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12 21 50 MAN Compatible Compressor Cylinder Head

12 21 50

Summary

This compressor cylinder head is engineered for heavy commercial vehicle air brake systems, ensuring reliable pressure regulation. It is designed to be compatible with MAN trucks and Knorr-Bremse systems, utilizing high-strength components to withstand intensive operating conditions in the pneumatic system. Equivalent to OE Knorr-Bremse K114439K50 and MAN 81541146051.

Product identifiers
EAN Code8699031059372
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Compatible OEM Codes

  • MAN
    • 81.54114-6051
  • KNORR-BREMSE
    • K114439K50

Description

What does a compressor cylinder head do?

This compressor cylinder head serves as a critical component within the pneumatic air brake system, managing the compression process and maintaining stable pressure levels. Built with heavy-duty grade materials, it ensures long-term durability under the high-stress conditions typical of heavy commercial vehicle operation.

Vehicle and system compatibility

This specific component is compatible with MAN trucks and meets the requirements of Knorr-Bremse systems. It is designed to maintain precise seal integrity and thermal stability during the continuous air compression cycles required by the vehicle's braking system.

Installation and maintenance guidance

When replacing this part, technicians should verify the compressor architecture to ensure a correct match. Proper installation involves inspecting the valve plate and gasket surfaces to prevent air leaks. Maintaining clean ports is essential for optimal pneumatic performance.

Selection and troubleshooting

Consult your authorized distributor to ensure this part matches your specific compressor model and engine configuration.

OE cross-reference

12 21 50 (Compressor Cylinder Head) is the equivalent of the Knorr-Bremse and MAN OE numbers. This part directly replaces Knorr-Bremse OE number K114439K50. It also replaces MAN OE number 81541146051.

Other OEMs

KNORR-BREMSE

  • K114439K50

MAN

  • 81541146051
  • 81.54114.6051
  • 81-54114-6051
  • 81.54114-6051

Related Products

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
KNORR-BREMSE
MAN

FAQ

What is the function of a compressor cylinder head?
The cylinder head seals the top of the compression chamber, allowing for efficient air compression and pressure regulation within the pneumatic braking system.
Is this part compatible with Knorr-Bremse systems?
Yes, this component is designed to be compatible with Knorr-Bremse systems used in heavy commercial vehicle braking architectures.
What should I check before installing a new cylinder head?
Technicians should verify that the port sizes and mounting points match the existing compressor setup to ensure a proper seal.
Can I use this head on any truck?
This part is specifically compatible with MAN vehicles; always verify your compressor's specific reference to ensure exact fitment.
What are the OE reference numbers of this part?
12 21 50 directly replaces Knorr-Bremse OE number K114439K50. It also replaces MAN OE number 81541146051.