Mercury outboard spare part 84818M (SEAL UPPER). Supplied by Dimo Marine for wholesale and export — genuine and quality aftermarket options available.

Fits 30A, 20C (THRU PROP. EXHAUST), 25C (THRU PROP. EXHAUST), 40C (TWIN CARB). Select a model tag above to open the exploded diagram and confirm the position.

Part Specifications and Installation Reference

Mercury outboard part 84818M (SEAL UPPER), documented in 23 exploded diagram location(s), across the 2-STROKE-CARB series.

SeriesModelSerial rangeREFQtyDiagram
Mercury 2-STROKE-CARB20c-thru-prop-exhaust6A9 010112 UP681View
Mercury 2-STROKE-CARB20c-thru-prop-exhaust6A9 250820 UP681View
Mercury 2-STROKE-CARB20c-thru-prop-exhaust6A9 306543 UP681View
Mercury 2-STROKE-CARB20c-thru-prop-exhaust6A9 550694 UP681View
Mercury 2-STROKE-CARB20c-thru-prop-exhaustARCHIVE CAT 96333681View
Mercury 2-STROKE-CARB25c-thru-prop-exhaust695 000101 THRU 023895671View
Mercury 2-STROKE-CARB25c-thru-prop-exhaust695 250101 THRU 253861671View
Mercury 2-STROKE-CARB25c-thru-prop-exhaust695 300101 THRU 318173671View
Mercury 2-STROKE-CARB25c-thru-prop-exhaust695 550101 THRU 555959671View
Mercury 2-STROKE-CARB25c-thru-prop-exhaustARCHIVE CAT 12536671View
Mercury 2-STROKE-CARB30a689 000366 THRU 022058681View
Mercury 2-STROKE-CARB30a689 022059 THRU 689 230100 M681View
Mercury 2-STROKE-CARB30a689 100251 THRU 105324681View
Mercury 2-STROKE-CARB30a689 105325 THRU 689 530100 ML681View
Mercury 2-STROKE-CARB30a689 301911 THRU 321376681View
Mercury 2-STROKE-CARB30a689 321377 THRU 689 250100 E681View
Mercury 2-STROKE-CARB30a689 401216 THRU 411946681View
Mercury 2-STROKE-CARB30a689 411947 THRU 689 550100 EL681View
Mercury 2-STROKE-CARB30aARCHIVE CAT 81115590681View
Mercury 2-STROKE-CARB40c-twin-carb6E9 000106 THRU 6E9 007665 M681View
Mercury 2-STROKE-CARB40c-twin-carb6E9 100101 THRU 6E9 105013 E681View
Mercury 2-STROKE-CARB40c-twin-carb6E9 300126 THRU 6E9 309343 ML681View
Mercury 2-STROKE-CARB40c-twin-carb6E9 400231 THRU 6E9 423162 EL681View

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Appears in diagrams of these models

  • 30A
  • 20C (THRU PROP. EXHAUST)
  • 25C (THRU PROP. EXHAUST)
  • 40C (TWIN CARB)