Evinrude/Johnson Heat Sink Compound
Heat sink compound Type 120 is a thermal joint compound specified in the outboard service manual. This product fills in the gaps between the thermostatic sensors and the block to allow for more precise reading of the ambient block temperatures when reporting to the engine alarm / warning systems. This product helps guarantee positive temperature readings to help protect your engine.
Available in 5 ounce squeeze tube sufficient for several repair jobs.