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Fender Guard Mud Flaps - Black ThermoFlex - 12" Wide x 37" Tall - Qty 2
Buyers Products

Fender Guard Mud Flaps - Black ThermoFlex - 12" Wide x 37" Tall - Qty 2

Part Number: 337B1237PPB
In Stock
$22.81
Retail:$49.09
You Save: 54%
Mud Flaps
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Stylish mud flaps contour around your wheel wells to provide protection for your fenders from road debris. Polymer construction is more rigid and less likely to sail than rubber splash guards, but still flexible and forgiving. Fastest Shipping and Great prices for Fender Guard Mud Flaps - Black ThermoFlex - 12" Wide x 37" Tall - Qty 2. Read our customer reviews of Buyers Products mud flaps. Call 1-800-940-8924 for expert service or order your mud flaps part number 337B1237PPB by Buyers Products online at etrailer.com.
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  • Reviews (158)
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  • Videos (2)
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Buyers Products Mud Flaps - 337B1237PPB

  • 12 Inch Wide
  • Universal Fit
  • Buyers Products
  • Single
  • Plastic

Stylish mud flaps contour around your wheel wells to provide protection for your fenders from road debris. Polymer construction is more rigid and less likely to sail than rubber splash guards, but still flexible and forgiving.


Features:

  • Mud flaps shield your vehicle, towed cargo, and other cars from rocks, grime, and road debris
    • Protects your boat, car, snowmobile, ATV, 5th-wheel trailer, or other towed gear
    • Creates a barrier between your tires and wheel well to prevent mud, salt, and snow buildup
    • Contours around your wheel well to provide more protection for your fenders
  • Thermoflex is a durable polymer (hard plastic) that is highly flexible
    • Won't break in strong winds or subfreezing temperatures
    • Won't sail or flap like rubber material
  • Black color helps hides dirt
  • Bolt-on installation - hardware not included
  • Made in the USA


Specs:

  • Quantity: 2 mud flaps
  • Flap dimensions: 12" wide x 37" tall x 1/8" thick


Fender Guard Mud Flaps

These truck or trailer mud flaps are constructed of Thermoflex, a hard plastic that is both durable and flexible. The material is more rigid than rubber so the flaps won't sail in the wind, yet they can still bend without breaking should they hit something on the road. The sturdy construction can also withstand subfreezing temperatures, so these flaps won't get brittle when the rain turns to snow and ice.



B1237PPB Buyers Products Thermo Flex Fender Guard Black Splash Guards - 12 Inch Wide x 37 Inch Tall





Video of Fender Guard Mud Flaps - Black ThermoFlex - 12" Wide x 37" Tall - Qty 2
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Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.




Video Transcript for Fender Guard Mud Flaps Review

Hi everyone. Aiden here at etrailer. Today, we're gonna be taking a look at the line of Fender Guard Mud Flaps from Buyer's Products. Now these are gonna be a semi universal mud flap, that can mount up however you see fit. It doesn't come with hardware or sort of a custom fit, so you'll kind of have to find a place for it. But, it comes in pairs, and gives you a quick and easy way to get a mud flap on your vehicle.

Let's check it out. Now I say semi-universal because there's other sizes of these that will vary in width and height. So on our Tacoma today, this is the size that's fit for it, but I could easily take this pair to a number of other vehicles, and it would line up well enough that we could make it work. So what you can do is plug your vehicle information into our fit guide, and it should pull up the one that has the right dimensions for you. Or you can just look on our website and pick the right one for your vehicle if it's not in our fit guide.

Now, whichever size you go with, it's gonna be constructed of a polymer, a thermal flex material is what they call it. And really what that translates to is a hard plastic. Compared to rubber, it's not going to be as flexible, which means going down the highway, it's not gonna catch all that wind, and maybe coming into contact with something like our exhaust, where it would cause some interference, but it's also going to be flexible enough that if it did come into contact with something, it's not gonna just snap it off because it's hard and brittle. So I think it's a nice, happy medium in material, and whenever you're going to mount it up, it's easy enough to drill some holes through it to make your mounting locations. And speaking of mounting locations, here's what it might look like back here, where you just utilize some factory screws that are already probably in the fender liner of your vehicle.

Just back them out. And then with the holes empty, you can mark out your drilling locations on the mud flap itself, and just run the screws back in. It's a pretty straightforward process, and allows you to mount this up however you see fit. And just remember that if you want it for the whole vehicle, you'll have to get two pairs, because they are sold in pairs. Now for me, I think these are really nice option, not necessarily for the fit.

Custom fit's always gonna be better, but they're gonna be a lot more inexpensive. So if you wanna pick 'em up to outfit the entire vehicle, it's gonna be a lot easier to, something that I'd be more comfortable doing. And, if they get damaged, who cares. You can replace 'em pretty easily. And at the end of the day, it's all doing the same thing. I think these look really nice, and it's gonna be protecting your vehicle from rocks and dirt and debris getting kicked up and making contact with the paint. So, at the end of the day, if it's getting the functional need done, and you like how it looks, then I think it's gonna be a good fit for you. But this has just been our look at the line of Fender Guard Mud Flaps flats from Buyer's Products. Thanks for watching.

Customer Satisfaction Score:

Ratings & Reviews

4.7

158 reviews
5 Stars
(129)
4 Stars
(19)
3 Stars
(4)
2 Stars
(2)
1 Star
(4)
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by:
Exactly as advertised! A thick piece of rubber to stop the rocks from flying up on the truck! I was able to hear them up to shape them around the fener well to provide more tire clearance as well.
by:
Appear to be good quality, but only time will tell. They have plenty of length, just with they we4 a touch wider. Overall excellent value.
by:
Look and work great
by:
just what I needed
by:
Friendly staff, product took longer than expected to arrive but when it did come they were exactly what I was looking for. Great product easy installation.
by:
I put these on my side by side, fits perfectly
by:
Shipping time great overhaul looks like a good product
by:
They fit perfectly it's what I've been looking for and price is fantastic
by:
These fender guards have exceeded my expectations. They were easy to cut to my exact specifications and added a highly effective solution to my truck while maintaining a low/minimal profile to the overall appearance, which is exactly what I wanted.
They still look great and are performing as expected. Definitely recommend.
2020 Nissan Armada. Custom mud guards.
by:
Good product Great service
by:
Not happy with the shipping box, all items had a bend and slight twist to fit in the small box. Trying to get them bent back to flat and they are not wanting to bend.
Gwendolyn Y. profile picture
Etrailer Expert

Gwendolyn Y.

2/12/2026

Dang, I'm really sorry to hear the mud flaps arrived like that. Depending on where your at, if you happen to have a warm sunny day coming up you can lay them out in the sun to help flatten them out. If not, you can use a heat gun or a hair dryer to warm up the ThermoFlex material. Once flat, putting some cold water on it to cool it off fast will help keep its shape better.

by:
Easy to install and has ample coverage.
by:
Fabulous, clean van, easy install
by:
I have been putting these 37" x 12' splash guards on my vans for many years.
they keep stones, salt splash, and debris from eroding the bottom of the rockers, and from getting into the wheel wells, thus keeping the vehicles looking new long after the same vehicle without using them.
by:
These flaps work great on my 24’ Ram 3500
by:
Very nice mud flaps for a custom install
by:
They are easy to install, they last a long time
by:
Great product, very fairly priced. Delivery was quick and communication from etrailer was very good.
by:
Fast shipping and product fits perfect!
by:
Work great for the money. Kind of Thin but they work.
by:
This product worked well for me.
by:
You know, I haven't even received my item yet. I don't even care if I like it or not. It wasn’t but an hour or two after I paid for my item it was in the mail. What great costumer service. Thanks so much!
by:
They worked great
by:
by:
AAA++++
25
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See what our Experts say about this Buyers Products Mud Flaps

  • How Can I Get Better Rock Protection From My Rock Tamers?
    Hello Randall, Thanks for writing in. I am sorry to hear you ended up with chips on your trailer after that first trip. You will want to make sure your Rock Tamers # ERT00108 are adjusted with the boat and trailer hooked up to your Tundra. Rock Tamers recommends having the bottom of the flaps about 3" to 4" off the ground. You can rotate the support arms to adjust the height and also adjust the width to get the best coverage behind your tires. I see you have since added the Rock Screen...
    view full answer...

Info for this part was:

Employee Lindsey S
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Lindsey S
Employee Kathleen M
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Employee Dustin K
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Employee Mark S
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Employee Aidan B
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