Arnott P-3725 Air Suspension Compressor
OE Quality 60-Day Returns
Arnott
 NEW

Arnott P-3725 Air Suspension Compressor

Brand Arnott P-3725
Product line NEW
Fits Mercedes-Benz · 15 vehicles

OE direct replacement. Exact-fit compressor with direct connections for fast installation.

Corrosion-resistant finish. Epoxy coating helps protect the compressor from corrosion.

Integrated dryer. Built in to help keep the air system dry and reliable.

Cross-references Mercedes-Benz 2513201304, Mercedes-Benz 2513202104 and Mercedes-Benz 2513202504 for the same application. See all 6.

$574.66Free shipping
In stock · usually ships same day before 1pm CST
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Arnott P-3725 Air Suspension Compressor

Arnott P-3725 is a NEW air suspension compressor assembly for the Mercedes-Benz R-Class W251 with 4-corner leveling. It replaces the original OE compressor with a direct-fit design that connects to the factory air lines and electrical connector for straightforward service on the Mercedes-Benz R350, R320, R500, R550, and R63 AMG.

Key Features

  • Direct OE replacement for the factory air suspension compressor
  • Heavy-duty motor for consistent air supply
  • Epoxy-coated finish to help resist corrosion
  • Integrated dryer included to support moisture control
  • 12V electrical system with 185 maximum pressure rating
  • Mounting bracket included for proper installation alignment
  • Relay included
  • Black finish

Product Details

This Arnott NEW compressor assembly is built for the 2006-2013 Mercedes-Benz R-Class W251 chassis with 4-corner leveling. The P-3725 is an exact-fit replacement that follows the factory connection points, making it a practical choice when servicing the air suspension system on a Mercedes-Benz R350 or other supported R-Class models. Arnott’s NEW product line focuses on direct replacement components that match OE fitment requirements for easier repair planning and fewer installation variables.

This part cross-references Mercedes-Benz 2513201304 and 2513202104 for the same application.

Common Problems It Can Address

  • Slow or weak air suspension lift
  • Compressor running more often than normal
  • Loss of ride height in the air suspension system
  • Moisture-related compressor wear
  • Air supply issues affecting 4-corner leveling performance

Installation Notes

Fits 2006-2012 Mercedes-Benz R350, N/A. Fits 2007-2009 Mercedes-Benz R320, N/A. Fits 2006-2008 Mercedes-Benz R500, N/A. Fits 2008 Mercedes-Benz R550, N/A. Fits 2007 Mercedes-Benz R63 AMG, N/A. Verify the vehicle uses front air suspension and the AMK OES variant noted in the fitment data before installation. The compressor connects directly to the vehicle air lines and electrical connector. Mounting hardware is not listed as included.

Quality Assurance

Arnott supplies this P-3725 compressor as a NEW OE-style replacement with a heavy-duty motor, corrosion-resistant epoxy coating, and an integrated dryer for service-focused air suspension repair.

Related reading

This part fits 15 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2012Mercedes-BenzR350N/AAir Suspension Compressor for vehicles with front air suspension, AMK OES variant; NEW
2011Mercedes-BenzR350N/AAir Suspension Compressor for vehicles with front air suspension, AMK OES variant; NEW
2010Mercedes-BenzR350N/AAir Suspension Compressor for vehicles with front air suspension, AMK OES variant; NEW
2009Mercedes-BenzR320N/AAir Suspension Compressor for vehicles with front air suspension, AMK OES variant; NEW
2009Mercedes-BenzR350N/AAir Suspension Compressor for vehicles with front air suspension, AMK OES variant; NEW
2008Mercedes-BenzR320N/AAir Suspension Compressor for vehicles with front air suspension, AMK OES variant; NEW
2008Mercedes-BenzR350N/AAir Suspension Compressor for vehicles with front air suspension, AMK OES variant; NEW
2008Mercedes-BenzR500N/AAir Suspension Compressor for vehicles with front air suspension, AMK OES variant; NEW
2008Mercedes-BenzR550N/AAir Suspension Compressor for vehicles with front air suspension, AMK OES variant; NEW
2007Mercedes-BenzR320N/AAir Suspension Compressor for vehicles with front air suspension, AMK OES variant; NEW
2007Mercedes-BenzR350N/AAir Suspension Compressor for vehicles with front air suspension, AMK OES variant; NEW
2007Mercedes-BenzR500N/AAir Suspension Compressor for vehicles with front air suspension, AMK OES variant; NEW
2007Mercedes-BenzR63 AMGN/AAir Suspension Compressor for vehicles with front air suspension, AMK OES variant; NEW
2006Mercedes-BenzR350N/AAir Suspension Compressor for vehicles with front air suspension, AMK OES variant; NEW
2006Mercedes-BenzR500N/AAir Suspension Compressor for vehicles with front air suspension, AMK OES variant; NEW
Directly replaces or cross-references 6 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Mercedes-Benz — 2513201304Mercedes-Benz — 2513202104Mercedes-Benz — 2513202504Mercedes-Benz — 2513202704Mercedes-Benz — 251320130428Mercedes-Benz — 251320270480