Mercruiser Thermostat Housing→GM Big Block V8 with Center Rise Manifolds
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GLM13550
$179.95 | Thermostat Housing Kit Mercruiser GM 305 350 5.0 5.7 7.4 8.2 Closed Cooling Thermostat Housing Kit for Fresh Water Cooled Mercruisers. This housing is used on inboard and Sterndrive applications with fresh water cooling. Or is needed to convert to Fresh Water Cooling when cooling the manifolds also. It will fit the following applications: All Small Block GM Engines, 7.4L MIE from 1992-97, and 8.2L (502 C.I.D.) MIE from 1993-96. Has 2-3/8 NPT ports for senders. Mounting holes are directly across from each other, they are not offset. This item replaces OEM: # 55131A5. | ||||||||||||||||||||||||||||||||||||||||||||
GLM13221
$455.95 | Thermostat Housing Kit Tee Ball for Mercruiser GM 454 7.4 502 8.2 Thermostat Housing for a Mercruiser with a Big Block V8 GM (454/502) Mark IV and Gen V engines. The mounting holes are 80• from the crankshaft centerline. This item replaces Merc. # 16413A3 & 16413A9. This Thermostat housing replaces the 1 piece design that had the flat cover covering the thermostat. That housing was obsoleted.
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