7778A6SWITCHBOX ASSEMBLY

Fits models / variants:

V-150 V-135 V-175 XR-4 / MAGNUM II V-220 Laser

Mercury outboard spare part 7778A6 (SWITCHBOX ASSEMBLY). Supplied by Dimo Marine for wholesale and export — genuine and quality aftermarket options available.

Fits V-150, V-135, V-175, XR-4 / MAGNUM II, V-220 Laser. Select a model tag above to open the exploded diagram and confirm the position.

Part Specifications and Installation Reference

Mercury outboard part 7778A6 (SWITCHBOX ASSEMBLY), documented in 4 exploded diagram location(s), across the 2-STROKE-CARB, 2-STROKE-EFI series.

Series	Model	Serial range	REF	Qty	Diagram
Mercury 2-STROKE-CARB	v-135	0A904646 THRU 0C100860	2	2	View
Mercury 2-STROKE-CARB	v-150	0A904646 THRU 0C100860	2	2	View
Mercury 2-STROKE-CARB	xr-4-magnum-ii	0B242885 THRU 0C100860	2	2	View
Mercury 2-STROKE-EFI	v-220-laser	1B516994 THRU 2B091896	2	2	View

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Appears in diagrams of these models

V-150
V-135
V-175
XR-4 / MAGNUM II
V-220 Laser