Mercury outboard spare part 859119 (NUT (5/16-18)). Supplied by Dimo Marine for wholesale and export — genuine and quality aftermarket options available.

Fits 200 HP XS 6 CYL (2.5L), 250 HP XS 6 CYL (3.0L), 225 EFI PRO MAX/SUPER MAG, 200 EFI PRO MAX/SUPER MAG, 150/200 HP PRO MAX/SUPER MAG, 300X (3.0L) PRO MAX. Select a model tag above to open the exploded diagram and confirm the position.

Part Specifications and Installation Reference

Mercury outboard part 859119 (NUT (5/16-18)), documented in 7 exploded diagram location(s), across the 2-STROKE-DFI-OPTIMAX, 2-STROKE-EFI series.

SeriesModelSerial rangeREFQtyDiagram
Mercury 2-STROKE-DFI-OPTIMAX200-hp-xs-6-cyl-2-5l0T235000 THRU 0T818180154View
Mercury 2-STROKE-DFI-OPTIMAX200-hp-xs-6-cyl-2-5l0T818181 THRU 1E000796154View
Mercury 2-STROKE-DFI-OPTIMAX200-hp-xs-6-cyl-2-5l1E000797 THRU 1E002110154View
Mercury 2-STROKE-DFI-OPTIMAX250-hp-xs-6-cyl-3-0l0T651945 THRU 0T818042154View
Mercury 2-STROKE-DFI-OPTIMAX250-hp-xs-6-cyl-3-0l0T818043 THRU 0T997973154View
Mercury 2-STROKE-DFI-OPTIMAX250-hp-xs-6-cyl-3-0l0T997974 THRU 1E000796154View
Mercury 2-STROKE-EFI150-200-hp-pro-max-super-mag0G610050 THRU 0G856999154View

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Appears in diagrams of these models

  • 200 HP XS 6 CYL (2.5L)
  • 250 HP XS 6 CYL (3.0L)
  • 225 EFI PRO MAX/SUPER MAG
  • 200 EFI PRO MAX/SUPER MAG
  • 150/200 HP PRO MAX/SUPER MAG
  • 300X (3.0L) PRO MAX