HomeSuspension > Suspension, Springs and Related ComponentsUnity 20-029904 Air Suspension Compressor
Part #: 20-029904

Unity 20-029904 Air Suspension Compressor

Air Suspension Compressor With Dryer
13 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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OE Direct Replacement — Bolt-on fit, no modifications needed
Air Suspension Compressor With Dryer
Fitment: Audi, Allroad Quattro, A6, and A6 Quattro
Easy Returns — Return within 60 days for a full refund
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Reliable Air Suspension Compressor for Audi A6 Models

The Unity Air Suspension Compressor With Dryer (Part Number 20-029904) is designed specifically for Audi A6, A6 Quattro, and Allroad Quattro models. This compressor ensures consistent air supply to your vehicle's suspension system, maintaining optimal ride height and comfort.

  • Compatible with Audi A6, A6 Quattro, and Allroad Quattro
  • Includes integrated dryer to remove moisture from the air system
  • Part Number 20-029904 for precise fitment
  • Designed to work with air suspension systems requiring reliable air compression
  • Manufactured by Unity, a recognized brand in suspension components

About the Unity Air Suspension Compressor With Dryer 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 air suspension systems. This feature helps extend the life of suspension components by reducing corrosion and freezing risks. The 20-029904 compressor is part of this line, providing a tailored solution for Audi A6 series vehicles that require dependable air supply and moisture control.

Product Description and Functionality

This air suspension compressor supplies pressurized air to the suspension system, enabling automatic adjustment of ride height and vehicle stability. The integrated dryer removes moisture from the compressed air, which is critical for preventing damage to air springs and valves. The Unity 20-029904 compressor is engineered to meet the specific requirements of Audi A6, A6 Quattro, and Allroad Quattro models, ensuring proper fit and function within the suspension assembly.

Common Issues Addressed by This Compressor

  • Loss of air pressure causing uneven ride height
  • Suspension warning lights related to compressor failure
  • Moisture buildup leading to corrosion in air suspension components
  • Reduced compressor efficiency or failure due to worn internal parts
  • Inconsistent suspension performance affecting vehicle handling

Installation Notes and Tips

  • Ensure vehicle is safely lifted and supported before installation
  • Disconnect battery to prevent electrical shorts during replacement
  • Verify compatibility with Audi A6, A6 Quattro, or Allroad Quattro before installation
  • Inspect air lines and electrical connectors for damage or wear
  • Follow manufacturer torque specifications for mounting hardware

Quality Assurance and Warranty

Unity manufactures this air suspension compressor to meet industry standards for durability and performance. While specific warranty details for part number 20-029904 may vary, Unity products typically include coverage against defects in materials and workmanship. It is recommended to consult the product documentation or supplier for exact warranty terms.

This part fits 13 vehicles. Search below:

YearMakeModelPositionNotes
2005AudiAllroad QuattroN/AIncludes Relay; Air Suspension Compressor With Dryer
2004AudiA6N/AIncludes Relay; Air Suspension Compressor With Dryer
2004AudiA6 QuattroN/AIncludes Relay; Air Suspension Compressor With Dryer
2004AudiAllroad QuattroN/AIncludes Relay; Air Suspension Compressor With Dryer
2003AudiA6N/AIncludes Relay; Air Suspension Compressor With Dryer
2003AudiA6 QuattroN/AIncludes Relay; Air Suspension Compressor With Dryer
2003AudiAllroad QuattroN/AIncludes Relay; Air Suspension Compressor With Dryer
2002AudiA6N/AIncludes Relay; Air Suspension Compressor With Dryer
2002AudiA6 QuattroN/AIncludes Relay; Air Suspension Compressor With Dryer
2002AudiAllroad QuattroN/AIncludes Relay; Air Suspension Compressor With Dryer
2001AudiA6N/AIncludes Relay; Air Suspension Compressor With Dryer
2001AudiA6 QuattroN/AIncludes Relay; Air Suspension Compressor With Dryer
2001AudiAllroad QuattroN/AIncludes Relay; 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:

4Z76160074Z7616007A

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