Atwood 91447 Thermostat Assembly<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Sierra Shift Arm</li><li>Meets or exceeds the original equipment quality</li><li>Sierra part number: 18-2161</li><li>Interchangeable with the following: GLM 21140， Mallory 9-72153， Mercruiser 45518A2， 45518A3 and 45518A1.</li><li>Fit specific， check part numbers to ensure proper fit</li></ul></div><img src="http://ecx.images-amazon.com/images/I/511ivExOwAL.jpg" noproxy>