Product details:

Outside measurement of the mounting flange is 9 1/2 x 5. There are 6 holes in the the flange, 3 on the top and 3 on the bottom. Also, replaces any Johnson blowers with P/N 367-551 stamped on blower housing. Some of these stoves have two blowers, however the blowers are sold individually. OEM Replacement part. USSC part number 80594.