Built by NGK, the NGK Iridium Spark Plug Box of 4 (LFR7AIX) – Plugs – 2309 replaces a part that was never meant to keep up. Materials and finish are chosen for the load this spark plug actually sees, which is why it survives heat, salt and road grit that end cheaper parts early.

Materials and finish are chosen for the load this spark plug actually sees, which is why it survives heat, salt and road grit that end cheaper parts early. If you are shopping a spark plug for the applications listed by the manufacturer, the NGK Iridium Spark Plug Box of 4 (LFR7AIX) – Plugs – 2309 is the piece that earns its keep.

• Genuine NGK spark plug, part number 2309
• Engineered fitment for the applications listed by the manufacturer
• Direct replacement or upgrade for the factory piece, using factory mounting points
• Built from materials rated for real heat, load and weather, not showroom duty
• Backed by the manufacturer warranty and by our own fitment support before you order
• Ships from current production stock through our direct distribution account
• Shipping weight about 0.5 lb, packed to arrive undamaged
• Sold as a set of 4

Fitment: the applications listed by the manufacturer. Always match the year, make, model, engine and trim of your vehicle against the manufacturer listing before ordering, and check any option codes that change the part on your build.

Not sure it is the right one? Send us your year, make, model and engine and we will confirm before you buy. Not sure it is the right one? Send us your year, make, model and engine and we will confirm before you buy.