Some info about Accelerator Pedal Position Sensors (APPS):
This sensor is used to on your vehicle in place of a traditional throttle cable. Mounted on your gas pedal, it measures the driver's input on the gas pedal.
1991 International 4900 equipped with 7.6L L6 Diesel Turbo, 7.3L V8 Diesel Turbo, 5.9L L6 Diesel Turbo
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w/WM526 Series Air/Electronic Pedal Eng Mfr: International
1991 International 4900 equipped with 7.6L L6 Diesel Turbo, 7.3L V8 Diesel Turbo, 5.9L L6 Diesel Turbo
w/WM526 Series Air/Electronic Pedal Eng Mfr: International