Caterpillar 3126, Throttle Position Sensor, (GOOD USED) OEM 2001Caterpillar 3126 Williams Control Accelerator Control Pedal w/ Throttle Position Sensor 176-1602 For Sale, US Patent 5241936, Throttle Position Sensor Part # 176 1602, 1761602, Pulled off a Bluebird School Bus, Stock # 7958