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Thermostat Housing Lower Mercruiser 4.3 5.0 5.7 1983-Newer 87290A4


  • Part #: BARMC-29-87290

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Lower Thermostat Housing for Mercruiser GM V6 and GM small block V8, engines with center riser manifolds.
Used with engines that have a two hose bib top cover and usually has a Tee Ball Valve screwed in the threaded hole on top.
OEM: Mercruiser # 87290A4
Fits models V6/4.3, 305/5.0, 350/5.7.
Genuine  Barr  Parts

BARR American made

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