Bilstein 44-143664 Air Suspension Strut - Front Right
OE Quality 60-Day Returns
Bilstein
 B4 OE Replacement (Air)

Bilstein 44-143664 Air Suspension Strut - Front Right

Brand Bilstein 44-143664
Position Front Right
Boot Included No
Finish Black paint
Internal Design Monotube
Lower Mount Type Clevis
Series B4 oe replacement (air)
Title Bilstein shock absorbers
Upper Mount Type Multiple studs
Product line B4 OE Replacement (Air)
Fits Mercedes-Benz · 13 vehicles

OE replacement. Direct-connect design restores the original feel with no modifications needed.

Monotube design. Delivers consistent damping performance in a refined suspension strut.

OE supplier pedigree. Built to meet manufacturer standards for air suspension systems.

Cross-references 211 320 54 38, 211 320 54 38 80 and 211 320 56 38 for the same application. See all 8.

$1,079.00Free shipping
Out of stock
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.

Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Air Suspension Struts are typically replaced in pairs, axle by axle.
Order total $1,079.00
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.
Not what you need? See all Air Suspension Strut options

Bilstein B4 OE Replacement (Air) Strut

The Bilstein B4 OE Replacement (Air) air suspension strut restores original ride control for select Mercedes-Benz AMG models with factory air suspension. Built as a direct replacement for the front right position, Bilstein 44-143664 connects to the original vehicle connectors for modification-free installation and OE-style operation.

Key Features

  • Bilstein B4 OE Replacement (Air) series for factory air suspension systems
  • Monotube internal design for consistent damping response
  • Black paint finish
  • Lower mount type: clevis
  • Upper mount type: multiple studs
  • Direct-connect design for original equipment-style replacement
  • Part number: 44-143664

Product Line Details

Bilstein’s B4 OE Replacement (Air) line is made for drivers who want to restore the factory feel of the suspension without changing the vehicle’s original setup. This front right air suspension strut is engineered for European vehicles that use air dampers, with OE-level fit and function that aligns with the original system design. Bilstein 44-143664 is a practical replacement choice when the goal is to return the suspension to stock behavior on Mercedes-Benz CLS63 AMG, E63 AMG, CLS55 AMG, and E55 AMG applications.

Vehicle Fitment

  • Fits 2010-2011 Mercedes-Benz CLS63 AMG, front right, without Performance Package; B4 OE Replacement (Air)
  • Fits 2007-2009 Mercedes-Benz CLS63 AMG, front right, B4 OE Replacement (Air)
  • Fits 2009 Mercedes-Benz E63 AMG, front right, B4 OE Replacement (Air)
  • Fits 2007-2008 Mercedes-Benz E63 AMG, front right, without Performance Package; B4 OE Replacement (Air)
  • Fits 2006 Mercedes-Benz CLS55 AMG, front right, B4 OE Replacement (Air)
  • Fits 2003-2006 Mercedes-Benz E55 AMG, front right, B4 OE Replacement (Air)

What It Helps Address

  • Front right air strut wear that affects ride quality
  • Loss of original damping response on Mercedes-Benz AMG air suspension systems
  • Suspension noise or harshness caused by a worn OE air damper
  • Uneven front-end control after the factory strut has aged
  • Need for a direct replacement that preserves original connector layout

Installation Notes

Install on the front right position only for the listed Mercedes-Benz CLS63 AMG, E63 AMG, CLS55 AMG, and E55 AMG applications. Verify the vehicle’s air suspension configuration and note the Performance Package exclusions shown in fitment before ordering. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Quality Assurance

Bilstein is an OE supplier for air suspension systems, and the B4 OE Replacement (Air) line is built to meet the standards expected for original-equipment replacement on European vehicles. Part number 44-143664 is engineered for direct fitment and OE-style restoration of suspension performance.

Related reading

This part fits 13 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelPositionNotes
2011Mercedes-BenzCLS63 AMGBaseFront RightWithout Performance Package; B4 OE Replacement (Air)
2010Mercedes-BenzCLS63 AMGBaseFront RightWithout Performance Package; B4 OE Replacement (Air)
2009Mercedes-BenzCLS63 AMGBaseFront RightB4 OE Replacement (Air)
2009Mercedes-BenzE63 AMGBaseFront RightB4 OE Replacement (Air)
2008Mercedes-BenzCLS63 AMGBaseFront RightB4 OE Replacement (Air)
2008Mercedes-BenzE63 AMGBaseFront RightWithout Performance Package; B4 OE Replacement (Air)
2007Mercedes-BenzCLS63 AMGBaseFront RightB4 OE Replacement (Air)
2007Mercedes-BenzE63 AMGBaseFront RightWithout Performance Package; B4 OE Replacement (Air)
2006Mercedes-BenzCLS55 AMGBaseFront RightB4 OE Replacement (Air)
2006Mercedes-BenzE55 AMGBaseFront RightB4 OE Replacement (Air)
2005Mercedes-BenzE55 AMGBaseFront RightB4 OE Replacement (Air)
2004Mercedes-BenzE55 AMGBaseFront RightB4 OE Replacement (Air)
2003Mercedes-BenzE55 AMGBaseFront RightB4 OE Replacement (Air)
Directly replaces or cross-references 8 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
211 320 54 38211 320 54 38 80211 320 56 38211 320 56 38 80211 320 64 13211 320 84 13F4-VA5-E366-H0VA5-E366