| 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-5 |
| OEM Part Number | 65154 |
| Application Type | Heavy Duty Trucks, Semi-Trucks |
| Control Port Size | 1/8-27 NPT |
| Delivery Port Orientation (CW from Mounting) | 180 deg. |
| Delivery Port Size | 3/8-18 NPT |
| Exhaust Port | Open |
| Mounting Holes Size | Ø .34 in. x 2 |
| Supply Port Size | 3/8-18 NPT |
| Material | Die-cast Zinc |
| Maximum Operating Temperature | 200 deg. F (93 deg. C) |
| Minimum Operating Temperature | -40 deg. F (-40 deg. C) |
| Nominal Equalizing Pressure (Blend Back) | Variable based on Control pressure (Standard) |
| Nominal Hold-Off Pressure | 8 psi |
| Net Weight | 0.94 lb. |
| Cross References | 065154, 107196, 1619733C91, 170065154, 20QE3338, 65154X, 745-065154, 745065154, AV065154, BX065154, LAV-5239, LAV5239 |
| Intended Application | - Tractor trucks (front axle)
- Long chassis trucks (rear axle or rear axle group)
- Used only on long wheelbase vehicles, not on other configurations.
- Lift axles without ABS.
- Bobtail mode (Tractor truck without trailer)
- Use in conjunction with the BP-R1 valve.
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