F449278O-RING

Fits models / variants:

90 H.P. (1991-1992)90 H.P. (1991-1994)FORCE TRIM & TILT 85-150 HP (1984-1999)

Mercury outboard spare part F449278 (O-RING). Supplied by Dimo Marine for wholesale and export — genuine and quality aftermarket options available.

Fits 90 H.P. (1991-1992), 90 H.P. (1991-1994), FORCE TRIM & TILT 85-150 HP (1984-1999). Select a model tag above to open the exploded diagram and confirm the position.

Part Specifications and Installation Reference

Mercury outboard part F449278 (O-RING), documented in 22 exploded diagram location(s), across the FORCE series.

Series	Model	Serial range	REF	Qty	Diagram
Mercury FORCE	90-h-p-1990	903F90A UP	15	1	View
Mercury FORCE	90-h-p-1990	903F90B UP	15	1	View
Mercury FORCE	90-h-p-1990	903F90C UP	15	1	View
Mercury FORCE	90-h-p-1990	903X90A UP	15	1	View
Mercury FORCE	90-h-p-1990	903X90B UP	15	1	View
Mercury FORCE	90-h-p-1990	903X90C UP	15	1	View
Mercury FORCE	90-h-p-1990	906A90A UP	15	1	View
Mercury FORCE	90-h-p-1990	906A90B UP	15	1	View
Mercury FORCE	90-h-p-1990	906A90C UP	15	1	View
Mercury FORCE	90-h-p-1990	906F90A UP	15	1	View
Mercury FORCE	90-h-p-1990	906F90B UP	15	1	View
Mercury FORCE	90-h-p-1990	906F90C UP	15	1	View
Mercury FORCE	90-h-p-1990	906X90A UP	15	1	View
Mercury FORCE	90-h-p-1990	906X90B UP	15	1	View
Mercury FORCE	90-h-p-1990	906X90C UP	15	1	View
Mercury FORCE	90-h-p-1990	908F90A UP	15	1	View
Mercury FORCE	90-h-p-1990	908F90B UP	15	1	View
Mercury FORCE	90-h-p-1990	908F90C UP	15	1	View
Mercury FORCE	90-h-p-1990	908X90A UP	15	1	View
Mercury FORCE	90-h-p-1990	908X90B UP	15	1	View
Mercury FORCE	90-h-p-1990	908X90C UP	15	1	View
Mercury FORCE	force-trim-tilt-85-150-hp-1984-1999	ALL UP	22, 31, 4	1	View

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Appears in diagrams of these models

90 H.P. (1991-1992)
90 H.P. (1991-1994)
FORCE TRIM & TILT 85-150 HP (1984-1999)