Mercruiser Stainless Steel Thermostat Housing | Sierra 18-1989

Regular price $270.83 Regular price ~~$313.49~~

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Mercruiser Stainless Steel Thermostat Housing | Sierra 18-1989

Stainless thermostat housing fits various Mercruiser GM 4.3L, 5.7L, 7.4L and 8.2L marine engines.

Fits various Mercruiser GM 4.3L, 5.7L, 7.4L and 8.2L applications
Stainless steel construction
Includes inserts, pipe plugs & thermostat gasket
Uses Sierra 18-1989K gasket service kit
Replaces Mercury 87290A4, 8M0061381, & 861006A1