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 Information6 attributes
| Product Line | Brakes |
|---|---|
| Category Name | Air Brake Valves |
| Part Type | Modulating Valve |
| Alternate Part Name | Tractor Spring Brake Valves |
| Model | R-7 |
| OEM Part Number | 103081 |
Application/Fitment Attributes9 attributes
| Application Type | Heavy Duty Trucks, Semi-Trucks |
|---|---|
| Balance Port Size | 1/4-18 NPT |
| Control Port Size | 1/4-18 NPT |
| Delivery Port Qty | 2 |
| Delivery Port Size | 3/8-18 NPT |
| Exhaust Port Size | Dust Shield |
| Mounting Hole Qty | 2 |
| Mounting Hole Size | Ø .41 in. |
| Supply Port Size | 3/8-18 NPT |
Dimensional/Physical Attributes1 attribute
| Material | Die-cast Zinc |
|---|
Technical/Performance Attributes5 attributes
| Anti-Compounding | Yes |
|---|---|
| Exhaust Orientation | Exhaust Facing Up |
| Maximum Operating Temperature | 200 deg. F (93 deg. C) |
| Minimum Operating Temperature | -40 deg. F (-40 deg. C) |
| Spring Brake Hold-Off Pressure | 95 psi |
Compliance & Certifications1 attribute
| Regulatory Compliance | FMVSS 121 |
|---|
Packaging / Logistics Attributes:1 attribute
| Net Weight | 3.06 lb. |
|---|
Intended Application
- Heavy and commercial vehicles equipped with spring brake systems that require protection against primary circuit failure.
- Trucks and trailers that need precise braking modulation to prevent wheel lockup in emergency situations.
- Transport fleets looking to improve operational safety and reduce premature brake wear.
- Dual-circuit pneumatic brake systems, where a safe transition between the service brake and the parking brake needs to be ensured.
- Automann: 170103081
- Bendix: 103081
- Haldex: 103081X
- Euclid: EBN103081N
- International-Navistar: BEN103081N, BAR103081 BX103081 ZAC103081, BX103081RX
- Mack: 20QE3295
- Meritor: R955103081N
- PAI: EM34590, LMV3459
