Knock sensor.

- Guaranteed Fitment
- 24 Month Unlimited Mileage Warranty
- High Quality Materials
- Replacement of failed ignition knock (detonation) sensor restores proper ignition timing for optimal power and efficiency
- Direct-fit OE replacement design for easy installation
- Easy plug-and-play wiring connection
- Manufactured using high-quality polymer and corrosion-resistant metal materials to withstand engine heat
- Alloy conductors minimize electrical resistance for accurate operation

To fit:
944 S 2.5 1987-1988 2 required
944 Turbo 2.5 1986-1991 1 required
944 Turbo S 2.5 1987-1988 1 required
944 S2 3.0 1989-1994 2 required
968 3.0 1992-1995 2 required