Manufacturer Part Number SEB993. Reference OE/OEM Number 8 SEAT 038 957 147B, SEAT 038 957 147E, SKODA 038 957 147B. Reference OE/OEM Number 9 SKODA 038 957 147E, VAG 038 957 147B, VAG 038 957 147E. By ensuring accurate engine timing, it enhances performance, improves fuel efficiency, reduces emissions, and supports smooth starting and acceleration.