Atwood 91447 Thermostat Assembly
by Atwood
- Sierra Shift Arm, Meets or exceeds the original equipment quality, Sierra part number: 18-2161, Interchangeable with the following: GLM 21140, Mallory 9-72153, Mercruiser 45518A2, 45518A3 and 45518A1., Fit specific, check part numbers to ensure proper fit