Mercury outboard spare part 878217 (SCREW (.375-16 x 2.750)). Supplied by Dimo Marine for wholesale and export — genuine and quality aftermarket options available.

Fits 175 HP V6 CYL (2.5L), V-150 HP (2.5L), V-200 (2.5L), V-150, 110 Jet (2.5L), 175 HP Pro XS 6 CYL (2.5L), 2.5XS (2.5L), 200 HP XS 6 CYL (2.5L) ROS, 200 HP XS SST 6 CYL (2.5L), 225X EFI PROMAX, V-175 EFI (2.5L). Select a model tag above to open the exploded diagram and confirm the position.

Part Specifications and Installation Reference

Mercury outboard part 878217 (SCREW (.375-16 x 2.750)), documented in 16 exploded diagram location(s), across the 2-STROKE-CARB, 2-STROKE-DFI-OPTIMAX, 2-STROKE-EFI series.

SeriesModelSerial rangeREFQtyDiagram
Mercury 2-STROKE-CARB110-jet-2-5l1B690542 THRU 1B974227224View
Mercury 2-STROKE-DFI-OPTIMAX175-hp-pro-xs-6-cyl-2-5l1B516339 THRU 2B535624224View
Mercury 2-STROKE-DFI-OPTIMAX175-hp-v6-cyl-2-5l0T801000 THRU 1B226999224View
Mercury 2-STROKE-DFI-OPTIMAX175-hp-v6-cyl-2-5l1B227000 THRU 1B417701224View
Mercury 2-STROKE-DFI-OPTIMAX175-hp-v6-cyl-2-5l1B417702 THRU 1B508457224View
Mercury 2-STROKE-DFI-OPTIMAX2-5xs-2-5l0T997974 THRU 1E000796224View
Mercury 2-STROKE-DFI-OPTIMAX200-hp-xs-6-cyl-2-5l-ros1E050852 THRU 1E053876224View
Mercury 2-STROKE-DFI-OPTIMAX200-hp-xs-sst-6-cyl-2-5l1E050629 THRU 1E053875224View
Mercury 2-STROKE-EFI225x-efi-promax0T430254 THRU 0T819605424View
Mercury 2-STROKE-EFIv-150-hp-2-5l0T409000 THRU 0T800999424View
Mercury 2-STROKE-EFIv-150-hp-2-5l0T801000 THRU 1B226999424View
Mercury 2-STROKE-EFIv-150-hp-2-5l1B227000 THRU 2B121048424View
Mercury 2-STROKE-EFIv-175-efi-2-5l0T409000 THRU 0T800999424View
Mercury 2-STROKE-EFIv-200-2-5l0T409000 THRU 0T800999424View
Mercury 2-STROKE-EFIv-200-2-5l0T801000 THRU 1B226999424View
Mercury 2-STROKE-EFIv-200-2-5l1B227000 THRU 2B121048424View

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Appears in diagrams of these models

  • 175 HP V6 CYL (2.5L)
  • V-150 HP (2.5L)
  • V-200 (2.5L)
  • V-150
  • 110 Jet (2.5L)
  • 175 HP Pro XS 6 CYL (2.5L)
  • 2.5XS (2.5L)
  • 200 HP XS 6 CYL (2.5L) ROS
  • 200 HP XS SST 6 CYL (2.5L)
  • 225X EFI PROMAX
  • V-175 EFI (2.5L)