Sierra 18-2917 Thermostat Housing Gasket for Mercruiser Engines

Part No: SM-18-2917

Sierra Marine gasket 18-2917 for the thermostat housing will replace the following gaskets:

- Mercury Mercruiser 27-53045-1

- Johnson Evinrude (OMC) 3701777 & 312797

- Sierra 18-2917-9

- GM 3701777

- Mallory 9-60007

The thermostat housing gasket is suitable for the following engines:

Mercruiser:

- 200/5.0L, 230/5.0LX GM & 260/5.7L GM (0B525982 - 0F600999)

- 262 Mag Alpha & Bravo (0F803800 - 0K999999)

- 4.3L & 4.3LX GM (0F000878 - 0F601126)

- 4.3L, 4.3LX & 4.3LXH Alpha & Bravo (0F601127 - 0K999999)

- 4.3L, 4.3LH & 4.3EFI Alpha (0L010044 & Up)

- 4.3L, 4.3LH & 4.3EFI (0L010044 & Up)

- 5.0L/EFI Alpha & Bravo (0L012052 & Up)

- 5.7 GM Alpha & Bravo (0F225560 - 0K999999)

- 5.7L/EFI GM Alpha & Bravo (0L010037 & Up)

- 5.7L Ski (0B514627 & Up)

- 5.7L MIE (0F622100 - 0K999999, 0L002003 & Up)

- 350 Mag (0B252882 - 0K999999)

- 350 Mag Ski (0D505450 - 0K999999)

- 350 Mag EFI Ski (0F215561 - 0K999999)

- 350 Mag MPI/MIE (0L010019 & Up)

- 350 Mag MPI Ski (0F350583 & Up)

- Scorpion Ski (0F800000 & Up)

- 7.4L & 7.4LX GM (0F352000 - 0K999999)

- 7.4L MPI/TBI (0F563052 & Up)

- 7.4L MIE (0F820142 - 0K999999)

- 454 Mag MCM/Ski (0F305000 - 0K999999)

- 502 EFI/MPI MCM (0F8026000 - 0K999999)

- 502 Mag MPI (0L017000 & Up)

- 8.2L MIE (0D857200 - 0F350274, 0F350275 - 0F819619)

- 8.2L MPI/MIE (0F819620 & Up)