101890 MV3 Valve — Dash Control for Heavy-Duty Air Brakes
The 101890 MV3 valve is a dependable dash-mounted control for heavy-duty
air brake systems. It manages parking and tractor protection functions from a single
assembly, helping maintain safe operation and quick system response in tractors and vocational trucks.
Key Features & Benefits
- Integrated control: Combines parking and tractor protection functions
- Consistent performance: Smooth actuation and reliable sealing
- Fleet-ready durability: Built for demanding duty cycles
- Serviceable design: Streamlined replacement and troubleshooting
Typical Applications
- Class 7–8 tractors and day cabs
- Vocational trucks: dump, refuse, mixer, utility
- Tractor–trailer combinations requiring dash control of parking circuits
Specs & Details
| Part Number | 101890 |
|---|---|
| Type | MV3 dash control valve (parking & tractor protection) |
| System | Heavy-duty air brake |
| Mounting | Instrument panel / dash |
| Notes | Verify port layout, knob style, and mounting pattern against original |
Compatibility & Cross-Reference
This listing covers the 101890 MV3 valve used on a wide range of tractors and vocational trucks.
Compare your unit’s tag, port orientation, and dash opening before ordering.
Need help confirming fit? Contact our team with photos and vehicle details.
Installation Tips
- Park on level ground, secure the vehicle, and bleed residual air pressure
- Label lines before removal to ensure correct reconnection
- Inspect air lines and fittings; replace worn components to prevent leaks
- After installation, leak-test and confirm proper parking/tractor protection operation
Ready to order? Click here.