electronic Air Suspension Strut

The Unity Electronic Air Suspension Strut 28-513400 is designed specifically for the rear position on select Mercedes-Benz models. This air suspension strut provides reliable support and ride comfort for vehicles equipped with electronic air suspension systems.

  • Rear position air suspension strut
  • Compatible with Mercedes-Benz S55 AMG, S65 AMG, S350, S430, S500, and S600 models
  • Part number 28-513400 for precise identification
  • Designed for electronic air suspension systems
  • GTIN 00813566028520 for product authenticity

Detailed Product Description

This Unity Electronic Air Suspension Strut is engineered to replace the rear air suspension components on various Mercedes-Benz vehicles, including the S55 AMG, S65 AMG, S350, S430, S500, and S600. The strut is part of the Electronic Air Suspension Strut product line, which focuses on delivering components compatible with electronically controlled air suspension systems. These struts help maintain vehicle height, improve ride quality, and ensure proper handling by adjusting air pressure within the suspension system.

Common Applications and Problem Solving

  • Restores proper rear suspension height and leveling
  • Eliminates uneven or sagging rear suspension
  • Resolves air leaks or failure in rear air suspension struts
  • Improves ride comfort and vehicle stability
  • Addresses warning lights related to air suspension faults

Installation Notes and Tips

  • Ensure compatibility with your specific Mercedes-Benz model before installation
  • Professional installation is recommended due to the complexity of air suspension systems
  • Check for any air line leaks or electrical connection issues during replacement
  • Calibrate the air suspension system after installation to restore proper function

Quality Assurance and Warranty

Unity's Electronic Air Suspension Strut line is manufactured to meet OEM standards for fit and function. The part number 28-513400 undergoes quality checks to ensure durability and performance. Please refer to Unity's warranty policy for specific coverage details related to this air suspension strut.

BrandUnity
Part Number28-513400
PositionElectronic Air Suspension Strut, Rear
PositionRear

This part fits 29 vehicles. Search below:

YearMakeModelPositionNotes
2006Mercedes-BenzS350Rearw/ Airmatic; For W220 Chassis; Electronic Air Suspension Strut
2006Mercedes-BenzS430Rearw/ Airmatic; For W220 Chassis; Electronic Air Suspension Strut
2006Mercedes-BenzS500Rearw/ Airmatic; For W220 Chassis; Electronic Air Suspension Strut
2006Mercedes-BenzS55 AMGRearw/ Airmatic; For W220 Chassis; Electronic Air Suspension Strut
2006Mercedes-BenzS600Rearw/ Airmatic; For W220 Chassis; Electronic Air Suspension Strut
2006Mercedes-BenzS65 AMGRearw/ Airmatic; For W220 Chassis; Electronic Air Suspension Strut
2005Mercedes-BenzS430Rearw/ Airmatic; For W220 Chassis; Electronic Air Suspension Strut
2005Mercedes-BenzS500Rearw/ Airmatic; For W220 Chassis; Electronic Air Suspension Strut
2005Mercedes-BenzS55 AMGRearw/ Airmatic; For W220 Chassis; Electronic Air Suspension Strut
2005Mercedes-BenzS600Rearw/ Airmatic; For W220 Chassis; Electronic Air Suspension Strut
2005Mercedes-BenzS65 AMGRearw/ Airmatic; For W220 Chassis; Electronic Air Suspension Strut
2004Mercedes-BenzS430Rearw/ Airmatic; For W220 Chassis; Electronic Air Suspension Strut
2004Mercedes-BenzS500Rearw/ Airmatic; For W220 Chassis; Electronic Air Suspension Strut
2004Mercedes-BenzS55 AMGRearw/ Airmatic; For W220 Chassis; Electronic Air Suspension Strut
2004Mercedes-BenzS600Rearw/ Airmatic; For W220 Chassis; Electronic Air Suspension Strut
2003Mercedes-BenzS430Rearw/ Airmatic; For W220 Chassis; Electronic Air Suspension Strut
2003Mercedes-BenzS500Rearw/ Airmatic; For W220 Chassis; Electronic Air Suspension Strut
2003Mercedes-BenzS55 AMGRearw/ Airmatic; For W220 Chassis; Electronic Air Suspension Strut
2003Mercedes-BenzS600Rearw/ Airmatic; For W220 Chassis; Electronic Air Suspension Strut
2002Mercedes-BenzS430Rearw/ Airmatic; For W220 Chassis; Electronic Air Suspension Strut
2002Mercedes-BenzS500Rearw/ Airmatic; For W220 Chassis; Electronic Air Suspension Strut
2002Mercedes-BenzS55 AMGRearw/ Airmatic; For W220 Chassis; Electronic Air Suspension Strut
2002Mercedes-BenzS600Rearw/ Airmatic; For W220 Chassis; Electronic Air Suspension Strut
2001Mercedes-BenzS430Rearw/ Airmatic; For W220 Chassis; Electronic Air Suspension Strut
2001Mercedes-BenzS500Rearw/ Airmatic; For W220 Chassis; Electronic Air Suspension Strut
2001Mercedes-BenzS55 AMGRearw/ Airmatic; For W220 Chassis; Electronic Air Suspension Strut
2001Mercedes-BenzS600Rearw/ Airmatic; For W220 Chassis; Electronic Air Suspension Strut
2000Mercedes-BenzS430Rearw/ Airmatic; For W220 Chassis; Electronic Air Suspension Strut
2000Mercedes-BenzS500Rearw/ Airmatic; For W220 Chassis; Electronic Air Suspension Strut

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

4J2013SK

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.