NGK NGK Laser Iridium Spark Plug P/N:91909

Keep every cylinder firing with a strong, consistent spark from the NGK Laser Iridium Spark Plug 91909 (NGK plug type LMAR8BI-9). It drops in as a direct-fit replacement for the listed Suzuki motorcycle applications: the 2014-2016 Suzuki DL1000 V-Strom ABS (1037cc), the 2018 Suzuki DL1000 V-Strom (1037cc), and the 2014-2016 Suzuki DL1000A (1000cc). These Laser Iridium plugs are engineered for OE applications and tested to high standards for quality and durability.

• Fine-wire iridium center electrode: iridium's density — about six times that of platinum — and very high melting point suit modern high-efficiency engines for consistent performance.
• Solid copper core: a 98% pure copper core supports heat dissipation, conductivity, and a wide heat range to help prevent overheating and provide reliable starts.
• Trivalent metal plating: adds anti-corrosion and anti-seizing properties for easier installation and removal.
• Build & specs: alumina ceramic insulator, nickel ground electrode with a J-Gap and taper-cut tip, a built-in 5,000-ohm resistor, heat range 8, M10 x 1.0 thread, 26.5 mm (1.043 in) reach, flat seat with an included crush washer, pre-gapped at 0.9 mm (0.036 in).

Spark-plug quantity varies by engine; the listed motorcycle applications call for one plug per application per the Buyer's Guide, and this listing carries a minimum order quantity of four. Country of origin: Japan.

Interchange: Manufacturer part number 91909 · NGK plug type LMAR8BI-9.