- Air-Applied Brakes (12)
- Direct-Acting Brakes (5)
- Discs & Brake Accessories (7)
- Hydraulic-Applied Brakes (10)
- Manual & Wedge Brakes (4)
- Spring-Applied Brakes (19)
- Ultrajet (0)
The 7243 Non-Drain Back Valve is the replacement for the 7143 and 7153. It is used in power steering systems. This is to allow use of the helm pump when power-driven hydraulic pumps are not operational.