7400 900 004 Bushing for Mercedes-Benz and MAN Compressors

What does a compressor bushing do?

This compressor bushing serves as a critical bearing component within the pneumatic air brake compressor assembly. By providing a stable interface for moving parts, it helps maintain the precise internal clearances required for consistent air pressure generation. Using high-strength components ensures the longevity of the compressor under heavy-duty operating conditions.

Compatible vehicles and systems

The bushing is engineered for compatibility with Mercedes-Benz, MAN, and Renault Trucks. It is specifically designed to function within Knorr-Bremse systems to ensure reliable pneumatic performance in heavy commercial vehicles. This component is essential for maintaining the structural integrity of the compressor assembly during high-pressure cycles.

Installation and maintenance

During installation, technicians should ensure that the mounting surfaces are clean and free of debris to prevent premature wear. Regular inspection of the bushing is recommended during standard compressor maintenance intervals to detect any signs of excessive play or friction. Proper alignment is vital for the continued efficiency of the air brake system.

System reliability

Maintaining consistent air pressure requires high-quality internal components to prevent leakage or mechanical failure. Selecting appropriate bushings helps prevent broader system issues such as pressure drops or uneven braking force in heavy vehicles.

OE cross-reference

7400 900 004 (Compressor Bushing) is the equivalent of the MAN and Mercedes-Benz OE numbers. This part directly replaces MAN OE number 51930201007. It also replaces Mercedes-Benz OE number 4031310450.