Coleman white gasket fits the following burner doors found on various 7600 series furnaces: 7970-5491, 7706A5491, 7706B5491, 7706C5491 & 7706-5491. Outside diameter of gasket is 2.5" with in inside diameter opening of 1-3/8". Held in place by tabs on the door. Observation door not included -- pictured for reference only.
Replaces part number 7706-3171, 7706-317, 7706A3171 & 7706A317.