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Add to CartThis Sierra 18-4226 drain plug is widely used for MerCruiser V4, V6 and V8 marine engines.
Interchangeable with:
What is the Sierra 18-4226 MerCruiser Blue Plastic Drain Plug used for?
The Sierra 18-4226 MerCruiser Blue Plastic Drain Plug is designed for use with MerCruiser V4, V6, and V8 marine engines. It fits MerCruiser cylinder blocks and exhaust manifolds and comes complete with an O-ring for the drain plug assembly.
What MerCruiser engines does the Sierra 18-4226 drain plug fit?
The Sierra 18-4226 drain plug is widely used for MerCruiser V4, V6, and V8 marine engines. The supplied product information specifically identifies MerCruiser cylinder blocks and exhaust manifolds as the applicable installation locations.
Does the Sierra 18-4226 drain plug come with an O-ring?
Yes. The Sierra 18-4226 MerCruiser Blue Plastic Drain Plug comes complete with an O-ring. The O-ring is supplied as part of the drain plug assembly, so verify the application and required part number before installation.
Where is the Sierra 18-4226 MerCruiser drain plug installed?
The Sierra 18-4226 drain plug fits MerCruiser cylinder blocks and exhaust manifolds. It is listed for use with MerCruiser V4, V6, and V8 marine engines. Confirm the specific installation location and replacement part number for your engine before purchasing.
What parts is the Sierra 18-4226 drain plug interchangeable with?
The Sierra 18-4226 is interchangeable with GLM 13992; Mallory 9-41203 and 9-41203-10; and MerCruiser Stern Drive 22-806608A02, 22-806608A1, and 22-8M0119211. Verify your existing part number and application before replacing the drain plug.
What color and material is the Sierra 18-4226 drain plug?
The Sierra 18-4226 is identified as a blue plastic drain plug for MerCruiser marine engines. It is supplied with an O-ring and is designed to fit MerCruiser cylinder blocks and exhaust manifolds on the listed V4, V6, and V8 applications.
California Residents: 
WARNING
Cancer and Reproductive Harm -
P65Warnings.ca.gov
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