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11 20 51 Cylinder Head for Mercedes-Benz

11 20 51

Summary

This heavy-duty cylinder head is designed for Mercedes-Benz air brake compressors. It provides essential sealing and chamber architecture to maintain stable pneumatic pressure within the braking system. Equivalent to OE Mercedes-Benz 0001312421 and WABCO 4111516544.

Product identifiers
EAN Code8699031027548
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Compatible OEM Codes

  • WABCO
    • 411 151 654 4
  • MERCEDES BENZ
    • 000 131 24 21

Description

What does a cylinder head do?

This cylinder head serves as a critical component within the air brake compressor assembly, managing the combustion or compression chamber environment. It is engineered using high-strength components to withstand the high-pressure cycles required for reliable braking performance in heavy commercial vehicles.

Compatible vehicles and systems

The part is compatible with Mercedes-Benz systems and is often used in conjunction with WABCO systems. It ensures proper air flow and pressure regulation within the compressor architecture, supporting the overall integrity of the pneumatic braking circuit.

Installation and maintenance

When replacing this component, technicians should inspect the valve plate and gaskets to ensure a complete seal. Proper installation is vital to prevent air leaks and maintain consistent compressor output during heavy-duty operation.

Selection guidance

Selection should always be based on the specific compressor architecture to ensure correct fitment and performance.

OE cross-reference

11 20 51 (Compressor Cylinder Head) is the equivalent of the Mercedes-Benz and WABCO OE numbers. This part directly replaces Mercedes-Benz OE number 0001312421. It also replaces WABCO OE number 4111516544.

Other OEMs

MERCEDES BENZ

  • A0001312421
  • A0001312221
  • 0001312421
  • 000 131 24 21

WABCO

  • 4111516544
  • 411.151.654.4
  • 411 151 654 4

Related Products

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
MERCEDES BENZ
WABCO

FAQ

What is the function of a compressor cylinder head?
The cylinder head seals the compression chamber and manages the air flow paths necessary for generating pneumatic pressure in the braking system.
Which vehicle brands are compatible with this part?
This specific component is designed for use in Mercedes-Benz commercial vehicles and is compatible with WABCO systems.
What should be checked during installation?
Technicians should ensure all sealing surfaces are clean and inspect associated gaskets to prevent pressure drops within the system.
How do I ensure I select the correct cylinder head?
Since different engine options may require different architectures, always verify compatibility based on the existing compressor's reference.
What are the OE reference numbers of this part?
11 20 51 directly replaces Mercedes-Benz OE number 0001312421. It also replaces WABCO OE number 4111516544.