Electronic Throttle Body (74mm bore) Part no: 0280750474 / 0280750779 Description - 74mm Bore size - Dual potentiometer redundancy - OE quality and performance -Includes groove on inlet port flange - Use mating connector D 261 205 358-01 Specifications Application and model suitability: - Generic use - Custom applications - Requires electronic accelerator pedal or mechanical pedal with integrated sensors and ECU capable of running ETC Pin 1 A - Motor - Pin 2 B - Pot - Pin 3 C - Pot + Pin 4 D - Motor + Pin 5 E - Pot 2 Pin 6 F - Pot 1 Bolt pattern: 70x70mm cc ATTENTION! These throttles can have both part number 0280750474 or 0280750779 depending on whether Bosch sold it as a spare part as these throttles are originally installed on some sports cars or if it was sold as an aftermarket part. It is exactly the same throttle house 1:1 with exactly the same software.