NGK 5899 IZFR5J Laser Iridium Spark Plug
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New South Wales 2000,
AU
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$13.99
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Precision spark plug for smooth combustion
The NGK 5899 IZFR5J Laser Iridium Spark Plug delivers reliable ignition for smooth combustion and stable engine performance. Featuring a laser-welded iridium centre electrode and platinum-tipped ground electrode, this resistor-type plug is engineered specifically for high-performance Direct Fuel Injection (DFI) outboard systems. Compatible with selected Mercury OptiMax, Tohatsu, and Nissan outboards.
NGK 5899 IZFR5J Laser Iridium Spark Plug Features:
- Built to NGK standards for long life and consistent performance
- High-quality OEM replacement
- Trivalent metal plating for strong anti-corrosion and anti-seizing protection
- Corrugated ribs help prevent flashover
- Pure alumina silicate ceramic insulator for strength and efficient heat transfer
- Copper core aids heat dissipation
- Triple seals help prevent gas leakage
NGK 5899 IZFR5J Laser Iridium Spark Plug Specifications:
Shell:
- Model Number: IZFR5J
- Part Number: 5899
- Thread Diameter: 14 mm
- Thread Pitch: 1.25 mm
- Seat Type: Gasket
- Reach: 19 mm (3/4")
- Hex Size: 16 mm (5/8")
- Terminal Type: Solid
- Overall Height: ISO
- Gap: 0.8 mm (0.031")
Centre Electrode:
- Material: Iridium
- Type: Fine Wire
- Size: 0.6 mm
- Design: Extended Projection
Ground Electrode:
- Material: Platinum
- Type: Standard
- Quantity: 1
Electrical Performance:
- Resistor: Yes (5k Ohm)
- Heat Range: 5
Installation:
- Torque (Aluminium): 25-30 Nm (18-21.6 lb-ft)
- Torque (Cast iron): 25-34 Nm (18-25.3 lb-ft)
Compatible Mercury Marine Outboards:
- Fits 75HP, 90HP, and 115HP OptiMax / DFI models
- OEM cross-reference: 33-892567Q, 892567001, 8M0058935
Compatible Tohatsu/Nissan Outboards:
- MD75B
- MD75C2
- MD90B
- MD90C2
- MD115A
- MD115A2
- OEM cross-reference: 9701-1-1109 (also referenced as 9791-1-1109)
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