Check Specification & Cross-references
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 Information | |||
|---|---|---|---|
| Product Line | Brakes | Category Name | Air Brake Valves |
| Part Type | Pressure Protection Valve | Alternate Part Name | Air Brake Pressure Protection Valve |
| OEM Part Number | AE4170 | ||
| Application/Fitment Attributes | |||
| Application Type | Heavy Duty Trucks, Semi-Trucks | Mounting Hole Qty | 2 |
| Mounting Hole Size | M8 | Port 1 Thread Size | M22 x 15 mm |
| Port 1 Type | Supply Port | Port 2.1 Thread Size | M16 x 1.5 mm |
| Port 2.1 Type | Output to Service Brake 1 | Port 2.2 Thread Size | M16 x 1.5 mm |
| Port 2.2 Type | Output to Service Brake 2 | Port 2.3 Thread Size | M16 x 1.5 mm |
| Port 2.3 Type | Parking Brake and Trailer Exit | Port 2.4 Thread Size | M16 x 1.5 mm |
| Port 2.4 Type | Output to Auxiliary Circuit | Ports Thread Type | Metric |
| Dimensional/Physical Attributes | |||
| Material | Die-cast Zinc | ||
| Technical/Performance Attributes | |||
| Circuits Opening Pressure | 7.0 bar | Dynamic Closing Pressure | 4.5 bar |
| Operating Temperature Range | -40 deg. C a +80 deg. C. | ||
| Packaging / Logistics Attributes | |||
| Net Weight | 1.76 lb. | ||
| Additional Information | |||
| Intended Application |
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- Knorr: AE4170
- Mercedez-Benz: 001-431-87-06, 001-431-89-06, 001-431-93-06
- Newstar: S-9639
- Renault Trucks: 5000-788-503
- Wabco: 934-102-250-0
Dimensions Not Available.