Free Shipping On Orders Over $49

Sierra Knock Sensor For Mercury Marine/OMC/Volvo Engine, Sierra Part #18-7677

Item # 749823
Please make sure all selections are complete and a valid quantity is entered and try again.

Ships within 5 - 6 business days

Additional Information:
  • Additional discounts do not apply.


  • Sierra Part #18-7677

  • Knock sensor

  • For Mercury Marine/OMC/Pleasurecraft/Volvo engine

Product Summary 

Sierra knock sensor for Mercury Marine/OMC/Pleasurecraft/Volvo engine. Sierra Part #18-7677.

OEM Part Numbers:
Mercury Marine: 806612T
OMC: 3850357
Pleasurecraft: R020027
Volvo: 3850357