NGK 1679 LMAR6C-9 Standard Nickel Spark Plug

The NGK 1679 LMAR6C-9 is a standard nickel spark plug engineered for reliable performance in automotive, motorcycle, and marine applications. Featuring a 10mm thread size with 26.5mm reach and gasket seat design, this resistor-type spark plug delivers dependable ignition with a heat range of 6 for optimal performance across diverse operating conditions.

Key Features:

• Solid copper core provides superior heat dissipation and conductivity
• 99% pure alumina silicate insulator allows for longer insulator noses for reduced fouling
• Triple gasket sealing process eliminates fuel leakage
• Corrugated ribs prevent flashover
• Trivalent metal plating provides superior anti-corrosion and anti-seizing properties
• Cold rolled threads inhibit damage to the cylinder head
• Nickel electrode tip with projected center electrode design
• Pre-gapped to 0.035" (0.9mm)

Technical Specifications:

• Thread Diameter: 10mm (1.0mm pitch)
• Reach: 26.5mm (1.043")
• Hex Size: 14mm (9/16")
• Resistor: 5k Ohm
• Torque Specs: 7.2-10.8 lb-ft (cast iron), 7.2-8.7 lb-ft (aluminum)

This spark plug replaces Honda OEM part numbers 31908-ZZ3-003, 31908-ZZ3-0030, and 31908-ZZ3-A0031. Sold individually with a standard pack quantity of 10. NGK's proven reputation as an OE supplier ensures you're getting the same quality spark plug trusted by major automotive manufacturers worldwide.