Mercury outboard spare part 11930M (SEAT Valve). Supplied by Dimo Marine for wholesale and export — genuine and quality aftermarket options available.

Fits 15K HP, 20C (THRU PROP. EXHAUST), 75 3 CYL, 8W HP (Marathon), 25 HP 3 CYL LIGHTNING (International), 25C (THRU PROP. EXHAUST). Select a model tag above to open the exploded diagram and confirm the position.

Part Specifications and Installation Reference

Mercury outboard part 11930M (SEAT Valve), documented in 16 exploded diagram location(s), across the 2-STROKE-CARB series.

SeriesModelSerial rangeREFQtyDiagram
Mercury 2-STROKE-CARB15k-hp65G 200197 THRU 00301769381View
Mercury 2-STROKE-CARB15k-hp65G 602581 THRU 00301769381View
Mercury 2-STROKE-CARB15k-hp6M7K 100382 THRU 6B81000215381View
Mercury 2-STROKE-CARB15k-hpARCHIVE CAT 81708090381View
Mercury 2-STROKE-CARB20c-thru-prop-exhaust6A9 010112 UP381View
Mercury 2-STROKE-CARB20c-thru-prop-exhaust6A9 250820 UP381View
Mercury 2-STROKE-CARB20c-thru-prop-exhaust6A9 306543 UP381View
Mercury 2-STROKE-CARB20c-thru-prop-exhaust6A9 550694 UP381View
Mercury 2-STROKE-CARB20c-thru-prop-exhaustARCHIVE CAT 96333381View
Mercury 2-STROKE-CARB25-hp-3-cyl-lightning-international0E268781 THRU 0E287999381View
Mercury 2-STROKE-CARB25-hp-3-cyl-lightning-international0E288000 THRU 0E301319381View
Mercury 2-STROKE-CARB25c-thru-prop-exhaust695 000101 THRU 023895381View
Mercury 2-STROKE-CARB75-3-cyl0A996142 THRU 0B240450381View
Mercury 2-STROKE-CARB8w-hp-marathon677 057507 UP23, 281View
Mercury 2-STROKE-CARB8w-hp-marathon677 383147 UP23, 281View
Mercury 2-STROKE-CARB8w-hp-marathon677 702821 UP23, 281View

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Appears in diagrams of these models

  • 15K HP
  • 20C (THRU PROP. EXHAUST)
  • 75 3 CYL
  • 8W HP (Marathon)
  • 25 HP 3 CYL LIGHTNING (International)
  • 25C (THRU PROP. EXHAUST)