Mercury outboard spare part 8M0118363 (GEAR Reverse, 21T). Supplied by Dimo Marine for wholesale and export — genuine and quality aftermarket options available.

Fits 200 HP Verado 6 CYL, 225 HP Verado 6 CYL, 250 HP Verado 6 CYL, 275 HP Verado 6 CYL, 300 HP Verado 6 CYL, 200 HP 6 CYL (3.0L), 200 HP Pro XS 6 CYL (3.0L), 225 HP Pro XS 6 CYL (3.0L), 250 HP Pro XS 6 CYL (3.0L), 200 HP Pro Verado 6 CYL, 300 HP Pro Verado 6 CYL, 200 HP DTS 6 CYL (3.0L), 225 HP 6 CYL (3.0L), 225 HP DTS 6 CYL (3.0L), 250 HP 6 CYL (3.0L), 300 HP XS 6 CYL (3.2L), 200 (3.0L), 225 (3.0L). Select a model tag above to open the exploded diagram and confirm the position.

Part Specifications and Installation Reference

Mercury outboard part 8M0118363 (GEAR Reverse, 21T), documented in 27 exploded diagram location(s), across the 2-STROKE-DFI-OPTIMAX, 4-STROKE-EFI series.

SeriesModelSerial rangeREFQtyDiagram
Mercury 2-STROKE-DFI-OPTIMAX200-hp-6-cyl-3-0l1B504989 THRU 1B912785211View
Mercury 2-STROKE-DFI-OPTIMAX200-hp-6-cyl-3-0l1B912786 THRU 2B535571211View
Mercury 2-STROKE-DFI-OPTIMAX200-hp-dts-6-cyl-3-0l1B504989 THRU 1B964735211View
Mercury 2-STROKE-DFI-OPTIMAX200-hp-pro-xs-6-cyl-3-0l1B504989 THRU 1B912785211View
Mercury 2-STROKE-DFI-OPTIMAX200-hp-pro-xs-6-cyl-3-0l1B912786 THRU 2B535571211View
Mercury 2-STROKE-DFI-OPTIMAX225-hp-6-cyl-3-0l1B504989 THRU 2B535086211View
Mercury 2-STROKE-DFI-OPTIMAX225-hp-dts-6-cyl-3-0l1B504989 THRU 1B964735211View
Mercury 2-STROKE-DFI-OPTIMAX250-hp-6-cyl-3-0l1B528615 THRU 2B535086211View
Mercury 2-STROKE-DFI-OPTIMAX300-hp-xs-6-cyl-3-2l1E052058 THRU 1E053987211View
Mercury 4-STROKE-EFI200-hp-pro-verado-6-cyl2B034840 THRU 2B144122211View
Mercury 4-STROKE-EFI200-hp-pro-verado-6-cyl2B144123 THRU 2B577715211View
Mercury 4-STROKE-EFI200-hp-verado-6-cyl0P520553 THRU 2B144122211View
Mercury 4-STROKE-EFI225-hp-verado-6-cyl0P520553 THRU 2B144122211View
Mercury 4-STROKE-EFI225-hp-verado-6-cyl1B517434 THRU 2B144122211View
Mercury 4-STROKE-EFI225-hp-verado-6-cyl2B144123 THRU 2B578935211View
Mercury 4-STROKE-EFI250-hp-pro-verado-6-cyl1B830170 THRU 2B144122211View
Mercury 4-STROKE-EFI250-hp-pro-verado-6-cyl2B144123 THRU 2B577715211View
Mercury 4-STROKE-EFI250-hp-verado-6-cyl1B517434 THRU 2B144122211View
Mercury 4-STROKE-EFI250-hp-verado-6-cyl2B144123 THRU 2B578935211View
Mercury 4-STROKE-EFI275-hp-verado-6-cyl0P520553 THRU 2B144122211View
Mercury 4-STROKE-EFI275-hp-verado-6-cyl1B517434 THRU 2B144122211View
Mercury 4-STROKE-EFI275-hp-verado-6-cyl2B144123 THRU 2B578935211View
Mercury 4-STROKE-EFI300-hp-pro-verado-6-cyl1B830170 THRU 2B144122211View
Mercury 4-STROKE-EFI300-hp-pro-verado-6-cyl2B144123 THRU 2B577715211View
Mercury 4-STROKE-EFI300-hp-verado-6-cyl0P520553 THRU 2B144122211View
Mercury 4-STROKE-EFI300-hp-verado-6-cyl1B517434 THRU 2B144122211View
Mercury 4-STROKE-EFI300-hp-verado-6-cyl2B144123 THRU 2B578935211View

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Appears in diagrams of these models

  • 200 HP Verado 6 CYL
  • 225 HP Verado 6 CYL
  • 250 HP Verado 6 CYL
  • 275 HP Verado 6 CYL
  • 300 HP Verado 6 CYL
  • 200 HP 6 CYL (3.0L)
  • 200 HP Pro XS 6 CYL (3.0L)
  • 225 HP Pro XS 6 CYL (3.0L)
  • 250 HP Pro XS 6 CYL (3.0L)
  • 200 HP Pro Verado 6 CYL
  • 300 HP Pro Verado 6 CYL
  • 200 HP DTS 6 CYL (3.0L)
  • 225 HP 6 CYL (3.0L)
  • 225 HP DTS 6 CYL (3.0L)
  • 250 HP 6 CYL (3.0L)
  • 300 HP XS 6 CYL (3.2L)
  • 200 (3.0L)
  • 225 (3.0L)