Sierra Mercruiser Exhaust Elbow Gasket - 18-2833, 27-99777 2, 27-9977 -

Sierra Mercruiser Exhaust Elbow Gasket - 18-2833, 27-99777 2, 27-9977 -

Marsoni

M251S

$12.88

Get it in 3 business days with 1 day shipping. Friday, May 29

Sierra Mercruiser Exhaust Elbow Gasket - 18-2833, 27-99777 2, 27-9977 -Mercruiser Exhaust Elbow Gasket Brand : Sierra Item #: 18 2833 OEM #: 27 99777 2, 27 99777, 27 99777 1 Make Model CC HP Year Mercruiser 4 Cylinder 3. 0LX 1995 Up Mercruiser 4 Cylinder 2. 5L 120 1983 Mercruiser 4 Cylinder 2. 5L 120 1984 Mercruiser 4 Cylinder 2. 5L 120 1985 Mercruiser 4 Cylinder 2. 5L 120 1986 Mercruiser 4 Cylinder 2. 5L 120 1987 Mercruiser 4 Cylinder 2. 5L 120 1988 Mercruiser 4 Cylinder 2. 5L 120 1989 Mercruiser 4 Cylinder 140 1968

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The Best motor oil I have used. I recently began using this brand and 5W-30 instead of 0W-20 in my Chevy Silverado; noted smoother operation and no lifter ticking sounds. There feels like there is better engine protection which should add to long-term durability. This is compatible with trucks as well as cars. Probably adds a few better numbers on gas mileage too.

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Reviewed in the United States on April 24, 2026