Mercury outboard spare part 8163861 (SCREW (M12 x 175)). Supplied by Dimo Marine for wholesale and export — genuine and quality aftermarket options available.
Fits 250 HP XS 6 CYL (3.0L), 300X (3.0L) PRO MAX, 300 (3.0L) ProMax, 300 (3.0L) SuperMagnum. Select a model tag above to open the exploded diagram and confirm the position.
Mercury outboard part 8163861 (SCREW (M12 x 175)), documented in 2 exploded diagram location(s), across the 2-STROKE-DFI-OPTIMAX, 2-STROKE-EFI series.
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