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Replacement Step, Motor, and Switch for Kwikee RV Electric Steps - 28 Series - 23-5/8" Wide

Replacement Step, Motor, and Switch for Kwikee RV Electric Steps - 28 Series - 23-5/8" Wide

Item # LC3747451
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Retail:$870.11
Our Price: $545.03
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RV and Camper Steps
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Shipping Weight: 38 lbs
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Product Expert Kathleen M

Is this right For you? Product Expert Kathleen M says:

Yes, if you:

  • Have a busted step, motor, and switch kit but the control unit (which automatically extends and retracts the steps) works just fine
  • Have an entry height (distance from the ground to the mounting point) of about 15-1/2" - 18-1/2" and a mounting place of least 24-1/4" by 8-5/8"

No, if you:

  • Need a whole setup for your steps to make sure that everything is fresh and new
  • Have a bad back, knees, or hips and need steps that make solid contact with the ground to eliminate the bouncy, diving board feeling
Replaces the electric step, motor, and switch kit for your Kwikee 28 series RV steps. Motor extends and retracts the step when it receives the signal from the switch kit. Wiring pigtail hardwires to your RV's power. Lowest Prices for the best rv and camper steps from Kwikee. Replacement Step, Motor, and Switch for Kwikee RV Electric Steps - 28 Series - 23-5/8" Wide part number LC3747451 can be ordered online at etrailer.com or call 1-800-940-8924 for expert service.
  • All Info
  • Reviews (101)
  • Q & A (0)
  • Photos
  • Why etrailer?

Kwikee RV and Camper Steps - LC3747451

  • 1 Step
  • Electric Step
  • Motorhome
  • 24 Inch Wide Step
  • Kwikee
  • 24-1/4 Inch Wide
  • No Ground Contact
  • 7 Inch Drop/Rise
  • Steel

Replaces the electric step, motor, and switch kit for your Kwikee 28 series RV steps. Motor extends and retracts the step when it receives the signal from the switch kit. Wiring pigtail hardwires to your RV's power.


Features:

  • Replaces the step, motor, and switch kit for your Kwikee 28 series steps
    • Control unit (LC379146) for automatic extension sold separately
  • Motor works with gearbox to extend and retract the step
  • Switch kit wires to the step and mounts inside your RV for manual operation
  • Integrated safety feature automatically retracts the step if it strikes an obstacle during extension
  • Non-slip tread and easy-to-see reflective strips on step surface
  • Sturdy, powder coated steel construction with weatherproof wiring withstands the elements
    • Solid steel drive rods and stainless steel bushings provide additional durability
    • Air pressed rivets at pivot points ensure long-term strength
  • Simple installation with existing mounting holes and wiring harness
    • Hardware sold separately
  • Made in the USA


Specs:

  • Extended height: 9-5/8"
    • Folded height: 6"
  • Overall width: 24-3/4"
  • Mounting plate dimensions: 24-1/4" wide x 8-5/8" deep
  • Bolt pattern: 22" wide x 6-1/2" deep
  • Step dimensions: 23-5/8" wide x 10-1/2" deep
  • Drop/Rise: 7-1/2"
  • Voltage:
    • Motor: 12V
    • Switch kit: 250V
  • Weight capacity: 300 lbs
  • 1-Year warranty


Note: This step assembly includes the steps, motor, and switch kit only. The steps will operate manually through the switch kit.


If you want the complete step assembly that allows the steps to automatically extend and retract with the RV door, you will need a control unit. The switch kit included with this assembly will still work, but if you want to be able to override the automatic retraction, so the steps stay out whether the door is open or closed, you will need a different switch kit. The complete assembly with steps, motor, control unit, and switch kit is available under part number LC3747453.


The included 4-way plug fits into the existing wiring harness on your RV. Most vehicles should have this wiring already set up. In the event that your RV is missing the wiring, a 4-way pigtail is included to help you hardwire the unit to your RV.


Safety Features

The Kwikee steps include several safety features in an effort to prevent injury to you or your passengers and damage to the RV steps. If an obstruction is detected while extending, the steps will halt and retract back into the stowed position. The steps will also retract when you turn on the vehicles ignition, even if the automatic retraction override has been activated, in case you forget to stow them before driving away.


Will Kwikee Electric Steps Work for You?

Electric steps are typically installed on RVs and some travel trailers. The electric steps from Kwikee install and fold up underneath the camper for simple storage. To ensure you choose the correct size for your application, there are a few measurements you will need to take.


Kwikee In and Out

The Kwikee electric steps attach to the underside of the camper chassis, directly beneath the doorway. To decide which size you'll need, locate the space available underneath your camper that lines up with the doorframe, and measure the width and depth. You will need a mounting space that is at least 24-3/4" wide and 8-5/8" deep.


If it turns out you have more or less space beneath your doorway, there are other step assemblies available with bracket sizes ranging from 24-3/4" wide to 37-1/4" wide. A full list of the available steps is below.


Outriggers for RV Steps

Outriggers - metal brackets that act as an extension (LC301704 - sold separately) - may be needed for installation depending on the model of your original stairs. These provide extra length if the old steps are longer or wider than the new.


Once you know where the mounting bracket will go and what size mounting bracket you need, that spot will be used as the "mounting point" to determine how many steps you will need.


How Many Steps Do You Need?

Kwikee Entry Height

To decide on how many steps you'll need, measure from the mounting point to the ground. This is called the entry height. The entry height should roughly match the height of the steps when they're fully extended, plus 6" to 8" to account for the drop from the bottom step to the ground. This measurement will also tell you how many steps you need.


The chart below displays mounting bracket widths in the first column and entry height measurements in the second column. The third column shows the corresponding part numbers. Use the mounting bracket width and entry height measurements you took to determine which part number will fit your RV. Choose the bracket size that is closest to your measurements without going over.


This page's step assembly is in bold text.


Mounting Bracket WidthEntry HeightPart Number (Complete Assembly)Part Number (Replacement Assembly)
24-3/4"15-5/8" - 17-5/8"LC3747453LC3747452*, LC3747451**
25"16-3/4" - 18-3/4"LC3724742n/a
25-1/2"27-7/8" - 29-7/8"LC3658373LC369552*, LC365837*
25-1/2"20-1/8" - 22-1/8"LC372261LC3722615*, LC3722617**, LC3722616***
25-1/2"20-1/2" - 22-1/2"n/aLC3725791*
25-1/2"12-1/8" - 14-1/8"LC3723383LC372338**
25-1/4"13" - 15"LC3711363LC371136*, LC3711361**
25-3/4"22-7/8" - 24-7/8"n/aLC372558*
25-5/8"11-7/8" - 13-7/8"LC3691461LC369146*, LC3691462**
25-5/8"13" - 15"n/aLC3726041*
25-7/8"23-1/4" - 25-1/4"LC3726892LC3726891**
26-5/16"27-1/4" - 29-1/4"LC3694042n/a
29-3/8"18" - 20"LC3722661LC372266*, LC3722662**
30-1/4"15-1/4" - 17-1/4"n/aLC372779*
30-3/8"17-1/4" - 19-1/4"n/aLC427247*
30-5/8"20-1/2" - 22-1/2"n/aLC375632*
31-1/2"28-5/8" - 30-5/8"n/aLC375821*
31-1/2"12-3/8" - 14-3/8"LC3756271LC3756272**
32-3/8"20-1/4" - 22-1/4"LC3722862LC3722863**
37-1/4"18" - 20"n/aLC3694112*, LC369411***

*Motor and control unit

**Motor and switch kit

***Motor only



How Do You Install the Steps?

To install the steps:

  1. Hook up the steps to power to verify that all components are in working order
  2. Make sure the camper is level on flat ground
  3. Lift the steps into the mounting space and prop into place
  4. If needed, mark the mounting holes on the camper and drill

    -Set aside steps before drilling

  5. If needed, install the outriggers
  6. Align step mounting holes and secure in place with carriage bots and flange lock nuts

    -Make sure bracket is backed up fully against the I-beam on the chassis

    -Hardware not included

  7. Tighten hardware until snug
  8. Make sure assembly is sitting square and level
  9. Torque the hardware tight
  10. Connect the appropriate writing to your vehicle's source


3747451 Lippert Components (LCI) Quickie 28 Series Motorized Motorhome Entry Steps - One Stair - 7" Drop/Rise - 23-3/4" Wide - 300 lbs

Kwikee Part Number 902800906






Customer Reviews

Replacement Step, Motor, and Switch for Kwikee RV Electric Steps - 28 Series - 23-5/8" Wide - LC3747451

Average Customer Rating:  4.8 out of 5 stars   (101 Customer Reviews)

Replaces the electric step, motor, and switch kit for your Kwikee 28 series RV steps. Motor extends and retracts the step when it receives the signal from the switch kit. Wiring pigtail hardwires to your RV's power.

by:

The part sent was incorrect, so here we go in other week with an ambulance down. I’ll recap they sent the incorrect step we used it anyway because we wanted something to assist people to enter the ambulance, the switch with the unit they sent was defective it took a half hour on the phone from the service person to understand that, they sent the wrong switch so I spent a half an hour on hold then spoke with the person for 20 minutes, they were supposed to get back to me letting me know they figured out the correct switch and they have not. We’ll see what tomorrow brings?


Comments
I will have our Customer Service team reach out to you.
-- Etrailer Expert Jenny N - 04/27/2022

by:

The steps were easy to install. They fit perfect. Holes for bolts ligned up perfect. They still work after a year. Would recommend to anyone. ThankYou, Etrailer



by:

I think I was misled by the vedio I was expecting a automatic switch and amber step lite like in vedio


Comments
To add the automatic open and close feature when the doors open on the RV you would need part # LC379146
Replacement Control Unit for Kwikee Electric RV Steps
$140.54
. For the light kit to be added you would need # LC379414
Replacement Light Kit for Kwikee Electric RV Steps - Amber - 2-13/16" Diameter
$17.51
.
-- Etrailer Expert Jenny N - 03/14/2022

by:

The steps itself work great as far as the delivery when I received them the box was torn and part of the frame was bent.Iwad able to straighten it what I would recommend is better packaging or a different carrier.



by:

Upon opening the box, I bench tested the 28 series steps and they worked perfectly. Once the older steps were removed, the installation went easily. I used a floor jack to lift and hold the 28 series steps in place thus allowing me to Mount them alone.



by:

Great step .... motor seems to run now but step will not come out..
Need some advise on this problem



by:

Etrailer.com is top shelf. Great products and outstanding service. Their webpage is user friendly. Do Not hesitate to do business with these people. I have conducted several orders with them with 105% satisfaction.



by:

Because of a unique application, my installation was significantly more involved than standard.E- trailers assistance in resolving the issues was very helpful and professional. Thank you. Darrel



by:

I am so glad I came across etrailer.com, They have what I need in stock, and show you how to use and or install the product.
They have great prices and fast shipping, What else could you ask for!



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by:

Review from a similar Kwikee 28 Series in RV and Camper Steps


Purchased 1 year ago to replace a damaged unit on my motorhome. Installation was simple and after 1 year it still works perfectly. Great company and will always look to them when and if I need additional items.



by:

Review from a similar Kwikee 28 Series in RV and Camper Steps


This was the old step!
Took 2 hrs to
change out. It's plug and play!
Great product.



by:

Review from a similar Kwikee 28 Series in RV and Camper Steps


Our Steps came way earlier then expected ! What a surprise. Vicki was awesome to work with !. We are anxious to get them put on. Will update the outcome when we put them on.

Our box was a little beat up but everything seemed to be ok inside the box.



by:

Review from a similar Kwikee 28 Series in RV and Camper Steps


Awesome step ! No more stool to fall off of !
etrailer shipped the step out fast !
Me and my wife just love it !
Thanks guy and gals at etrailer !
You have a customer for life !



by:

Review from a similar Kwikee 28 Series in RV and Camper Steps


We replaced a damaged step a year ago. The new one from etrailer has performed great! We really like working with etrailer.



by:

Review from a similar Kwikee 28 Series in RV and Camper Steps


Exact replacement for the steps. Fast shipping. Great service.



by:

Review from a similar Kwikee 28 Series in RV and Camper Steps


This was the exact replacement for the job.



by:

Review from a similar Kwikee 28 Series in RV and Camper Steps


The step is a replacement for the old one that was on the motor home
The bolt holes to mount it were an exact match the wire diagram was a little different than the old unit
The unit works great and was a lesser price that some others I have looked at



by:

Review from a similar Kwikee 28 Series in RV and Camper Steps


Kwikee step is well made and easy to install. E-trailer customer service was the best! The step arrived by USPS in 4 days. The installation instructions were easy to read



by:

Review from a similar Kwikee 28 Series in RV and Camper Steps


First off shipping was fast. Recieved the step in 3 or 4 days rather than the estimated 12 days. Fit the original like a glove. Remove 4 bolts, replace, plug it in and back in business. Works great. The short YouTube video showing how to extend the step for easier installation was very helpful. Thanks etrailer.



by:

Review from a similar Kwikee 28 Series in RV and Camper Steps


The steps arrived as expected. They are identical with the exception of the wire for the outdoor light. I have taken the old ones off but not put the new ones on. The person I spoke with was very helpful with the steps. Installation begins in the morning. I am only giving 4 stars due to the lack of instructions. I am having to find the links online. It could have made suggestions for making the project easier or something even though it appears to be quite simple.


Comments
Great, it is easy to hook up and we feel safe towing our jeep.
Milton - 07/20/2020

by:

Review from a similar Kwikee 28 Series in RV and Camper Steps


The bolt holes should be taped or threaded to 8 // 32
You should sell a bolt kit with all the bolts. And all the bolts to hold up the light and controller
Worked great and was easy to install.


25
101
Show More Reviews

Ask the Experts about this Kwikee RV and Camper Steps



  • What is the Drop/Rise Measurement for Lippert Kwikee 28 Series Electric Step LC3747451
    For the Kwikee step # LC3747451 it measures 9.33 inches from the top of the mounting surface to the bottom of the step (when the step is out). The distance from the top of the step to the top of the mounting surface is 7 inches. So the drop/rise is 7 inches.
    view full answer...
  • Replacement Kwikee RV Steps with Switch
    We have the Replacement Step, Motor, and Switch for Kwikee RV Electric Steps # LC3747451. This will be a simple kit that will come with a 4 terminal switch so that you can deploy and retract the steps when you want.
    view full answer...
  • Dimensions of Lippert Kwikee Steps Single Step # 3747451 and # 3756271
    The Lippert Components Kwikee 28 Series Electric Step # LC3747451 has a height of 5.88 inches when retracted. The Lippert Components Kwikee 35 Series Single Electric Step # LC3756271 has a height of 5.75 inches. I've attached a couple photos with more dimensions to assist.
    view full answer...
    Image 1 for Image 2 for
  • How to Pick Out Replacement Motor for RV Steps
    There's a few ways to do it. If you can get the number off of the motor on the step that can help identify what it is. If you can determine what series step it is that helps too. Pictures of the motor and step will help a lot. There are several styles of steps and some have different generations so the key is determining what step you have, what version of it you have and then selecting the replacement motor based on that. So the step you referenced is the Lippert Kwikee 28 Series part...
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  • Could Lippert Powered Single Step Fit on Chrysler Town and Country
    While the Lippert Power Steps part # LC3747451 was originally designed for RV applications but with a set of outriggers like part # LC301704 and some creativity you could make it work.
    view full answer...
  • Comparing Kwikee Lippert # LC3474453 VS # LC3747451
    In comparing Kwikee Lippert # LC3474453 VS # LC3747451 electric steps (28 Series), I find that the 451 is a basic electric step that goes in or out based on an in-cab switch only. The 453 model additionally includes a control unit, and magnetic door switches that automate extending and retracting the steps. As you mentioned, the 453 has a step light as well.
    view full answer...
  • Adding Electric Step To Converted Ambulance
    I have a solution for you. Kwikee Electric RV Step Complete Assembly - Single - 28 Series - 23-5/8" Wide # LC3747453. This step has a 7 inch drop so it will cut your 14 inch step in half. Hardware is not included. Extended height: 9-5/8" Folded height: 6" Overall width: 24-3/4" Mounting plate dimensions: 24-1/4" wide x 8-5/8" deep Bolt pattern: 22" wide x 6-1/2" deep Step dimensions: 23-5/8" wide x 10-1/2" deep Drop/Rise: 7-1/2" Motor: 12V Switch kit: 250V Control unit amperage: 10A Light...
    view full answer...
  • Motor Upgrade Kit For Kwikee Series 28 Steps On a 1994 Winnebago Elante Motorhome
    The Motor Upgrade Kit # LC379769 will give you a new motor, gearbox, control unit, switch kit and hardware for your series 28 Kwikee step on your 1994 Winnebago Elante motorhome. The motor will be the updated IMGL that has more torque for opening and closing the steps faster.
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  • Replacement Double Step Electric RV Steps for Lippert 28 Series Single Step
    With your current step being the Lippert Kwikee 28 Series Electric Step # LC3747451, the Lippert Components Kwikee 32 Series Double Tread Electric Step # LC372261 will be just slightly bigger and also have the extra step. It will come with all the new electrical components you mentioned, so you will get the motor, controller, and switch kit with the step. The difference is in the mounting bolt pattern. Your old step had 22 inch by 6-1/2 inch mounting bolt pattern and the new step has...
    view full answer...
    Image 1 for
  • Replacement Motor for Kwikee 28 Series Step Made In 1988
    The issue you are having with your Kwikee 28 Series Step is a bad motor. I do have an option for you but the cutoff date for replacement parts on Kwikee Steps is 1999. Therefore, they do not make a replacement motor that will work with your Kwikee Step due to its age. The only option you have is a full replacement, the Kwikee 28 Series Electric Step part # LC3747451. If you want to switch to a more cost effective manual pull-out step you can use the Lippert Manual Pull-Out Step part #...
    view full answer...
  • Replacement Series 26 Kwikee Electric Single Step
    I do have an option for you but I contacted Kwikee because the motor, gears and linkage are different for each series of steps, it is not possible to replace the series 26 step frame with the series 28 frame part # LC3747457. They do not offer just the frame for this series. I recommend to replace the whole step with part # LC3711361. I have attached a diagram of the bolting hole pattern for your reference.
    view full answer...
  • Recommended Kwikee Electric Step 28 Series For A 1999 Gulfstream Sun Voyager Motorhome
    The Replacement Step, Motor, and Switch for Kwikee RV Electric Steps - 28 Series - 23-5/8" Wide # LC3747451 isn't going to include the control unit # LC379146 so as long as your current one is operational you can just reuse it with this new step. If not then you can order the Kwikee Electric RV Step Complete Assembly - Single - 28 Series - 23-5/8" Wide # LC3747453 which will come with everything you need.
    view full answer...
  • Replacement Kwikee Series 28 RV Steps for Winnebago
    For a replacement Kwikee Series 28 power step we have the part # LC3747451 which will replace everything. If you were looking for a replacement control unit you'd need part # LC379146 or if you needed a replacement linkage part # LC379648.
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  • Recommended Step Assembly Replacement For A 2008 Freightliner With Toter Camper Body
    If you're wanting to replace the complete assembly of your 2008 Freightliner's steps then I'll just need to know the entry height (ground to mounting plate) and the width of your mounting plate. For example the Replacement Step, Motor, and Switch for Kwikee RV Electric Steps - 28 Series - 23-5/8" Wide # LC3747451 you linked to would be a fit for an entry height of 15-5/8" - 17-5/8" and mounting bracket width of 24-3/4". If you can get these measurements and reply back then I can find...
    view full answer...
    Image 1 for
  • Replacement Parts for Kwikee Series 28 Electric RV Steps For Complete Setup
    For your Lippert Series 26 step, I recommend the Lippert Components Kwikee Step power switch and door kit # LC369311 and then using controller # LC379146. Then you will also add the Lippert Components Kwikee Step Replacement Light # LC379414. This will work the single step # LC3747451 which comes with gears and motor only. If you are unsure of the current gear box and motor, then you would use the complete kit # LC379769.
    view full answer...
  • Recommendations for Adding Step for Easier Access on 2005 GMC Envoy
    I have a really great option for adding a step to allow for easier access into your 2005 GMC Envoy, however I don't think the Kwikee Electric RV Step # LC3747451 that you referenced is going to work well. It's going to require an awful lot of modification to the Envoy, with the addition of having to wire it up to the battery for power. I don't think there's going to be enough mounting space under the vehicle for the brackets, either. A much better option is going to be with a simple but...
    view full answer...

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Info for this part was:

Employee Michael H
Expert Research:
Michael H
Employee Jameson C
Expert Research:
Jameson C
Employee Kathleen M
Updated by:
Kathleen M
Employee Brian T
Updated by:
Brian T
Employee Halie H
Updated by:
Halie H
Employee Cody B
Updated by:
Cody B
Employee Dustin K
Video Edited:
Dustin K
Employee Chelsea B
Written by:
Chelsea B

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