Mercury outboard spare part 81801M (WASHER). Supplied by Dimo Marine for wholesale and export — genuine and quality aftermarket options available.

Fits 30A, 25C (THRU PROP. EXHAUST), 40C (TWIN CARB) (W/AUTO-BLEND), 40 (TWIN CARB) (W/OIL INJECTION), 40B (THRU PROP. EXHAUST), 40C (TWIN CARB), 30 2 CYL (International), 40 LIGHTNING XR (International), W40 (W/MARATHON), 40 LIGHTNING (International), 50MH. Select a model tag above to open the exploded diagram and confirm the position.

Part Specifications and Installation Reference

Mercury outboard part 81801M (WASHER), documented in 28 exploded diagram location(s), across the 2-STROKE-CARB series.

SeriesModelSerial rangeREFQtyDiagram
Mercury 2-STROKE-CARB25c-thru-prop-exhaust695 000101 THRU 023895121View
Mercury 2-STROKE-CARB25c-thru-prop-exhaust695 250101 THRU 253861121View
Mercury 2-STROKE-CARB25c-thru-prop-exhaust695 300101 THRU 318173121View
Mercury 2-STROKE-CARB25c-thru-prop-exhaust695 550101 THRU 555959121View
Mercury 2-STROKE-CARB25c-thru-prop-exhaustARCHIVE CAT 12536121View
Mercury 2-STROKE-CARB30-2-cyl-international0N001875 THRU 0N055504121View
Mercury 2-STROKE-CARB30-2-cyl-international0N055505 UP121View
Mercury 2-STROKE-CARB30-2-cyl-internationalARCHIVE CAT 85383397121View
Mercury 2-STROKE-CARB40-lightning-international0N000001 THRU 0N056164111View
Mercury 2-STROKE-CARB40-lightning-xr-international0N000513 THRU 0N056164121View
Mercury 2-STROKE-CARB40-lightning-xr-international0N056165 UP111View
Mercury 2-STROKE-CARB40-twin-carb-w-oil-injection6E9 015001 THRU 09785866121View
Mercury 2-STROKE-CARB40-twin-carb-w-oil-injection6E9 150001 THRU 09785866111View
Mercury 2-STROKE-CARB40-twin-carb-w-oil-injection6E9 350001 THRU 09785866111View
Mercury 2-STROKE-CARB40-twin-carb-w-oil-injection6E9 450001 THRU 09785866111View
Mercury 2-STROKE-CARB40b-thru-prop-exhaustE 676 B100461 THRU B102785131View
Mercury 2-STROKE-CARB40b-thru-prop-exhaustEL 676 B400420 THRU B405250131View
Mercury 2-STROKE-CARB40b-thru-prop-exhaustM 676 B000106 THRU B002780131View
Mercury 2-STROKE-CARB40b-thru-prop-exhaustML 676 B300101 THRU B302425131View
Mercury 2-STROKE-CARB40c-twin-carb6E9 000106 THRU 6E9 007665 M131View
Mercury 2-STROKE-CARB40c-twin-carb-w-auto-blend6E9 007666 THRU 6E9 015000131View
Mercury 2-STROKE-CARB40c-twin-carb-w-auto-blend6E9 105014 THRU 6E9 150000131View
Mercury 2-STROKE-CARB40c-twin-carb-w-auto-blend6E9 309344 THRU 350000131View
Mercury 2-STROKE-CARB40c-twin-carb-w-auto-blend6E9 423163 THRU 450000131View
Mercury 2-STROKE-CARB40c-twin-carb-w-auto-blend6E9 500101 THRU 00503940131View
Mercury 2-STROKE-CARB50mh0N051023 THRU 0N056164131View
Mercury 2-STROKE-CARBw40-w-marathon6F6 005206 THRU 00365385131View
Mercury 2-STROKE-CARBw40-w-marathon6F6 308308 THRU 00365385131View

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Appears in diagrams of these models

  • 30A
  • 25C (THRU PROP. EXHAUST)
  • 40C (TWIN CARB) (W/AUTO-BLEND)
  • 40 (TWIN CARB) (W/OIL INJECTION)
  • 40B (THRU PROP. EXHAUST)
  • 40C (TWIN CARB)
  • 30 2 CYL (International)
  • 40 LIGHTNING XR (International)
  • W40 (W/MARATHON)
  • 40 LIGHTNING (International)
  • 50MH