Mercury outboard spare part 92578M (GASKET COVER). Supplied by Dimo Marine for wholesale and export — genuine and quality aftermarket options available.

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

Part Specifications and Installation Reference

Mercury outboard part 92578M (GASKET COVER), documented in 13 exploded diagram location(s), across the 2-STROKE-CARB series.

SeriesModelSerial rangeREFQtyDiagram
Mercury 2-STROKE-CARB20c-thru-prop-exhaust6A9 010112 UP31View
Mercury 2-STROKE-CARB20c-thru-prop-exhaust6A9 250820 UP31View
Mercury 2-STROKE-CARB20c-thru-prop-exhaust6A9 306543 UP31View
Mercury 2-STROKE-CARB20c-thru-prop-exhaust6A9 550694 UP31View
Mercury 2-STROKE-CARB25c-thru-prop-exhaust695 000101 THRU 02389531View
Mercury 2-STROKE-CARB25c-thru-prop-exhaust695 250101 THRU 25386131View
Mercury 2-STROKE-CARB25c-thru-prop-exhaust695 300101 THRU 31817331View
Mercury 2-STROKE-CARB25c-thru-prop-exhaust695 550101 THRU 55595931View
Mercury 2-STROKE-CARB25c-thru-prop-exhaustARCHIVE CAT 1253631View
Mercury 2-STROKE-CARB40-twin-carb-w-oil-injection6E9 015001 THRU 0978586631View
Mercury 2-STROKE-CARB40-twin-carb-w-oil-injection6E9 150001 THRU 0978586631View
Mercury 2-STROKE-CARB40-twin-carb-w-oil-injection6E9 350001 THRU 0978586631View
Mercury 2-STROKE-CARB40-twin-carb-w-oil-injection6E9 450001 THRU 0978586631View

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Appears in diagrams of these models

  • 30A
  • 25C (THRU PROP. EXHAUST)
  • 20C (THRU PROP. EXHAUST)
  • 40 (TWIN CARB) (W/OIL INJECTION)