Description 4" outside diameter 1-1/2" width 28 blades Clockwise rotation Designed to fit specific Carrier, Bryant and Payne furnace models: LA11AA005, P441-1146, LA11AA004, LA11AA006, P4411146. Compatible with Manufacturer Model Number: 373LAD024055ABJA; 373LAD024055ACJA; 373LAD024055GAJA; 373LAD024055GCJA; 373LAD036055ABJA; 373LAD036055ACJA; 373LAD036055GBJA; 373LAD036055GCJA; 373LAD036070ABJA; 373LAD036070ACJA; 373LAD036070GBJA; 373LAD036070GCJA; 373LAD048070ABJA; 373LAD048070ACJA; 373LAD048070GBJA; 373LAD048070GCJA; 373LAD048090ABJA; 373LAD048090ACJA; 373LAD048090GBJA; 373LAD048090GCJA; 373LAD060090ABJA; 373LAD060090ACJA; 373LAD060090GBJA; 373LAD060090GCJA; 373LAD060105ABJA; 373LAD060105ACJA... Installation Instructions for LA11AA005 1. Disconnect electrical power supply to the appliance 2. remove the access panel to the HVAC System 3. Remove motor from housing by removing all the screws holding it in place, typically, 3-4 4. Pull motor out and unscrew wheel from motor shaft. (there is a gap in the wheel to reach). If you cannot get screw to budge stop here and buy the wheel that goes with it. 5. Make sure you test that the wheel is tight and will not slip on shaft!. Hand spin wheel to make sure everything rotates smoothly with no wobble 6. Install motor back into the HVAC unit attach cords to the terminals and give it a test!