Description

Mercury Spark Plug 8M0178257 includes four of the recommended spark plugs for Mercury V12 outboards. Replacement for NGK-LKAR7G-9. u2022 For Mercury 7.6L V12 600hp Verado and 500hp SeaPro outboards (serial No. 3B060051 and above) u2022 Includes four NGK‑ILKAR7G‑9 spark plugs u2022 Check and set gaps per the owner’s manual or the emissions control information on the cowling decal u2022 Mercury parts and accessories are backed by decades of experience in engineering, testing and manufacturing to provide the best fit, function and performance u2022 u2022