Williams Controls 133313 electronic throttle position sensor (TPS) for International / Navistar accelerator pedal assemblies. Ships with the sensor body, mounting screws, and integrated wire harness needed to drop into the OEM pedal bracket. Williams Controls has superseded this part with 340000 (integrated pedal-sensor kit), but the 133313 remains the correct service replacement where the original sensor is still in use.Signs You Need a New Throttle Position Sensor Erratic idle, surging, or sudden loss of throttle response ECM throwing TPS-related fault codes (signal out of range, no signal, intermittent open) Pedal feels normal but engine speed does not track pedal input Cruise control disengages on its own Specifications Manufacturer Williams Controls Part Number 133313 Part Type Throttle Position Sensor (TPS) Engine / Pedal Compatibility International / Navistar accelerator pedal assemblies Kit Contents Sensor + mounting screws + integrated wire harness Supersession Superseded by Williams Controls 340000 (integrated pedal-sensor kit) Cross ReferencesThis part replaces or is equivalent to the following part numbers: Williams Controls (current supersession): 340000 Navistar / International: N8888447 ApplicationsThis throttle position sensor fits the following accelerator pedal assemblies: Williams Controls accelerator pedals originally built with the 133313 sensor International / Navistar OEM pedals identified by N8888447 Representative vehicles using these pedal assemblies include Class 7 and Class 8 International / Navistar trucks (DuraStar, ProStar, WorkStar, LoneStar) and IC Bus chassis.Verify your existing pedal assembly part number before ordering. If the pedal body itself is worn, replace the complete pedal kit (Williams Controls 340000) rather than the sensor alone.
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