Throttle Position Sensor – Williams Controls 133284 | Compatible with Navistar / Volvo / Ford | Replaces 131973 / 2603893C91

Throttle Position Sensor – Williams Controls 133284

This aftermarket replacement throttle position sensor is designed for heavy-duty vehicles equipped with Williams Controls pedal assemblies. It provides accurate throttle input for ECM control and engine response.

Key Features

• 6-pin connector with digital output
• Linear voltage range: 0.5V to 4.5V
• Compatible with Cummins ISM / N14, Volvo D13, Navistar DT466 platforms
• Durable ABS housing with sealed electronics
• 3-year warranty and 30-day return policy

Fitment Compatibility

• Navistar International: 4000 Series, 7000 Series, ProStar, WorkStar – 1998–2012
• Volvo Trucks: VNL / VNM / VHD – 2000–2015
• Ford Heavy Duty: F-650 / F-750 – 2000–2010
• Peterbilt / Freightliner: Select models with Williams pedal assemblies

Replaces OEM Part Numbers

• Williams Controls: 133284, 131973
• Navistar: 2603893C91, 2603895C91, 2586248C91, 2587164C92, 1697269C91
• Volvo: 85101350
• Ford: 8C40-9F832-BA

What's Included

• 1 x Throttle Position Sensor

Installation Notes

• Mounts to Williams Controls pedal assembly
• Ensure connector is fully seated and sealed
• Some ECMs may require throttle calibration after installation

Performance Restoration

Ideal for resolving throttle lag, erratic acceleration, or ECM fault codes. This sensor restores OEM throttle response and ensures smooth engine control under all load conditions.