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  1. Towing Mirrors
  2. K Source
  3. Clip-On Mirror
  4. Single Mirror
  5. Universal Fit
  6. Fits Driver Side
  7. Fits Passenger Side
K-Source Universal Towing Mirror - Clip On - Convex Mirror - Qty 1

K-Source Universal Towing Mirror - Clip On - Convex Mirror - Qty 1

Item # KS3891
Retail:$65.30
Our Price: $42.37
You Save: 35%
Towing Mirrors

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Shipping Weight: 1.67 lbs
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Extra-large, universal towing mirror clips over one of your existing side mirrors to give you an extended rear view. A ratcheting strap system creates a snug fit to reduce vibration. Works on driver- or passenger-side mirror. Tool-free installation. Great Prices for the best towing mirrors from K Source. K-Source Universal Towing Mirror - Clip On - Convex Mirror - Qty 1 part number KS3891 can be ordered online at etrailer.com or call 1-800-940-8924 for expert service.
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  • Reviews (673)
  • Q & A (0)
  • Photos

K Source Towing Mirrors - KS3891

  • Clip-On Mirror
  • Single Mirror
  • Universal Fit
  • Fits Driver Side
  • Fits Passenger Side
  • Manual
  • K Source
  • Non-Heated

Extra-large, universal towing mirror clips over one of your existing side mirrors to give you an extended rear view. A ratcheting strap system creates a snug fit to reduce vibration. Works on driver- or passenger-side mirror. Tool-free installation.


Features:

  • Extra-large towing mirror mounts on either of your factory side mirrors to extend your line of sight
    • Gives you an expanded view of the road and your trailer
    • Allows you to safely and easily change lanes, back up, pass, and park
  • Adjustable so it fits mirrors of different shapes and sizes
    • Ratcheting system securely tightens heavy-duty rubber straps over a variety of mirrors
    • Mounting arms rotate outward to accomodate different factory mirrors
      • Pivoting joints in the middle of the arms allow further adjustability
    • Sliding clips grab onto the edge of your factory mirror housing and adjust to fit varying mirror thicknesses
  • Snug fit reduces mirror vibration
  • Manually adjustable mirror face allows you to customize your view
  • Quick-release button on ratchet for easy strap adjustment and fast removal
  • Rubber pads on the straps protect your vehicle's mirror housing from scratches
  • Convex mirror makes reflections appear smaller than with a flat mirror, allowing you to see more
  • Black plastic housing provides a clean look and won't rust or corrode
  • Easy, tool-free installation and removal - no hardware required


Specs:

  • Application: fits most mirrors 4-1/2" to 11-1/2" tall
  • Overall dimensions: adjusts from 4-1/2" to 14" tall x 14-1/2" wide
  • Mirror face dimensions: 7-3/4" tall x 5-1/8" wide
  • Quantity: 1 mirror
  • 90-Day warranty


Ksource Universal Towing Mirror Back ViewKsource Universal Towing Mirror Front View

This adjustable, universal-fit towing mirror expands your field of vision so you can better see your trailer or anything else that is behind you. The ratcheting strap system gives you a snug fit that reduces mirror vibration. Because the mirror arms adjust into several shapes, it can be attached to either the driver's-side or passenger's-side mirror on a variety of vehicles. Each of the mirror's mounting arms is jointed behind the mirror so the arms pivot inward or outward, and 2 additional joints in the middle of each arm add further adjustability so you get the perfect fit.


Ksource Sliding Clips on Universal Towing Mirror

Built-in clips on the arms will grab the lip between the glass on your factory mirror and the factory housing. These clips are also adjustable to fit the thickness of your mirror housing.


Ksource Universal Towing Mirror Ratchet Diagram

The ratcheting system uses heavy-duty rubber straps to tighten the towing mirror securely over your existing mirror. A quick-release button in the middle of the ratchet lever allows you to unlock the ratchet mechanism for fast strap adjustment or easy removal of the mirror. When you install the towing mirror, use the ratchet lever to tighten the straps. When you have the straps securely on your mirror, close the ratchet covers over the ratchets to lock them in place.


A ball joint behind the mirror allows you to manually adjust the mirror face to different viewing angles. You can also turn the entire mirror face to a horizontal or vertical position - whatever works best for your application. Rubber pads on the straps protect the back of your factory mirror to prevent scratches when this mirror is installed for towing. Tools and other hardware aren't needed for installation, and the tight fit means there is no danger of losing these mirrors on the side of the road. You'll be ready to travel in minutes, and the increased field of vision will allow you to cruise the highways stress free.



3891 K-Source Extra Large Universal Clip-On Towing Mirror - Qty 1





Customer Satisfaction Score:


Customer Reviews

K-Source Universal Towing Mirror - Clip On - Convex Mirror - Qty 1 - KS3891

Average Customer Rating:  4.5 out of 5 stars   (673 Customer Reviews)

Extra-large, universal towing mirror clips over one of your existing side mirrors to give you an extended rear view. A ratcheting strap system creates a snug fit to reduce vibration. Works on driver- or passenger-side mirror. Tool-free installation.

by:

After years of replacing mirrors from other sources I purchased a pair of these. There fantastic, plenty of adjustments. Got covid on vacation, really sick and did not properly install mirror. Not broken but scratched badly from asphalt at 55 mph. Purchased a replacement, scratched one is my spare.



by:

I already had mirror extensions because I pull a travel trailer, but one got broken off so I needed a replacement. I chose this different model and am happy I did because it gives me a clear view of what might be coming up on my left side. I can easily see if I am able to change lanes. I do still like the other model though, and it works perfectly for the right side because I have three different aspects to help me know when to pull back in after passing. I highly recommend both models.
Shipping was fast.



by:

Appears to be well built/solid. Won't get to install & test on my '24 Canyon for a month or so...will update after my first camping excursion next month, about a 300-mile round trip.



by:

Easy to put on and adjust (2021 Toyota Tacoma). Can't beat the value for the price.

Sean

2/1/2024

Its been just over a year since I purchased these and they work wonders, especially when backing up and switching lanes on the highway. The truck feels naked if Im towing without these.



by:

These mirrors are good, but not great. I bought these because nothing else fits my 2004 Ford Expedition. They allow me to see around my trailer much better than the factory mirrors, but the have a slight vibration driving down the road. They also make a very noticeable noise from the wind going between the factory mirror and this product. Finally, one of the straps came off when I tightened it a bit too much, but didn't break. The picture below was done in humor (I took my trailer through a drive through, thought it was really funny, and had to take a picture. The picture is a good shot of the mirrors.)

Jeremy J.

8/24/2018

Honestly, I am not a fan. One fell off going down the highway and busted into a billion pieces.

Etrailer Expert

Rachael H.

8/24/2018

Of the universal towing mirrors that attach directly to the mirrors these are the ones that recommend. I have included a link to the single towing mirror options that we do have. You may want to consider one of the fender mount options like # 11650 and # WM6600, our other customers have had positive reviews those type of mirrors.


by:

The extended mirrors were easy to install and adjust, no vibration or rattle will driving. Installed and used them for a 1500 mile trip, towing a 22 ft Travel Trailer. They were very useful in making a safe journey. There is no adjustment for their extension which would have help greatly in seeing more of the back of travel trailer, they would work extremely well with flat bed or boat trailer.

Louis L.

4/9/2019

Only Exception is I need longer mirrors looking to buy longer mirrors soon The mirrors worked great, never removed them from factory mirrors. Held in places no issues. Do need longer extensions for my towing application. Would prefer mirrors with longer extension. Im towing with 2008 gmc Acadia

Etrailer Expert

Rachael H.

4/11/2019

Thanks for your feedback you may want to consider the # KS3990 K-SOurce Universal Dual Lens Towing mirror.It has a Dual mirror face that will provide better visibility for you.


by:

I had a pair of strap on exterior mirrors for my 2007 Ford Ranger that I was unhappy with for a variety of reasons. The problem with my model truck is there are relatively few aftermarket accessories for it. But when I got the email talking about these clamp on exterior mirrors, I decided to give them a try. I have a winner!

They went on easily and they don't vibrate. Best of all, the adjustment for the passenger side mirror only took two tries to get it just right. Of course, the driver's side mirror is right where you are sitting, so it adjusts easily with one attempt. I'm very pleased with how these turned out. I'll be using them to see around my boat when I drag it down the road.

Jay I.

10/22/2016

I havwe not changewd my opinion. Im still happy with the mirrors.



by:

The design of my Durango mirror made it hard to get a secure fit of the towing mirror. The passenger side loosened and was lost as we motored down the road. No way to stop and retrieve it.



by:

Concern that this model mirror would not fit my 2016 Toyota Highlander Platinum was unfounded. They were extremely easy to attach and fit the SUV mirrors very well. At 60mph, no sense of loosening or significant vibration. I was especially pleased that they did not interfere with the SUV's side warning indicator sensors. Highly recommend.

Jim M.

12/11/2017

Thanks for the follow-up. Yes, still using and appreciating the towing mirrors. Theyre easy to install, provide good visibility and provide a stable image when on the road. What more can you ask for?



by:

Mounting brackets restrict movement of internal vehicle mirror. Order took over a month to be delivered.

Etrailer Expert

Jenny N.

8/9/2023

Sometimes the clamp on mirrors can be more difficult to use. For your 2015 Ford 150 I recommend using a more custom fit slide on mirror like part # CM11550. I typically only recommend the clamp on style where there is not a slide on mirror available.



by:

Don't often write reviews but these towing mirrors deserve our feedback. Tow vehicle is a 2005 Honda Pilot with a weight distribution hitch and anti sway bar pulling a 2007 Hi Low travel trailer at 3400 lbs dry. Extension mirrors were needed. These K Source mirrors get our positive review for good reason. Well made and very secure (always re-tighten after several minutes on the road as a precaution). Quality construction, solid materials, all parts fit perfectly. The tightening ratchet was a surprise with its precision. And the release button, well shrouded for safety, works quickly and easily. Good price and fast delivery were a bonus. Etrailer...great job. Keep the quality products coming. 8/28/13.



by:

The mirror works great; however, the side mirrors on my 2012 Jeep Grand Cherokee are tapered so I have to ratchet the straps really tightly to keep it from slowly slipping off. But if I put too much tension on the straps the bottom angle clamps sometimes pulled back (and off) from the face of the mirror frame. I don't think it would fall off, but it happened once and I was really anxious to get to the next exit to fix it. So the next trip I added a short bungee cord to the mix, tying a single knot to get the tension I wanted. This applies enough vertical tension to keep the angle clamps "biting down" on the the face of the mirror. With that small modification it is flawless now.



by:

I bought this to replace an older version of the same mirror with a different mounting system which has a lot of vibration. These are vibration free, and the shipping was very fast.



by:

These mirror are the best i have tested so far. I used them on my 08 Equinox to have a better view when pulling my popup camper.

The installation is made within 5 minutes and you get a very good sight of your towing vehicule and around. They dont suffer from any kind of vibration even in high winds and they hold very well.
The only cons that i have is that with my vehicule the added mirrors interfered slightly with the factory mirror so i cannot move them as freely as normaly but its no a big deal.

For the price you cannot find any better mirror on the market.



by:

I've compared these KS3891 clip-ons with at least one of the snap-on variety (KS81600), and found this clip-on product with larger mirrors, that can adjust tall or wide, offers a significantly broader view on both sides of the vehicle, which is the most important peforrmance aspect for me.

However, there are installation and fit issues with my 1999 Ford Expedition Eddie Bauer Series with contoured mirrors.

- The passenger side mirror housing of the Ford has a slightly different shape than the driver side, causing the lower left KS3891 clamp to not fit snug to my passenger side mirror. See photos attached. While the driver side KS3891 fits tightly and parallel to my truck mirror, without movement, the left side is prone to a bit more slippage and doesn't feel as secure. The round contour of my mirrors may pose further problems given the front clamp is not fully engaged on the passenger side. I'm confident the driver side is secure, but the passenger side... will it stay on? Time will tell.

- The KS3891 front clamps are thick, and make contact with the Ford mirror glass, impeding my ability to fully adjust my Ford mirrors in certain directions.

- As others have noted, the upper ratchet straps are plastic (only the lower straps are rubber). Since I have to really ratchet these tightly on my rounded mirrors, seems clear to me that these will wear out sooner than later.

- The upper straps make contact with the upper Ford mirror housing - see photo - and would certainly start leaving their mark if not protected. I added felt tabs to address this - a simple fix.

- These never go on in exactly the same position, and are more clunky than the stylish snap-on KS81600, but ultimately, the KS3891s seem to provide the best, broadest view on both sides of the vehicle, so I'm going to stick with them, and hope they stay on securely and without vibration, especially on the passenger side.



by:

I had my doubts about these mirrors when I purchased them, however after about a year and over 10,000 miles, they have work just great!!! They are exactly what I was looking for, they stay put and do not wiggle around. I would recommend these mirrors for anyone looking to purchase strap on trailer mirrors.

Kpapa

6/16/2021

So far, so good. The only complaint I might mention is the the straps should be permanently attached to the mirrors. They have a tendency to come off while you are putting the mirrors on. Other than that, they work well!!!



by:

After 1 year and 4 trips of 5+ hours driving, I have absolutely no issues with these mirrors. They stay secure at highway speeds, even through heavy downpours. Just a tiny vibration but still a clear view down my 8 ft wide trailer and adjacent lanes. I like that the mirrors rotate. I have found the vertical orientation for drivers side and horizontal for passenger gives me the best views on my Chevy Colorado. Recommended to my neighbor for his vehicle.



by:

Great product, for our 2015 M.B. ML Bluetec 250. The adjustable latches are easy to adjust and the rubber mounts hold them securely in place at highway speeds. Easy on and easy off.
One came loose when I didn't tighten the latches enough and survived a fall at 35 MPH with only minor scratches.
Gives good visibility around our 1966 Airstream trailer for passing and changing lanes.



by:

Super easy to install. Adjustable fittings work perfectly on my 2007 Expedition.

Rodney

4/20/2014

Very good fit for our 2014 Chevy Traverse.



by:

I installed K-Source mirror onto my Toyota FJ Cruiser factory mirrors and I am very pleased with the fit. I suggest that you place the locking straps in a diagonal pattern for the best results. The factory mirror has a fog light on it that you will have to work with. That’s why the diagonal pattern for straps are suggested.



by:

2012 Toyota Tacoma Crew Cab- These mirrors are PERFECT for seeing down both sides of our MicroLite 21FBRS. I little trial and error during the initial fitting. After that, No Movement and these mirrors perform FLAWLESSLY! Highly Recommended!!



by:

All the items I have purchased from etrailer have been tip quality. Delivery has been very expedient!!
My go to when I need parts!!



by:

I like these mirrors and they work well for my Ford Escape that has odd shaped mirrors but my one concern is the straps that keep them attached. They have a poor design and 3 out of 4 loops to keep the straps together are missing so I've had to use electrical ties and now I have no fear of losing my mirrors as I travel. Have attached a picture to show what i had to do to make them safe for travelling. I actually did thois on all four areas and now have no concerns. This design needs to be improved on!!



by:

I have used the K-Source Towing Mirrors on my 2015 Toyota Tacoma with great success for 3900 miles towing out little Scamp travel trailer.



by:

It’s not as good as a stock towing mirror, but for a universal, it works great. Installation was easy and it looks like it will stay on good.


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