We've checked with Lippert before and the correct replacement control module for your Kwikee Steps with Control Module 909513 is the Lippert Components Kwikee Control Unit part # LC379606 that you referenced. view full answer...
Since you have a Kwikee Series 25 step the motor replacement you need is the Lippert Components Kwikee Step Motor for 25 Series # LC369506. Just the gear is not available by itself. view full answer...
Since your 2009 Tiffin Allegro was built on the Freightliner FRED Chassis you will need the SumoSprings Solo Custom Helper Springs - Rear Axle # SSR-502-54 you were looking at for the rear, and the SumoSprings Solo Custom Helper Springs - Front Axle # SSF-501-40 for the front axle.
These will provide 1000lbs of support to the front axle and 2800lbs of support to the rear axle to fight sway and give your motorhome a smoother ride.
I included videos of the products mentioned for you to... view full answer...
For your Fan-Tastic roof vent the correct replacement lid is the part # FVK1020-19 that you referenced. It's outside dimensions are 14-13/16 inch square which is within 1/16 inch of what you measured.
I attached an install video for this for you to check out as well. view full answer...
My recommendation would be to add an adapter. Something like the Gen-Y Adjustable 2-Ball Mount w/ Stacked Receivers - 2" Hitch - 5" Drop/Rise - 10K, part # 325-GH-414, would be a perfect choice. It has a 10K weight limit, so you will have no problem using it with your tow dolly. You can use the lower hitch opening for your tow dolly and use the upper hitch opening for the Swagman XTC2 Bike Rack for 2 Bikes - 1-1/4" and 2" Hitches - Frame Mount, part # S64670, you attached to your question.
I... view full answer...