


Sierra Mercruiser Exhaust Elbow Gasket - 18-2833, 27-99777 2, 27-9977 -
Marsoni
M251S
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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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Product Reviews
★★★★★ 5
Great price and nice quality
Size: 300A
Great price and nice quality
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 26, 2024
★★★★★ 4
Great price, but don't stack multiple wires
Size: 300A
I used this as a junction point on a 1 gauge wire. I added an 8 gauge wire to one side, and the cover would not seat. I had to bend and maneuver the ring terminals to make the cover catch. For the price of the items, if used without any secondary wires attached and interior use only, this is an unbeatable deal.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 30, 2026
★★★★★ 5
Great Quality
Size: 300A
Exactly what I needed. Good quality and worked perfectly.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 21, 2025
★★★★★ 5
Great
Size: 300A, Size: 300A
Easy to install works great and really good quality and clean looking
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 24, 2025
★★★★★ 5
Nice!
Size: 300A
I was not expecting these to be this nice. You just can't beat the value. They look great and feel like they will hold up a long time. I definitely recommend!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 17, 2024