The gear that you're talking about on your MaxxFan 4401K is the operator mechanism. For a replacement you need the # MA10-20281K-1AF. view full answer...
For your 2010 Coleman Niagara, the dimensions you gave are a big help. There isn't a perfect fit for the current setup, so you will need to use what is called an outrigger. You can use the Flexco Manual Pull-Out Steps for RVs - Double - 8" Drop/Rise - 20" Wide - 300 lbs # SMFP-2120 along with the Lippert Outriggers for Manual RV Steps # LC301704 to give you the correct fit and stability. You will use hardware # LC118155-72 to make them compatible.
Note--You may use an Outrigger on... view full answer...