NGK 4363 Spark Plug NetSuite-ID_551177 3/16" small posts and is

3/16" small posts and is externally grounded

Four-Prong Ground Electrode Insert: Increases the spark surface area for extended plug life without the cost of precious metals

Smooth tread

Oregon ignition coils provide ease of replacement to restore the power of your engine faster than ever before

Trimmer head Cover

NGK 4363 Spark Plug NetSuite-ID_551177 3/16" small posts and isengineered specifically for lawn mowers, chainsaws, trimmers, and other outdoor machinery, these spark plugs deliver exceptional performance and reliability. Many parts look similar, so its crucial to ensure youre choosing the right replacement for your original equipment or engine model. Not sure? Use our Parts Lookup Tool to view part diagrams and find the correct replacement. Trivalent metal plating provides superior anti corrosion and anti seizing