3286646 S1 Cummins Compatible Cylinder Head
25 12 50
Summary
This compressor cylinder head is a high-strength component designed for heavy commercial vehicle air brake systems. It is compatible with Cummins systems to ensure optimal compression and thermal stability in demanding environments. Equivalent to OE Cummins 3286646S1.
| EAN Code | 8699031044798 |
|---|
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Compatible OEM Codes
-
CUMMINS
- 3286649 S1
- 3286646 S1
- 3286449 S1
- 3286446 S1
- 3286430 S1
-
KNORR-BREMSE
- LK3850 S1
Description
What does a compressor cylinder head do?
This cylinder head serves as the critical sealing component positioned atop the air brake compressor cylinder block. By sealing the compression chamber from above, it enables workshop technicians to rebuild compressors efficiently without requiring a complete unit replacement. This part is essential for maintaining consistent air output and managing operating temperatures during heavy-duty cycles.Compatibility and engine fitment
The component is designed to be compatible with Cummins engines and systems. It functions as a robust service part, often referred to in technical settings as a cylinder cover or top cover, ensuring the integrity of the internal air passages and valve seats.Installation and maintenance guidance
When performing installation or maintenance, technicians should verify the compatibility of the valve seats and cooling cavities. Proper seating of this head is vital to prevent pressure leaks within the compression chamber. Check all connection points to ensure stable performance under high load conditions.OE cross-reference
25 12 50 (Compressor Cylinder Head) is the equivalent of the Cummins OE number. This part directly replaces Cummins OE number 3286646S1.Other OEMs
CUMMINS
- 3286649 S1
- 3286646 S1
- 3286449 S1
- 3286446 S1
- 3286430 S1
KNORR-BREMSE
- LK3850 S1
Compatible Vehicles
| Brand | Model | Model Type | Engine |
|---|---|---|---|
| CUMMINS | |||
| KNORR-BREMSE |
FAQ
What is the function of a compressor cylinder head?
It sits on top of the cylinder block to seal the compression chamber, governing both air output and running temperature.
Which systems is this part compatible with?
This part is designed to be compatible with Cummins systems used in heavy commercial vehicle air brake compressors.
Can this part be used for compressor rebuilding?
Yes, it allows workshop technicians to rebuild an existing compressor in place rather than replacing the entire unit.
How do I ensure correct fitment for my compressor?
Selection should always be based on the specific compressor's reference number to match the architecture and port requirements.
What are the OE reference numbers of this part?
25 12 50 directly replaces Cummins OE number 3286646S1.