Mercruiser Stainless Steel Thermostat Housing | Sierra 18-1989

$238.90
Unit price per
Save $74.59

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

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