Indmar Knock Sensor 2006+ Only

Replacement Indmar knock sensor only used on Indmar Engines 2006+.

Product Specs:

• Indmar Part# 551392 or S551392
• Not Used on LCR, LTR other Indmar low-cost motors
• ***NOTE*** Make sure to never install anything in between the block and the knock sensor other than what is factory. It is crucial for the engine's ignition system that the knock sensor has a proper connection to the engine block.
• Sold individually (qty 1 = 1 Sensor) Most engines are equipped with two, one on each side of the block.