Fernco 3000-43 4" X 3" Shileded Coupling
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<b>[Product Information]</b><br>
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<li>Sierra Thermostat</li>
<li>Temperature rating: 160°</li>
<li>Sierra part number: 18-3554</li>
<li>Interchangeable with the following: GLM 13060, Mallory 9-43021, OMC 383307</li>
<li>Fit specific, check part numbers to ensure proper fit</li>
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