HomeSuspension > Suspension, Springs and Related ComponentsUnity 20-012900 Air Suspension Compressor
Part #: 20-012900

Unity 20-012900 Air Suspension Compressor

Air Suspension Compressor With Dryer
45 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$266.52Free 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
Air Suspension Compressor With Dryer
Fitment: Mercedes-Benz, GL350, GL450, GL550, ML350, ML450, ML500, ML550, ML63 AMG, GL320, and ML320
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Air Suspension Compressor for Mercedes-Benz Models

The Unity Air Suspension Compressor With Dryer (Part Number 20-012900) is designed specifically for select Mercedes-Benz SUVs, including GL320, GL350, GL450, GL550, ML63 AMG, ML320, ML350, ML450, ML500, and ML550 models. This compressor ensures consistent air pressure for your vehicle's suspension system, maintaining ride comfort and handling performance.

  • Compatible with multiple Mercedes-Benz GL and ML series models
  • Includes integrated dryer to remove moisture from the air suspension system
  • Part Number 20-012900 for precise identification and fitment
  • Designed to maintain optimal air pressure for suspension springs and components
  • Durable construction for long-term reliability in demanding conditions

About the Unity Air Suspension Compressor With Dryer Product Line

The Unity Air Suspension Compressor With Dryer product line focuses on delivering air compressors equipped with built-in dryers to prevent moisture buildup in the suspension system. This feature helps reduce corrosion and extends the lifespan of suspension components. The 20-012900 compressor is part of this line, providing a direct replacement solution for Mercedes-Benz GL and ML series vehicles requiring reliable air suspension performance.

Product Description and Functionality

This air suspension compressor is engineered to supply pressurized air to the air springs of compatible Mercedes-Benz SUVs, ensuring proper ride height and suspension responsiveness. The integrated dryer removes moisture from the compressed air, which is critical for preventing damage to the air suspension system. The compressor supports the vehicle’s ability to adapt to varying road conditions and load requirements, contributing to a stable and comfortable driving experience.

Common Issues Addressed by This Compressor

  • Air suspension failure due to compressor malfunction
  • Uneven or sagging ride height on Mercedes-Benz GL and ML models
  • Moisture-related corrosion within the air suspension system
  • Inconsistent air pressure causing poor handling or ride comfort
  • Noise or excessive wear from a failing compressor unit

Installation Notes and Tips

  • Ensure vehicle compatibility by verifying model and year before installation
  • Disconnect the battery and relieve air suspension pressure prior to removal
  • Handle the compressor carefully to avoid damage to electrical connectors and air lines
  • Check and replace any worn air lines or seals during installation
  • Test the system after installation to confirm proper operation and air pressure levels

Quality Assurance and Warranty

The Unity Air Suspension Compressor With Dryer (Part Number 20-012900) is manufactured to meet OEM standards for fit and function. While specific warranty details should be confirmed at the point of purchase, Unity products typically include coverage against defects in materials and workmanship to ensure dependable performance in Mercedes-Benz GL and ML series vehicles.

This part fits 45 vehicles. Search below:

YearMakeModelPositionNotes
2012Mercedes-BenzGL350N/Aw/ Airmatic; Air Suspension Compressor With Dryer
2012Mercedes-BenzGL450N/Aw/ Airmatic; Air Suspension Compressor With Dryer
2012Mercedes-BenzGL550N/Aw/ Airmatic; Air Suspension Compressor With Dryer
2011Mercedes-BenzGL350N/Aw/ Airmatic; Air Suspension Compressor With Dryer
2011Mercedes-BenzGL450N/Aw/ Airmatic; Air Suspension Compressor With Dryer
2011Mercedes-BenzGL550N/Aw/ Airmatic; Air Suspension Compressor With Dryer
2011Mercedes-BenzML350N/Aw/ Airmatic; Air Suspension Compressor With Dryer
2011Mercedes-BenzML450N/Aw/ Airmatic; Air Suspension Compressor With Dryer
2011Mercedes-BenzML500N/Aw/ Airmatic; Air Suspension Compressor With Dryer
2011Mercedes-BenzML550N/Aw/ Airmatic; Air Suspension Compressor With Dryer
2011Mercedes-BenzML63 AMGN/Aw/ Airmatic; Air Suspension Compressor With Dryer
2010Mercedes-BenzGL350N/Aw/ Airmatic; Air Suspension Compressor With Dryer
2010Mercedes-BenzGL450N/Aw/ Airmatic; Air Suspension Compressor With Dryer
2010Mercedes-BenzGL550N/Aw/ Airmatic; Air Suspension Compressor With Dryer
2010Mercedes-BenzML350N/Aw/ Airmatic; Air Suspension Compressor With Dryer
2010Mercedes-BenzML450N/Aw/ Airmatic; Air Suspension Compressor With Dryer
2010Mercedes-BenzML500N/Aw/ Airmatic; Air Suspension Compressor With Dryer
2010Mercedes-BenzML550N/Aw/ Airmatic; Air Suspension Compressor With Dryer
2010Mercedes-BenzML63 AMGN/Aw/ Airmatic; Air Suspension Compressor With Dryer
2009Mercedes-BenzGL320N/Aw/ Airmatic; Air Suspension Compressor With Dryer
2009Mercedes-BenzGL450N/Aw/ Airmatic; Air Suspension Compressor With Dryer
2009Mercedes-BenzGL550N/Aw/ Airmatic; Air Suspension Compressor With Dryer
2009Mercedes-BenzML320N/Aw/ Airmatic; Air Suspension Compressor With Dryer
2009Mercedes-BenzML350N/Aw/ Airmatic; Air Suspension Compressor With Dryer
2009Mercedes-BenzML500N/Aw/ Airmatic; Air Suspension Compressor With Dryer
2009Mercedes-BenzML550N/Aw/ Airmatic; Air Suspension Compressor With Dryer
2009Mercedes-BenzML63 AMGN/Aw/ Airmatic; Air Suspension Compressor With Dryer
2008Mercedes-BenzGL320N/Aw/ Airmatic; Air Suspension Compressor With Dryer
2008Mercedes-BenzGL450N/Aw/ Airmatic; Air Suspension Compressor With Dryer
2008Mercedes-BenzGL550N/Aw/ Airmatic; Air Suspension Compressor With Dryer
2008Mercedes-BenzML320N/Aw/ Airmatic; Air Suspension Compressor With Dryer
2008Mercedes-BenzML350N/Aw/ Airmatic; Air Suspension Compressor With Dryer
2008Mercedes-BenzML500N/Aw/ Airmatic; Air Suspension Compressor With Dryer
2008Mercedes-BenzML550N/Aw/ Airmatic; Air Suspension Compressor With Dryer
2008Mercedes-BenzML63 AMGN/Aw/ Airmatic; Air Suspension Compressor With Dryer
2007Mercedes-BenzGL320N/Aw/ Airmatic; Air Suspension Compressor With Dryer
2007Mercedes-BenzGL450N/Aw/ Airmatic; Air Suspension Compressor With Dryer
2007Mercedes-BenzML320N/Aw/ Airmatic; Air Suspension Compressor With Dryer
2007Mercedes-BenzML350N/Aw/ Airmatic; Air Suspension Compressor With Dryer
2007Mercedes-BenzML500N/Aw/ Airmatic; Air Suspension Compressor With Dryer
2007Mercedes-BenzML63 AMGN/Aw/ Airmatic; Air Suspension Compressor With Dryer
2006Mercedes-BenzML350N/Aw/ Airmatic; Air Suspension Compressor With Dryer
2006Mercedes-BenzML500N/Aw/ Airmatic; Air Suspension Compressor With Dryer
2005Mercedes-BenzML350N/Aw/ Airmatic; Air Suspension Compressor With Dryer
2005Mercedes-BenzML500N/Aw/ Airmatic; Air Suspension Compressor With Dryer

* 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:

1643200504801643200904801643201104164320120480949-911P-3214

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