Mercury outboard spare part F1778 (WASHER). Supplied by Dimo Marine for wholesale and export — genuine and quality aftermarket options available.

Fits 35 H.P. (1987), 35 H.P. (1988), FORCE TRIM & TILT 35-75 HP (1984-1999), 35 H.P. (1986). Select a model tag above to open the exploded diagram and confirm the position.

Part Specifications and Installation Reference

Mercury outboard part F1778 (WASHER), documented in 15 exploded diagram location(s), across the FORCE series.

SeriesModelSerial rangeREFQtyDiagram
Mercury FORCE35-h-p-1986357F6A UP102View
Mercury FORCE35-h-p-1986357FC6A UP102View
Mercury FORCE35-h-p-19870C357F7A UP102View
Mercury FORCE35-h-p-19870C357F7B UP102View
Mercury FORCE35-h-p-1987357F7A UP102View
Mercury FORCE35-h-p-1987357F7B UP102View
Mercury FORCE35-h-p-1987357Y7A UP102View
Mercury FORCE35-h-p-1987357Y7B UP102View
Mercury FORCE35-h-p-19880C357F8B UP102View
Mercury FORCE35-h-p-1988357D8B UP102View
Mercury FORCE35-h-p-1988357F8B UP102View
Mercury FORCE35-h-p-1988357R8B UP102View
Mercury FORCE35-h-p-1988357Y8A UP102View
Mercury FORCE35-h-p-1988357Y8B UP102View
Mercury FORCEforce-trim-tilt-35-75-hp-1984-1999ALL UP19, 22, 39, 42, 4View

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Appears in diagrams of these models

  • 35 H.P. (1987)
  • 35 H.P. (1988)
  • FORCE TRIM & TILT 35-75 HP (1984-1999)
  • 35 H.P. (1986)