Sierra 18-2833 Gasket for Mercruiser Exhaust Elbows

Part No: SM-18-2833

Sierra Marine gasket 18-2833 for the exhaust manifold elbow will replace the following gaskets:

- Mercury 27-99777-2 & 27-19553

- Mallory 9-61407

The exhaust elbow gasket is suitable for the following engines:

Mercruiser:

- 120, 140, 2.5L & 3.0L GM 4-cylinder 181 cu. in.

- 198, 228 & 898 model V8 GM Small Block 305-350 cu. in.

- 215, 225, 233, 255, & 888 model V8 GM Small Block 302-351 cu. in.

- 165 & 200 IL6 GM Inline 6-cylinder 250 & 292 cu. in.

Mercury / Mariner:

- 35hp & 40hp 2-cylinder (2736807 - G053313)

- 50hp, 60hp & 65hp 3-cylinder (3293184 - D000749)

- 70hp 3-cylinder (4571652 - 6428680)

- 40hp, 45hp & 50hp 4-cylinder (4357640 & Up)

The gasket is also for use with Sierra elbows 18-1971, 18-1978 and 18-1972.