Mercury outboard spare part 74840 (PIN Dowel). Supplied by Dimo Marine for wholesale and export — genuine and quality aftermarket options available.

Fits 135 HP V6 CYL (2.5L), 150 HP V6 CYL (2.5L), 200 HP XS 6 CYL (2.5L). Select a model tag above to open the exploded diagram and confirm the position.

Part Specifications and Installation Reference

Mercury outboard part 74840 (PIN Dowel), documented in 14 exploded diagram location(s), across the 2-STROKE-DFI-OPTIMAX series.

SeriesModelSerial rangeREFQtyDiagram
Mercury 2-STROKE-DFI-OPTIMAX135-hp-v6-cyl-2-5l0G760300 THRU 0G96049944View
Mercury 2-STROKE-DFI-OPTIMAX135-hp-v6-cyl-2-5l0G960500 THRU 0T17849944View
Mercury 2-STROKE-DFI-OPTIMAX135-hp-v6-cyl-2-5l0T178500 THRU 0T80099944View
Mercury 2-STROKE-DFI-OPTIMAX135-hp-v6-cyl-2-5l0T801000 THRU 1B22699944View
Mercury 2-STROKE-DFI-OPTIMAX135-hp-v6-cyl-2-5l1B227000 THRU 1B41770144View
Mercury 2-STROKE-DFI-OPTIMAX135-hp-v6-cyl-2-5l1B417702 THRU 1B73749544View
Mercury 2-STROKE-DFI-OPTIMAX150-hp-v6-cyl-2-5l0G760300 THRU 0G96049944View
Mercury 2-STROKE-DFI-OPTIMAX150-hp-v6-cyl-2-5l0G960500 THRU 0T17849944View
Mercury 2-STROKE-DFI-OPTIMAX150-hp-v6-cyl-2-5l0T178500 THRU 0T80099944View
Mercury 2-STROKE-DFI-OPTIMAX150-hp-v6-cyl-2-5l0T801000 THRU 1B22699944View
Mercury 2-STROKE-DFI-OPTIMAX150-hp-v6-cyl-2-5l1B227000 THRU 1B41770144View
Mercury 2-STROKE-DFI-OPTIMAX150-hp-v6-cyl-2-5l1B417702 THRU 1B58002944View
Mercury 2-STROKE-DFI-OPTIMAX200-hp-xs-6-cyl-2-5l0T818181 THRU 1E00079644View
Mercury 2-STROKE-DFI-OPTIMAX200-hp-xs-6-cyl-2-5l1E000797 THRU 1E00211044View

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Appears in diagrams of these models

  • 135 HP V6 CYL (2.5L)
  • 150 HP V6 CYL (2.5L)
  • 200 HP XS 6 CYL (2.5L)