Mercury outboard spare part 814554M (THERMOSTAT). Supplied by Dimo Marine for wholesale and export — genuine and quality aftermarket options available.

Fits 15K HP, 40B (THRU PROP. EXHAUST), 40 (TWIN CARB) (W/OIL INJECTION), K 40 HP, W40 (W/MARATHON), 25 K, 30 2 CYL (International), 40 LIGHTNING XR (International). Select a model tag above to open the exploded diagram and confirm the position.

Part Specifications and Installation Reference

Mercury outboard part 814554M (THERMOSTAT), documented in 21 exploded diagram location(s), across the 2-STROKE-CARB series.

SeriesModelSerial rangeREFQtyDiagram
Mercury 2-STROKE-CARB15k-hp65G 200197 THRU 00301769131View
Mercury 2-STROKE-CARB15k-hp65G 602581 THRU 00301769131View
Mercury 2-STROKE-CARB15k-hp6M7K 100382 THRU 6B81000215131View
Mercury 2-STROKE-CARB15k-hpARCHIVE CAT 81708090131View
Mercury 2-STROKE-CARB25-k62CK 200454 THRU 00313272141View
Mercury 2-STROKE-CARB30-2-cyl-international0N001875 THRU 0N055504141View
Mercury 2-STROKE-CARB40-lightning-xr-international0N000513 THRU 0N056164141View
Mercury 2-STROKE-CARB40-twin-carb-w-oil-injection6E9 015001 THRU 09785866291View
Mercury 2-STROKE-CARB40-twin-carb-w-oil-injection6E9 150001 THRU 09785866291View
Mercury 2-STROKE-CARB40-twin-carb-w-oil-injection6E9 350001 THRU 09785866291View
Mercury 2-STROKE-CARB40-twin-carb-w-oil-injection6E9 450001 THRU 09785866291View
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-CARBk-40-hp6F5 000711 THRU 6F5325148111View
Mercury 2-STROKE-CARBk-40-hp6F5 301827 THRU 6F5325148111View
Mercury 2-STROKE-CARBk-40-hp6F5K 302372 THRU 6F5325148111View
Mercury 2-STROKE-CARBw40-w-marathon6F6 005206 THRU 00365385181View
Mercury 2-STROKE-CARBw40-w-marathon6F6 308308 THRU 00365385181View

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Appears in diagrams of these models

  • 15K HP
  • 40B (THRU PROP. EXHAUST)
  • 40 (TWIN CARB) (W/OIL INJECTION)
  • K 40 HP
  • W40 (W/MARATHON)
  • 25 K
  • 30 2 CYL (International)
  • 40 LIGHTNING XR (International)