Part of: Sierra Switch Box for Mercury Outboard Engines Ignition Repair Parts
Other options in this family: Sierra 18-5775-1 Sierra 18-5777-1 Sierra 18-5791-1 Sierra 18-5790-1 Sierra 18-5776-1
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$150.32
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The Sierra 118-5777-1 Switch Box (also referenced as 18-5777-1) is a high-quality marine-grade ignition switch box designed as a direct replacement for Mercury and Mariner outboard motors. Sierra's switch boxes are built to OEM specifications, ensuring reliable spark delivery and consistent engine performance on the water.
Key Features:
Sierra International is a trusted name in marine replacement parts, offering boaters and technicians dependable aftermarket solutions. This switch box is an ideal choice for restoring proper ignition function to compatible outboard engines.
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Doug H
Had what I was looking for at a reasonable price fast shipping time good product!
Frank M
Great web site
Greg M
Good company to do business with
Kevin F
Easy to order.
Gale W
Seemless
Tom L
Hard to find part for live well...very friendly website. Smooth transaction. Would shop here again.
Patrick B
order was easy to place came timely and no issues
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