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-14H |
| OEM Part Number | 104574 |
Application/Fitment Attributes12 attributes
| Application Type | Semi-Trucks, Heavy Duty Trucks |
|---|---|
| Balance Port Size | 1/8-27 NPT |
| Compatible Repair Kit Part Number | F224642 |
| Delivery Port Qty | 2 |
| Delivery Port Size | 1/2-14 NPT |
| Exhaust Port Size | Dust Shield |
| Mounting Hole Qty | 2 |
| Mounting Hole Size | 0.433 in. |
| Service Port Size | 1/4-18 NPT |
| Supply Port Size | 1/2-14 NPT |
| Supply Port Qty | 2 |
| Universal Mounting Bracket Included | Yes |
Dimensional/Physical Attributes2 attributes
| Material | Die-cast Aluminum |
|---|---|
| Valve Body Configuration | 2 SUP / 2 DEL (H) |
Technical/Performance Attributes4 attributes
| Control Port Orientation | 270 deg. |
|---|---|
| Crack Pressure | 4.0 psi |
| Maximum Operating Temperature | 200 deg. F (93 deg. C) |
| Minimum Operating Temperature | -40 deg. F (-40 deg. C) |
Packaging / Logistics Attributes:1 attribute
| Net Weight | 3.10 lb. |
|---|
Intended Application
- For air brake systems of trucks, trailers and buses.
- Ideal for systems with spring brakes, where the anti-compounding function is crucial to avoid double brake application problems.
- Improves the efficiency of the brake system in heavy-duty and commercial vehicles.
- Bendix: 104574, K104574
- Freightliner: BW104574
- Kenworth: 104574BXW
- Mack: 745-104574, 25166438
- Meritor: R955104574
- PAI: EM36840
- Wabco: R955104574
