Proline HD Type 18/24 double-diaphragm air disc spring brake chamber designed for heavy-duty commercial trucks, trailers, and buses.
- Chamber Type: Type 18/24 (Size 18 service brake, Size 24 spring/parking brake)
- Stroke Length: 2.50 inches (standard stroke)
- Port Size: 3/8″-18 NPTF air port threads
- Common Cross-References / Replaced Numbers: Replaces Bendix numbers (such as K132352, K043329, K026451, 5020489) as well as Automann 179.SB1824DB and 1824TLD2.



