K105789K99 Compatible Knorr-Bremse Compressor Cylinder Head
12 21 10
Summary
This compressor cylinder head is a heavy-duty grade component designed to seal the compression chamber. It is compatible with Knorr-Bremse systems and serves as a critical service part for rebuilding air brake compressors in workshop environments. Equivalent to OE Knorr-Bremse K105789K99.
| EAN Code | 8699031059440 |
|---|
Ready to Order
Compatible OEM Codes
-
KNORR-BREMSE
- K105789K99
- K105789K50
-
MAN
- 51.54114-6092
Description
What does a compressor cylinder head do?
A compressor cylinder head is the cast service component that sits on top of an air brake compressor's cylinder block and seals the compression chamber from above. This component is essential for performing an in-place rebuild of a compressor unit, allowing workshop technicians to restore performance without replacing the entire assembly.Compatibility and function
This cylinder head is compatible with Knorr-Bremse systems. It functions by housing the seats for the inlet and discharge valves, internal air passages, and necessary cooling cavities. These features directly govern both the air output and the operating temperature of the compressor during heavy-duty operation.Installation and maintenance
When performing maintenance, technicians should verify the specific architecture of the compressor, as heads vary between single-cylinder, twin-cylinder, air-cooled, or water-cooled designs. Proper installation ensures correct sealing of the compression chamber and maintains stable air pressure for the braking system.Selection guidance
Consult your authorized distributor to ensure this component matches the specific compressor architecture required for your application.OE cross-reference
12 21 10 (Compressor Cylinder Head) is the equivalent of the Knorr-Bremse OE number. This part directly replaces Knorr-Bremse OE number K105789K99.Other OEMs
KNORR-BREMSE
- K105789K99
- K105789K50
MAN
- 51541146092
- 51.54114.6092
- 51.54114-6092
Related Products
Used In
Compatible Vehicles
| Brand | Model | Model Type | Engine |
|---|---|---|---|
| KNORR-BREMSE | |||
| MAN |
FAQ
What is the function of a compressor cylinder head?
The cylinder head sits atop the compressor block to seal the compression chamber, housing the valve seats and air passages necessary for air production.
Can this part be used to rebuild an existing compressor?
Yes, this component allows workshop technicians to rebuild a compressor in place rather than requiring a full unit replacement.
What should I check before installation?
Technicians should verify if the unit requires an air-cooled or water-cooled head design and ensure it matches the existing compressor architecture.
How can I identify if my compressor needs a new cylinder head?
Symptoms often include changes in air output or fluctuations in running temperature, indicating a potential seal or valve seat issue within the head.
What are the OE reference numbers of this part?
12 21 10 directly replaces Knorr-Bremse OE number K105789K99.