The Bendix 234433 is a Type 9 (TYP-9) air brake chamber diaphragm used in service air brake chamber assemblies. This rubber diaphragm is the flexing member that converts air pressure into the mechanical push that applies the foundation brakes, and it is sized for a Type 9 chamber. It carries a nominal 12 in. profile and cross-references to a wide range of aftermarket numbers including BW234433, 18090, and TYPE9L, making it a straightforward replacement when servicing air brake chambers. This is a genuine Bendix part from Pro Gear and Transmission. Not sure this is your part? Give us a call to confirm proper fit for your application.
Features
Bendix Type 9 (TYP-9) air brake chamber diaphragm
Bendix part number 234433, also listed as BW234433
Service replacement diaphragm for air brake chamber assemblies
Nominal 12 in. diameter profile
Cross-references include 18090, 1519TEC, MDP-4090, TYPE9L
Tech Specs
- Type: Air brake chamber diaphragm
- Chamber size: Type 9 (TYP-9)
- Diameter: 12 in. nominal
- Bendix part number: 234433 or BW234433
