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Housing Thermostat Housing Stainless Steel GM Mercruiser Complete OEM 18-1989

Housing Thermostat Housing Stainless Steel GM Mercruiser Complete OEM 18-1989
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Housing Thermostat Housing Stainless Steel GM Mercruiser Complete OEM 18-1989

$289.00 $313.39

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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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