Quicksilver 33-8M0204739 8M2018369 Ngk ITR4A-15 Laser Iridium Spark Plug, MerCruiser, 4.3L, 5.0L, 5.7L & 6.2L PMANTF3 Frequency: 698-960/1700-2700 MHz

Frequency: 698-960/1700-2700 MHz

Creates a waterproof repair resistant to water and many chemicals

For MerCruiser engine-mounted raw water pumps with Bravo drives

Waterproof power receptacles (16A) in five and three way models

Chrome with Engine Cut Off Switch

Quicksilver 33-8M0204739 8M2018369 Ngk ITR4A-15 Laser Iridium Spark Plug, MerCruiser, 4.3L, 5.0L, 5.7L & 6.2L PMANTF3 Frequency: 698-960/1700-2700 MHzThe ITR4A 15 spark plugs come pre gapped as specified by your engine manufacturer. Use only the spark plug listed in your engine owners manual. Using the wrong plug can reduce optimum performance, reduce fuel economy or cause damage to your engine. Spark plugs are easy to change with common spark plug sockets. The NGK pure alumina silicate ceramic insulator provides superior strength, reduces breakage and better heat transfer. The ribbed suppressor