25 21 10 Cylinder Head for WABCO compressors
25 21 10
Summary
High-strength Compressor Cylinder Head engineered for heavy commercial vehicle pneumatic systems. Compatible with WABCO systems and fitted to Freightliner, Peterbilt, Kenworth, and Volvo trucks utilizing Cummins ISX15 or X12 engines. Designed for durability under high-pressure air brake operation. Equivalent to OE WABCO 9111539442.
| EAN Code | 8699031055985 |
|---|
Ready to Order
Compatible OEM Codes
-
WABCO
- 911 153 944 2
Description
What does a compressor cylinder head do?
A compressor cylinder head is a critical component within the pneumatic brake system that manages air compression and chamber sealing.Vehicle and engine compatibility
This cylinder head is designed for heavy commercial vehicles, ensuring reliable air pressure delivery for braking and pneumatic functions. It is compatible with WABCO systems and is widely used in high-demand environments. This part is fitted to Freightliner, Peterbilt, Kenworth, Volvo, Western Star, International, and MCI trucks powered by Cummins ISX15 or X12 engines.Installation and maintenance
Installation requires precise alignment with the compressor block to ensure an airtight seal. Technicians should verify the bolt hole pattern and discharge port dimensions against the existing unit to prevent pressure leaks. Maintenance of the sealing surfaces during assembly is essential to maintain optimal system performance.Selection guidance
Consult your authorized distributor to check the compatibility list.OE cross-reference
25 21 10 (Compressor Cylinder Head) is the equivalent of the WABCO OE number. This part directly replaces WABCO OE number 9111539442.Other OEMs
WABCO
- 9111539442
- 911.153.944.2
- 911 153 944 2
Related Products
Used In
Compatible Vehicles
| Brand | Model | Model Type | Engine |
|---|---|---|---|
| CATERPILLAR | ISB | ||
| CATERPILLAR | ISX | ||
| CATERPILLAR | ISX15 | ||
| CATERPILLAR | X15 | ||
| CUMMINS | |||
| CUMMINS | ISX15 | ||
| CUMMINS | QSX15 | ||
| CUMMINS | X12 | ||
| CUMMINS | X15 | ||
| FREIGHTLINER | 108SD | X12 | |
| FREIGHTLINER | 114SD | ISX15 | |
| FREIGHTLINER | 114SD | X12 | |
| FREIGHTLINER | 122SD | ISX15 | |
| FREIGHTLINER | Argosy | ISX15 | |
| FREIGHTLINER | Cascadia | ISX15 | |
| FREIGHTLINER | Cascadia | X12 | |
| FREIGHTLINER | Century Class | ISX15 | |
| FREIGHTLINER | Classic | ISX15 | |
| FREIGHTLINER | FLD120 | ISX15 | |
| FREIGHTLINER | M2 112 | X12 | |
| FREIGHTLINER | Next Gen Cascadia | ISX15 | |
| INTERNATIONAL | 3300 | CUMMINS ISB | |
| INTERNATIONAL | 9200I | CUMMINS ISX | |
| INTERNATIONAL | 9400I | CUMMINS ISX | |
| INTERNATIONAL | 9900i | ISX15 | |
| INTERNATIONAL | 9900I | CUMMINS ISX | |
| INTERNATIONAL | DURASTAR | CUMMINS ISB | |
| INTERNATIONAL | HX520 | ISX15 | |
| INTERNATIONAL | HX620 | ISX15 | |
| INTERNATIONAL | LoneStar | ISX15 | |
| INTERNATIONAL | LONESTAR | CUMMINS ISX15 | |
| INTERNATIONAL | LONESTAR | CUMMINS X15 | |
| INTERNATIONAL | LT | ISX15 | |
| INTERNATIONAL | LT SERIES | CUMMINS X15 | |
| INTERNATIONAL | ProStar | ISX15 | |
| INTERNATIONAL | PROSTAR | CUMMINS ISX15 | |
| INTERNATIONAL | WORKSTAR | CUMMINS ISB | |
| KENWORTH | C500 | ISX15 | |
| KENWORTH | C509 | ISX15 | |
| KENWORTH | K200 | ISX15 | |
| KENWORTH | T2000 | ISX15 | |
| KENWORTH | T440 | X12 | |
| KENWORTH | T470 | X12 | |
| KENWORTH | T600 | ISX15 | |
| KENWORTH | T610 | ISX15 | |
| KENWORTH | T659 | ISX15 | |
| KENWORTH | T680 | ISX15 | |
| KENWORTH | T680 | X12 | |
| KENWORTH | T800 | ISX15 | |
| KENWORTH | T880 | ISX15 | |
| KENWORTH | T880 | X12 | |
| KENWORTH | T909 | ISX15 | |
| KENWORTH | W900 | ISX15 | |
| KENWORTH | W990 | ISX15 | |
| MACK | Anthem | ISX15 | |
| MCI | D4505 | ISX15 | |
| MCI | D4505 | X12 | |
| MCI | J4500 | ISX15 | |
| MCI | J4500 | X12 | |
| PETERBILT | 348 | X12 | |
| PETERBILT | 357 | ISX15 | |
| PETERBILT | 367 | ISX15 | |
| PETERBILT | 377 | ISX15 | |
| PETERBILT | 378 | ISX15 | |
| PETERBILT | 379 | ISX15 | |
| PETERBILT | 389 | ISX15 | |
| PETERBILT | 520 | X12 | |
| PETERBILT | 548 | X12 | |
| PETERBILT | 567 | ISX15 | |
| PETERBILT | 567 | X12 | |
| PETERBILT | 579 | ISX15 | |
| PETERBILT | 579 | X12 | |
| PREVOST | H3-45 | ISX15 | |
| PREVOST | X3-45 | ISX15 | |
| VOLVO | VNL 300 | ISX15 | |
| VOLVO | VNL 400 | ISX15 | |
| VOLVO | VNL 740 | ISX15 | |
| VOLVO | VNL 760 | ISX15 | |
| VOLVO | VNL 860 | ISX15 | |
| VOLVO | VNX 300 | ISX15 | |
| VOLVO | VNX 400 | ISX15 | |
| VOLVO | VNX 740 | ISX15 | |
| WABCO | |||
| WESTERN STAR | 4700 | X12 | |
| WESTERN STAR | 47X | X12 | |
| WESTERN STAR | 4800 | ISX15 | |
| WESTERN STAR | 4900 | ISX15 | |
| WESTERN STAR | 49X | ISX15 | |
| WESTERN STAR | 5700XE | ISX15 | |
| WESTERN STAR | 57X | ISX15 | |
| WESTERN STAR | 6900 | ISX15 |
FAQ
What is the function of the compressor cylinder head?
The cylinder head seals the top of the compression chamber, facilitating the high-pressure air generation required for heavy commercial vehicle braking systems.
Which vehicle makes are compatible with this part?
This component is designed for heavy commercial vehicles including Freightliner, Peterbilt, Kenworth, Volvo, Western Star, International, and MCI trucks.
Can I use this with Cummins engines?
Yes, this cylinder head is compatible with Cummins engines such as the ISX15 and X12 models used in various heavy-duty truck applications.
How can I ensure correct fitment?
Technicians should verify that the discharge port thread type and bolt hole pattern match the existing unit on the vehicle's compressor.
What are the OE reference numbers of this part?
25 21 10 directly replaces WABCO OE number 9111539442.