85144378 | Genuine OEM Bendix ABS Modulator Valve

The Genuine OEM Bendix 85144378 ABS Modulator Valve is a commercial vehicle braking component designed for compatible heavy-duty truck anti-lock braking systems. This valve helps regulate pneumatic brake pressure in response to commands from the ABS electronic control unit.

Designed for demanding commercial vehicle applications, the ABS modulator valve supports controlled braking by helping prevent wheel lockup during hard braking and reduced-traction conditions.

PRODUCT INFORMATION

• Part Number: 85144378

• Brand: Bendix

• Condition: Not specified

• Component: ABS Modulator Valve

• Valve Type: Electronically Controlled Pneumatic Brake Valve

• System: Anti-Lock Braking System (ABS)

• Application: Heavy-Duty Commercial Vehicle Air Brakes

• Fuel Type: Not applicable; pneumatic braking component

• Engine Applications: Not engine-specific

• Electrical Specifications: Verify against original valve

• Air Port Configuration: Verify against original valve

• Mounting Configuration: Vehicle-specific; verification required

APPLICATIONS

The Bendix 85144378 ABS Modulator Valve is intended for commercial vehicle braking configurations requiring this specific part number.

Potential applications include:

• Heavy-Duty Commercial Trucks

• Highway Tractors

• Commercial Vehicles Equipped with Compatible Bendix ABS Systems

• Pneumatic Brake Systems Using Electronic ABS Pressure Modulation

Exact fitment depends on the vehicle manufacturer, model, model year, ABS system configuration, and original valve specifications.

FUNCTION

The Bendix ABS Modulator Valve receives electrical control signals from the ABS electronic control unit and regulates compressed air pressure within the braking circuit.

During conditions where wheel lockup is detected, the ABS controller can command the modulator valve to adjust brake pressure, helping maintain wheel rotation and directional control.

A worn, damaged, or failing ABS modulator valve may cause symptoms such as:

• ABS warning light remaining illuminated

• ABS-related diagnostic trouble codes

• Air leakage around the valve assembly

• Incorrect or inconsistent brake pressure modulation

• Reduced anti-lock braking functionality

• Electrical solenoid or valve control faults

WHY REPLACE AN ABS MODULATOR VALVE?

A malfunctioning ABS modulator valve can interfere with proper brake pressure regulation and reduce the effectiveness of the anti-lock braking system.

Replacing a defective valve with the correct Bendix ABS component helps restore intended pneumatic brake control and ABS modulation when the valve is correctly matched and installed.

Reliable ABS operation is especially important for heavy-duty trucks operating under substantial loads and in changing road conditions.

FITMENT INFORMATION

The Bendix 85144378 ABS Modulator Valve requires confirmation of vehicle and braking system compatibility before installation.

Before purchasing, verify:

• Original Part Number: 85144378

• Vehicle make, model, and model year

• Original ABS modulator valve type

• Electrical connector and voltage requirements

• Air supply, delivery, and exhaust port configuration

• Valve mounting arrangement

• ABS electronic control unit compatibility

• Vehicle Identification Number (VIN)

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

GENUINE BENDIX PART

Bendix manufactures pneumatic braking, ABS, and vehicle safety components for commercial vehicles.

The Bendix 85144378 ABS Modulator Valve is offered as a replacement component for compatible heavy-duty braking systems. Confirm the original manufacturer's identification and part number to ensure the correct replacement for your application.