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 | Front Axle Valve | Alternate Part Name | Pressure Proportioning Valve, Limiting & Quick Release Valve |
| Model | LQ-4 | OEM Part Number | 289148 |
| Application/Fitment Attributes | |||
| Application Type | Heavy Duty Trucks, Semi-Trucks | Delivery Port Orientation (CW from Mounting) | 180 deg. |
| Delivery Port Size | 3/8-18 NPT | Exhaust Port | Open |
| Mounting Hole Qty | 2 | Mounting Hole Size | Ø .34 in. |
| Supply Port Size | 3/8-18 NPT | ||
| Dimensional/Physical Attributes | |||
| Material | Die-cast Zinc | ||
| Technical/Performance Attributes | |||
| Maximum Operating Temperature | 200 deg. F (93 deg. C) | Minimum Operating Temperature | -40 deg. F (-40 deg. C) |
| Nominal Equalizing Pressure (Blend Back) | 65 psi | Nominal Hold-Off Pressure | 10 psi |
| Packaging / Logistics Attributes | |||
| Net Weight | 1.08 lb. | ||
| Additional Information | |||
| Intended Application |
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- Bendix: 289148, 289148N, OR289148X
- Euclid: EBN289148X
- Haldex: 289148X
- Mack: 745-289148
- Meritor: R955289148X
- Navistar-International: BXOR289148X
- PAI: EM37070
