This is a 4 pin connector with harness for most 1998-2019 VAG T-MAP / MAP Sensor.
Wiring:
Blue: -
Red: NTC
Black: +
White: O
It will replace stock connector part # 1J0973704, with 400MM harness.
Wiring harness for MAP / T-MAP Sensor 038906051 / 051B / 051C / 051D; 03G906051E / 051F / 051M; 04E906051; 03K906051.
Great solution for TDI Engine upgrade.