Regitar USA Knock Sensor f/Mercruiser Inboard Engines: MCM V-6 & V-8 (305, 350 & 496 CID) MPI Engines w/ECM 555

Knock Sensor for Mercruiser Inboard Engines: MCM V-6 & V-8 (305, 350 & 496 CID) MPI Engines with ECM 555

Knock Sensor for Mercruiser Inboard Engines: MCM V-6 & V-8 (305, 350 & 496 CID) MPI Engines with ECM 555.

Engine Brand:

• Mercury / Mercruiser

Fitment:

• Mercruiser 5.7L - 8.2L
• Mariner 135HP - 300HP