Stainless Steel Thermostat Housing Kit for Mercruiser V6 & V8 Suitable for Small Block & Big Block GM Engines 4.3L V6, 5.0L, 5.7L, 6.2L, 7.4L, 8.2L V8 Can only be used with Bravo Sterndrive or Inboard Engines Replaces Mercruiser 8M0061381, 860256A4.
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