NGK IZFR5G Laser Iridium Spark Plug for Mercury OptiMax – 5887

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The NGK IZFR5G is a Laser Iridium resistor spark plug used in selected Mercury and Mariner OptiMax DFI two-stroke outboard engines. Its fine-wire iridium centre electrode and plati num ground electrode provide dependable ignition, consistent combustion and long service life. This spark plug is confirmed for the Mercury 200HP 3.0L V6 OptiMax DFI within serial range 0T178500–0T598999. Product details: NGK reference: IZFR5G NGK stock number: 5887 Mercury references: 33-8556721, 33-889597001, 33-889597Q RECMAR SKU: NGKIZFR5G Plug type: Laser Iridium resistor Heat range: 5 Thread diameter: 14mm Thread pitch: 1.25mm Thread reach: 19mm Hex size: 16mm / 5/8 inch Seat type: gasket Factory gap: approximately 0.8mm / 0.031 inch Resistor value: 5 kΩ Supplied individually Six spark plugs are required for the Mercury 200HP V6 OptiMax covered by this service bundle. Always confirm compatibility using the engine model and serial number before ordering for other applications. Show more