Knock SensorĀ 

Additional Details:

  • Fits: MCM V-6 & V-8 (305, 350 & 496 CID) MPI Engines With ECM 555

Interchanges/Replaces

Mercruiser Stern Drive

  • 878187
  • 8M6003194

Mercury Marine

  • 878187
MSRP: $108.82
Your Price: $77.99
You Save: 28% off MSRP!

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