Dimo Marine

90470A3THUMB SCREW ASSEMBLY

Fits models / variants:

Mercury outboard spare part 90470A3 (THUMB SCREW ASSEMBLY). Supplied by Dimo Marine for wholesale and export — genuine and quality aftermarket options available.

Fits 45, 450 4 CYL, 50, 500 4 CYL, 50 3 CYL. Select a model tag above to open the exploded diagram and confirm the position.

Part Specifications and Installation Reference

Mercury outboard part 90470A3 (THUMB SCREW ASSEMBLY), documented in 20 exploded diagram location(s), across the 2-STROKE-CARB series.

SeriesModelSerial rangeREFQtyDiagram
Mercury 2-STROKE-CARB35-2-cyl0B110789 THRU 0B45838322View
Mercury 2-STROKE-CARB35-2-cyl209608 THRU 0B11078822View
Mercury 2-STROKE-CARB35-2-cyl6445653 THRU 0B11078822View
Mercury 2-STROKE-CARB35-2-cyl9384476 THRU 0B11078822View
Mercury 2-STROKE-CARB35-2-cyl9466647 THRU 0C21473522View
Mercury 2-STROKE-CARB40-400-402-2-cyl5556230 THRU 0B23923122View
Mercury 2-STROKE-CARB40-400-402-2-cyl7144763 THRU 0B23923122View
Mercury 2-STROKE-CARB40-400-402-2-cyl8064750 THRU 0B23923122View
Mercury 2-STROKE-CARB40-400-402-2-cyl9251456 THRU 0B23923122View
Mercury 2-STROKE-CARB45-450-4-cyl0A719281 THRU 0A74594422View
Mercury 2-STROKE-CARB45-450-4-cyl0B110789 THRU 0B37027122View
Mercury 2-STROKE-CARB45-450-4-cyl5531630 THRU 0B11078822View
Mercury 2-STROKE-CARB45-450-4-cyl7143688 THRU 0A71928022View
Mercury 2-STROKE-CARB45-450-4-cyl8063985 THRU 0B11078822View
Mercury 2-STROKE-CARB45-450-4-cyl9248006 THRU 946669122View
Mercury 2-STROKE-CARB45-450-4-cyl9466692 THRU 0952253522View
Mercury 2-STROKE-CARB50-500-4-cyl5531630 THRU 0B11078822View
Mercury 2-STROKE-CARB50-500-4-cyl7143688 THRU 0A71928022View
Mercury 2-STROKE-CARB50-500-4-cyl8063985 THRU 0B11078822View
Mercury 2-STROKE-CARB50-500-4-cyl9248006 THRU 946669122View

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Appears in diagrams of these models

  • 45, 450 4 CYL
  • 50, 500 4 CYL
  • 50 3 CYL