The Bosch knock sensor for the Volkswagen Transporter IV Bus measures 300 mm in length and is compatible with the ACU engine code in vehicles manufactured from 01/1994 to 10/1996.
- Type: Knock sensor
- Length: 300 mm
- Engine code: ACU
- Production years: 01/1994–10/1996
- Compatibility: Volkswagen Transporter IV Bus 70XB, 70XC, 7DB, 7DW, 7DK