Westar CD-7728 Air Suspension Compressor

Westar CD-7728 Air Suspension Compressor

Westar CD-7728 is an air suspension compressor for select Mercedes-Benz models with compressor-dryer applications. It is built to meet or exceed OEM specifications for quality, fit, and function, while using all-new components rather than remanufactured parts. This makes it a direct replacement option for restoring proper air suspension operation on vehicles such as the Mercedes-Benz S550, CL550, and S63 AMG.

Key Features

• Designed to meet or exceed OEM specifications for quality, fit, and function
• All-new product; no remanufactured unit is used
• Built for Mercedes-Benz air suspension compressor-dryer applications
• Manufactured to strict industry standards, including ISO, QS, and TS standards
• Helps reduce replacement cost versus purchasing from the OEM dealership

Detailed Description

The Westar CD-7728 air suspension compressor is engineered for select Mercedes-Benz CL-Class, S-Class, and SL-Class vehicles that use a compressor-dryer setup. It is a practical replacement for drivers searching for a Mercedes-Benz air suspension compressor for CL550, S550, S600, or SL65 AMG applications. Westar states that its factories use quality components and follow strict manufacturing standards to support consistent fit and function. This part number, CD-7728, is also a useful cross-reference point when comparing replacement options for the same application.

This part cross-references Dorman 949-910 for the same application.

Common Problems This Part Can Address

• Air suspension compressor failure
• Slow or inconsistent suspension height recovery
• Loss of air pressure in the suspension system
• Compressor-dryer service replacement on Mercedes-Benz air suspension systems
• Warning lights related to suspension pressure or ride height faults

Installation Notes and Tips

Verify the vehicle’s year, model, and compressor-dryer configuration before ordering. Confirm the existing compressor part number and compare the connector, mounting, and system layout to the original unit. For best results, inspect the air lines, dryer condition, relay, and suspension leaks before installing a replacement compressor. Fitment includes 2007-2014 Mercedes-Benz CL550, 2007-2014 CL600, 2008-2014 CL63 AMG, 2008-2014 CL65 AMG, 2007-2013 CL500, 2011-2013 S350, 2010-2013 S400, 2013 S500, 2007-2011 S500, 2007-2013 S550, 2007-2013 S600, 2008-2013 S63 AMG, 2008-2013 SL65 AMG, and 2008-2011 S450.

Quality Assurance

Westar manufactures this compressor to strict industry standards, including ISO, QS, and TS standards, and positions it as a new replacement part built to OEM-level quality, fit, and function. Part number CD-7728 is intended for buyers who want a new air suspension compressor for Mercedes-Benz applications without choosing a remanufactured unit.