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Replaces the gear box and "B" linkage on your Kwikee powered RV entry steps. Fully-enclosed gear box is protected from weather conditions. Steel linkage rotates to push steps out and pull them back in. Durable, zinc-plated construction.
Features:
California residents: click here
Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.
Hello everybody, this is Jeff at etrailer.com. Today, we're gonna take a look at the replacement gear box with the straight arm and the B linkage for Kwikee Electric RV Steps. Now, this part here will replace the gear box and the B linkage on your Kwikee Electric RV Steps. This is designed to fit the step series 28, series 31, series 37, and the series 39 steps. The gear box and the linkage work with a motor to power your steps. Now, the motor is not included, we do sell that separately on our website.
It is a fully enclosed gear box, protects the components from the elements, requires no maintenance. The B linkage, you can see the B right here to let you know that it has B linkage, with this straight arm is what'll rotate, push the steps out, and then pull them back in. This is a durable steel construction, it is zinc plated for strength and corrosion resistance. Does use a brass ball bearing to ensure long-term durability. This part is made in the USA, and the last thing I'm wanna do is just give you dimensions on this.
So if we measure the length, one end of the mounting plate to the other, it's about 8 1/4 inches, the width of it is 4 1/4 inches, and the overall height to the very top right up here, it's gonna be right at 3 1/4 inches tall. But again, just to show you how it rotates, you can see the gear in there. But that should do it for the review on the replacement gear box with the straight arm and the B linkage for the Kwikee Electric RV Steps..
Word of advice... NEVER SEND VIA USPS if at all possible. Took 8 days. 25-30 movements throughout postal channel.Sat in this post office 2 days before any movement. ATROCIOUS!!! Also you should send the 3 screws for the purchasers motor that fit the Lippert gear box female thread. My screws were a size or two under the thread needed to attach the motor. CHARGE $5 more and send three screws. I had to make a 7 mile trip to ACE HARDWARE.
Excellent , Parts’s exactly what I needed, would advise others to use your company for any RV parts they may need. . Couldn’t beat the price and delivery was right on time ,
3 bolt installation, everything works nice and quiet now. Smooth as silk operation.
The part was delivered on time and worked perfectly. I had to use the arm of my old gearbox, but that was my fault.
I was able to use the new part with my old motor by swapping the old gear with the new supplied one.
Etrailer is my go to for most parts.

Ralph
8/10/2024
Still going strong. No issues after install.
Just like the factory unit
It has been 1 year later and this is working great. I would recomend.
Exactly as advertised. Fast delivery.
2009 Winnebago step repair. Also to say etrailer was great as far as sending the part out right away. The part was easy to install. And after a year our steps still work like new. Thank you etrailer for all you do. Your awesome.
We received the new upgraded gearbox for our step motor as promised. It was not in stock so was ordered from Lippert. As soon as it was shipped to E-Trailer Adam forwarded it to us and notified us it was on the way. It is installed and working. Thanks for the service and tracking. We will use E-Trailer Alice & Rusty
Typical etrailer lightning fast (and accurate!) help in ordering the correct part and in shipping. We received the package in three days in perfect cosmetic condition with the gear box assembly being exceptionally clean/free of machining and casting marks- thank you once again for another perfect experience.
Exact replacement and works great

Allestad,
3/21/2022
It still works great so now the problems are just a memory.
have yet to install, however looks Great Prompt shipping Appreciated!!
I ordered the wrong part number, immediately returned it at my expense, and still have not received my refund about three weeks later.
Works like it should
A great follow through from shipping to receiving my product. Thanks again for the quick service.
Very good product easy to install reasonable price fast delivery and expert advice. Thanks etrailer.
Received the product in excellent condition and installation was a breeze.
Item as advertised. Perfect replacement for manufacturer's part. Helpful chat to confirm it was the part I needed and shipped/delivered timely.
Prompt and fast shipping thank you
Part was exactly what l needed.Kimberly is very knowledgeable and was a big help.
Easy installation works great t
Nice part!

Dennis C.
8/17/2023
Still works great!
I haven't installed the part yet but it looks to be the perfect fit thank you will and I will use you in the future
Easy to install and still working great
Quality product!
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Mike
8/16/2025
Absolutely perfect. Very sturdy step.