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.
Basic Part Information5 attributes
| Product Line | Brakes |
|---|---|
| Category Name | Air Brake Valves |
| Part Type | Relay Valve |
| Model | R-6 |
| OEM Part Number | 280375 |
Application/Fitment Attributes10 attributes
| Application Type | Heavy Duty Trucks, Semi-Trucks |
|---|---|
| Compatible Repair Kit Part Number | F224741 |
| Delivery Port Qty | 3 |
| Delivery Port Size | 3/8-18 NPT |
| Exhaust Port Size | Dust Shield |
| Mounting Hole Qty | 2 |
| Mounting Hole Size | 0.41 in. |
| Service Port Size | 1/4-18 NPT |
| Supply Port Size | 1/2-14 NPT |
| Supply Port Qty | 1 |
Dimensional/Physical Attributes1 attribute
| Material | Die-cast Aluminum |
|---|
Technical/Performance Attributes4 attributes
| Crack Pressure | 2.0 psi |
|---|---|
| Maximum Operating Temperature | 200 deg. F (93 deg. C) |
| Minimum Operating Temperature | -40 deg. F (-40 deg. C) |
| Service Port Orientation | 270 deg. |
Packaging / Logistics Attributes:1 attribute
| Net Weight | 2.30 lb. |
|---|
Intended Application
- For air brake systems on trucks and heavy commercial vehicles.
- It is normally mounted at the rear of the vehicle, near the brake chambers it serves.
- It is used to improve braking response by reducing the distance and time of activation of air in the system.
- Automann: 170280375
- Bendix: 280375, 280375X
- Haldex: KN28071, KN28140
- Meritor: RKN28140
- PAI: EM36820, EM36170
- Wabco: RKN28140
