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Your cart is empty.The Sierra 18-4273 Welch Plug is built with precision. Designed to be interchangeable with the following: GLM 22031, Mallory 9-78141, Mercruiser 19-42682. Each Sierra product meets or exceeds the original equipment part it replaces. Features an OD of 1.250 inches.
Kindle Customer M J.
Reviewed in the United States on July 3, 2019
Fit perfectly in my drive unit on my boat.
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