Mercury outboard spare part 81870M (WASHER WAVE). Supplied by Dimo Marine for wholesale and export — genuine and quality aftermarket options available.

Fits 40 (TWIN CARB) (W/OIL INJECTION), 40 JET, K 40 HP, 40 LIGHTNING XR (International), W40 (W/MARATHON), 40 LIGHTNING (International). Select a model tag above to open the exploded diagram and confirm the position.

Part Specifications and Installation Reference

Mercury outboard part 81870M (WASHER WAVE), documented in 26 exploded diagram location(s), across the 2-STROKE-CARB series.

SeriesModelSerial rangeREFQtyDiagram
Mercury 2-STROKE-CARB40-jet0P094500 THRU 0P325499301View
Mercury 2-STROKE-CARB40-jet0P325500 THRU 0P392690301View
Mercury 2-STROKE-CARB40-jet0T178500 THRU 0T979999301View
Mercury 2-STROKE-CARB40-jet0T980000 THRU 2B535834301View
Mercury 2-STROKE-CARB40-lightning-international0N000001 THRU 0N056164301View
Mercury 2-STROKE-CARB40-twin-carb-w-oil-injection6E9 015001 THRU 09785866301View
Mercury 2-STROKE-CARB40-twin-carb-w-oil-injection6E9 150001 THRU 09785866301View
Mercury 2-STROKE-CARB40-twin-carb-w-oil-injection6E9 350001 THRU 09785866301View
Mercury 2-STROKE-CARB40-twin-carb-w-oil-injection6E9 450001 THRU 09785866301View
Mercury 2-STROKE-CARB40b-thru-prop-exhaustARCHIVE CAT 94535291View
Mercury 2-STROKE-CARB40b-thru-prop-exhaustE 676 B100461 THRU B102785291View
Mercury 2-STROKE-CARB40b-thru-prop-exhaustEL 676 B400420 THRU B405250291View
Mercury 2-STROKE-CARB40b-thru-prop-exhaustM 676 B000106 THRU B002780291View
Mercury 2-STROKE-CARB40b-thru-prop-exhaustML 676 B300101 THRU B302425291View
Mercury 2-STROKE-CARB40c-twin-carb6E9 000106 THRU 6E9 007665 M281View
Mercury 2-STROKE-CARB40c-twin-carb-w-auto-blend6E9 007666 THRU 6E9 015000281View
Mercury 2-STROKE-CARB40c-twin-carb-w-auto-blend6E9 105014 THRU 6E9 150000281View
Mercury 2-STROKE-CARB40c-twin-carb-w-auto-blend6E9 309344 THRU 350000281View
Mercury 2-STROKE-CARB40c-twin-carb-w-auto-blend6E9 423163 THRU 450000281View
Mercury 2-STROKE-CARB40c-twin-carb-w-auto-blend6E9 500101 THRU 00503940281View
Mercury 2-STROKE-CARB50mh0N051023 THRU 0N056164281View
Mercury 2-STROKE-CARBk-40-hp6F5 000711 THRU 6F5325148281View
Mercury 2-STROKE-CARBk-40-hp6F5 301827 THRU 6F5325148281View
Mercury 2-STROKE-CARBk-40-hp6F5K 302372 THRU 6F5325148281View
Mercury 2-STROKE-CARBw40-w-marathon6F6 005206 THRU 0036538528, 291View
Mercury 2-STROKE-CARBw40-w-marathon6F6 308308 THRU 0036538528, 291View

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Appears in diagrams of these models

  • 40 (TWIN CARB) (W/OIL INJECTION)
  • 40 JET
  • K 40 HP
  • 40 LIGHTNING XR (International)
  • W40 (W/MARATHON)
  • 40 LIGHTNING (International)