![Regitar USA Knock Sensor f\/Mercruiser Inboard Engines: MCM V-6 V-8 (305, 350 496 CID) MPI Engines w\/ECM 555 [RMH001]](https://cdn11.bigcommerce.com/s-jv4ukvb2hg/images/stencil/600x600/products/30767/42070/107532XL__66246.1742353825.jpg?c=1 "Regitar USA Knock Sensor f\/Mercruiser Inboard Engines: MCM V-6 V-8 (305, 350 496 CID) MPI Engines w\/ECM 555 [RMH001]")
![Regitar USA Knock Sensor f\/Mercruiser Inboard Engines: MCM V-6 V-8 (305, 350 496 CID) MPI Engines w\/ECM 555 [RMH001]](https://cdn11.bigcommerce.com/s-jv4ukvb2hg/images/stencil/1280x1280/products/30767/42070/107532XL__66246.1742353825.jpg?c=1 "Regitar USA Knock Sensor f\/Mercruiser Inboard Engines: MCM V-6 V-8 (305, 350 496 CID) MPI Engines w\/ECM 555 [RMH001]")
![Regitar USA Knock Sensor f\/Mercruiser Inboard Engines: MCM V-6 V-8 (305, 350 496 CID) MPI Engines w\/ECM 555 [RMH001]](https://cdn11.bigcommerce.com/s-jv4ukvb2hg/images/stencil/1280x1280/products/30767/42071/107532BXL__97966.1742353826.jpg?c=1 "Regitar USA Knock Sensor f\/Mercruiser Inboard Engines: MCM V-6 V-8 (305, 350 496 CID) MPI Engines w\/ECM 555 [RMH001]")
![Regitar USA Knock Sensor f\/Mercruiser Inboard Engines: MCM V-6 V-8 (305, 350 496 CID) MPI Engines w\/ECM 555 [RMH001]](https://cdn11.bigcommerce.com/s-jv4ukvb2hg/images/stencil/1280x1280/products/30767/42072/107532CXL__98645.1742353826.jpg?c=1 "Regitar USA Knock Sensor f\/Mercruiser Inboard Engines: MCM V-6 V-8 (305, 350 496 CID) MPI Engines w\/ECM 555 [RMH001]")
Product Overview
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
Brochure (pdf)
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![Regitar USA Idle Air Control f\/Mercruiser MCM 3.0L MPI, V-6 V-8 (305, 350 496 CID) MPI Engines w\/ECM 555 [RMS004]](https://cdn11.bigcommerce.com/s-jv4ukvb2hg/images/stencil/500x659/products/30830/42221/107650XL__22587.1742354018.jpg?c=1 "Regitar USA Idle Air Control f\/Mercruiser MCM 3.0L MPI, V-6 V-8 (305, 350 496 CID) MPI Engines w\/ECM 555 [RMS004]")
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