49590PLUG Inverted Flare (.437)

Mercury outboard spare part 49590 (PLUG Inverted Flare (.437)). Supplied by Dimo Marine for wholesale and export — genuine and quality aftermarket options available.

Fits 250 HP XS 6 CYL (3.0L), 300 HP XS 6 CYL (3.2L), 250 HP Sport XS 6 CYL (2.5L). Select a model tag above to open the exploded diagram and confirm the position.