The Fortpro PP-3 Push Pull Valve with Automatic Tripper is engineered as a replacement for 288746, 279159, and 283051 models, delivering reliable tractor parking brake control for commercial semi-trucks and heavy trucks. Made from durable metal alloy, this air brake valve features a 7/8-20 UNEF-2A mounting thread, 1/8-27 NPT ports, and 40 psi automatic release. Built for temperatures from -40 deg. F to 200 deg. F, it meets strict FMVSS-121 standards.
Fortpro is a trusted leader in the development and manufacturing of premium-quality truck parts designed to meet the demands of semi-trucks and heavy-duty trucks. Renowned for innovation, durability, and reliability, Fortpro products are engineered to enhance performance, safety, and efficiency across a wide range of trucking applications.
Whether you're seeking OEM replacement parts or upgrades, Fortpro provides a diverse selection of components backed by a global reputation for quality and innovation. Trust Fortpro for the parts you need to keep your vehicles on the road longer and stronger.
- Brand: Fortpro
- Vehicle Type: Semi-Trucks / Heavy Trucks
- Product Department: Brakes
- Product category : Air Brake Valves
- Part Type: Push Pull Valve / Air System PP3-Control
- OEM Reference #: 288746, 279159, 283051
- Material: Metal Alloy
- Length: 4.63 in.
- Height: 2.07 in.
- Width: 2 in.
- Valve Mounting Thread : 7/8-20 UNEF-2A
- Supply Port (1): 1/8in-27
- Delivery Port (1): 1/8-27 NPT
- Exhaust Port (1): 1/8-27 NPT
- Automatic Release Pressure: 40 PSI
- Plunger / Button Height: 1.15 in.
- Plunger Diameter: .374 in.
- Minimum Operating Temperature: -40 °F (-40 °C)
- Maximum Operating Temperature: 200 °F (93 °C)
- Applications:
Tractor parking brakes in systems that comply with the FMVSS-121
Standard for air brake systems in commercial vehicles.
- Bendix: 288746, 279159, 283051
- Mack: MAK745-288746, 745-288746
- PAI: LPP-5591, EM55910
