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7400 940 001 Connecting Rod Bearing for Mercedes-Benz

7400 940 001

Summary

This compressor connecting rod bearing is designed for heavy commercial vehicle air brake compressors, including Mercedes-Benz models. It ensures stable, vibration-free rotation between the crankshaft and connecting rod to maintain consistent air pressure in the braking system. Equivalent to OE Mercedes-Benz 3521312533.

Product identifiers
EAN Code8699031064918
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Compatible OEM Codes

  • MERCEDES BENZ
    • 352 131 25 33

Description

What does a connecting rod bearing do?

This compressor connecting rod bearing set is a critical component designed to carry the rotating motion between the crankshaft and the connecting rod inside a heavy commercial vehicle's air brake compressor. By absorbing the friction and load generated during each compression stroke, this bearing allows the piston to move in a stable and vibration-free manner, which is essential for maintaining consistent air supply to the braking system.

Compatibility and application

This component is specifically designed for compatibility with Mercedes-Benz air brake compressors. It serves as a high-strength replacement part for internal compressor mechanisms, ensuring that the rotation of the crankshaft is efficiently transferred to the piston assembly to facilitate proper air compression.

Maintenance and replacement guidance

For workshop technicians, monitoring the condition of these bearings is vital for preventative maintenance. When these components wear down, they can lead to increased mechanical clearance, irregular air pressure generation, or audible knocking noises within the compressor. We recommend inspecting these parts during a full overhaul of the compressor, often replacing them alongside the piston and ring sets.

Troubleshooting symptoms

Consult your authorized distributor to check the compatibility list.

OE cross-reference

7400 940 001 (Compressor Connecting Rod Bearing) is the equivalent of the Mercedes-Benz OE number. This part directly replaces Mercedes-Benz OE number 3521312533.

Other OEMs

MERCEDES BENZ

  • A3521312533
  • 3521312533
  • 352.131.2533
  • 352.131.25.33
  • 352 131 2533
  • 352 131 25 33

Related Products

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
MERCEDES BENZ

FAQ

What is the function of a compressor connecting rod bearing?
It carries the rotating motion between the crankshaft and the connecting rod, absorbing friction to ensure stable piston movement and consistent air pressure.
Which vehicles are these bearings compatible with?
These bearings are designed for heavy commercial vehicles, specifically compatible with Mercedes-Benz air brake compressors.
What are the symptoms of a worn connecting rod bearing?
Common symptoms include irregular air pressure generation, knocking noises from the compressor, overheating, or increased vibration during operation.
Should I replace other parts when changing this bearing?
It is common practice for technicians to replace the piston and ring set during a compressor overhaul to ensure complete system reliability.
What are the OE reference numbers of this part?
7400 940 001 directly replaces Mercedes-Benz OE number 3521312533.