801631 | Genuine OEM Bendix MV-3 Dash Air Brake Control Valve

The Genuine OEM Bendix 801631 MV-3 Dash Air Brake Control Valve is designed to manage tractor and trailer parking brake functions in compatible heavy-duty commercial vehicles. This dual-button push-pull valve combines multiple pneumatic control functions into a compact dashboard-mounted assembly.

Featuring 3/8-inch push-to-connect (PTC) elbow fittings and a durable composite housing, the Bendix MV-3 valve helps provide dependable parking brake control for commercial truck and tractor-trailer air brake systems.

PRODUCT INFORMATION

• Part Number: 801631

• Brand: Bendix

• Condition: Not specified

• Component: Dash Air Brake Control Valve

• Model: MV-3

• Valve Type: Dual-Button Push-Pull Control Valve

• System: Pneumatic Parking Brake System

• Application: Tractor and Trailer Parking Brake Control

• Port Type: 3/8" Push-to-Connect (PTC) Elbow Fittings

• Supply 11 Port: 3/8" PTC, 90° Extended Elbow, Green Cap

• Supply 12 Port: 3/8" PTC, 90° Elbow, Red Cap

• Delivery 21 Port: 3/8" PTC, 90° Elbow, Orange Cap

• Delivery 22 Port: 3/8" PTC, 90° Elbow, Black Cap

• Exhaust Port: 3/8" PTC, 90° Extended Elbow, Blue Cap

• Mounting: Four 0.200" Diameter Unthreaded Holes

• Tractor Trip Pressure: 30 ± 10 PSI

• Trailer Trip Pressure: 35 ± 10 PSI

• Trailer Override Pressure: 25 ± 5 PSI

• Operating Temperature: -40°F to 200°F (-40°C to 93°C)

• Fuel Type: Not applicable; pneumatic braking component

• Engine Applications: Not engine-specific

• Previous Part Number: Bendix 5012393

APPLICATIONS

The Bendix 801631 MV-3 Dash Control Valve is designed for compatible heavy-duty commercial vehicles equipped with air-operated parking brake systems.

Typical applications include:

• Heavy-Duty Commercial Trucks

• Highway Tractors

• Semi-Trucks

• Tractor-Trailer Combinations

• Commercial Vehicles Equipped with Compatible Bendix MV-3 Dash Control Systems

• Air Brake Systems Requiring 3/8" PTC Elbow Connections

Exact vehicle compatibility depends on the original valve configuration, dashboard mounting arrangement, air line connections, and OEM specifications.

FUNCTION

The Bendix MV-3 Dash Air Brake Control Valve allows the driver to control tractor and trailer parking brake functions from the dashboard.

The dual push-pull button arrangement manages pneumatic control signals for parking brake release and application. The valve also incorporates pressure-responsive functions that support automatic parking brake application when system pressure falls below specified levels.

A worn, damaged, or failing MV-3 dash control valve may cause symptoms such as:

• Air leakage around the dashboard control valve

• Parking brakes failing to release properly

• Difficulty applying or releasing trailer parking brakes

• Push-pull control buttons sticking or operating inconsistently

• Unexpected parking brake application

• Incorrect air pressure response during parking brake operation

WHY REPLACE AN MV-3 DASH CONTROL VALVE?

A malfunctioning dashboard parking brake valve may interfere with the proper application or release of tractor and trailer parking brakes.

Replacing a defective valve with the correct Genuine OEM Bendix 801631 MV-3 assembly helps restore intended pneumatic control, proper parking brake operation, and reliable driver control of the air brake system.

A correctly functioning dash control valve is essential for maintaining safe parking brake operation in heavy-duty commercial vehicles.

FITMENT INFORMATION

The Bendix 801631 MV-3 Dash Air Brake Control Valve is intended for specific commercial truck and tractor-trailer air brake configurations.

Before purchasing, verify:

• Original OEM Part Number: 801631

• Previous Part Number: 5012393

• Vehicle make, model, and model year

• MV-3 dashboard control valve configuration

• 3/8" PTC elbow fitting requirements

• Four-hole mounting pattern

• Tractor and trailer parking brake system specifications

• Vehicle Identification Number (VIN)

If you are unsure whether this valve fits your truck, please contact us with your VIN, truck model, model year, and original part number before ordering.

GENUINE BENDIX PART

Bendix is a recognized manufacturer of commercial vehicle braking, pneumatic control, and safety system components.

The Genuine OEM Bendix 801631 MV-3 Dash Control Valve is engineered for specified heavy-duty air brake applications, supporting proper tractor and trailer parking brake management, reliable pneumatic operation, and correct replacement fitment.