WE OFFER AFFIRM & SHOPPAY INSTALLMENTS TO PAY OVER TIME! ORDERS OVER $250.00 HAVE A 0% APR INTEREST OPTION! WE ARE AVAILABLE VIA CHAT, TEXT OR EMAIL FOR ANY CUSTOMER SERVICE OR TECHNICAL SUPPORT QUESTIONS. USE THE CHAT BUTTON ON THIS SITE, TEXT 815 246 2535 OR EMAIL US AT SUPPORT@LAKESIDEMARINEANDSERVICE.COM.

FREE SHIPPING ON MOST ORDERS OVER $550.00 SOME EXCLUSIONS APPLY

primary warehouse in stock orders placed before 12 pm cst will ship same business day

Expert Customer Service Call/Text 815 246 2535

FREE SHIPPING ON MOST ORDERS OVER $550.00 SOME EXCLUSIONS APPLY

NGK LKAR7C-9 Spark Plug Stock Number 9391

NGK LKAR7C-9 Spark Plug Stock Number 9391

SKU: LKAR7C-9

$10.69

By NGK

Quantity

8 in stock

This spark plug fits the following outboards:

Various Yamaha Outboards
Various Mercury Outboards

To confirm compatibility, please check with your owner's manual.

NGK standard plugs are constructed for longer life and optimum performance.

Trivalent metal plating provides superior anti-corrosion and anti-seizing properties
Corrugated ribs prevent flashover
Pure alumina silicate ceramic insulator, provides superior strength and better heat transfer
Copper core aids in heat removal
Triple seals prevent leakage

Newsletter

Sign up for exclusive offers, original stories, activism awareness, events and more.

***Free Shipping

We offer free shipping on orders over $550 including trolling motors. Some exclusions apply.

© 2026 Lakeside Marine & Service. Powered by Shopify