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  1. Trailer Safety Chains
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Buyers Products 3/8" x 35" Class 4 Trailer Safety Chain w/ 1 Clevis Hook - 43 Proof

Buyers Products 3/8" x 35" Class 4 Trailer Safety Chain w/ 1 Clevis Hook - 43 Proof

Item # 337BSC3835
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Trailer Safety Chains
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337BSC3835 - 15000 lbs GTW Buyers Products Trailer Safety Chains
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Required in most states, a safety chain acts as a backup if your trailer becomes disconnected from your tow vehicle. Attach the end link of this zinc-coated steel chain to your trailer, and then hook the clevis hooks to loops on your hitch. Lowest Prices for the best trailer safety chains from Buyers Products. Buyers Products 3/8" x 35" Class 4 Trailer Safety Chain w/ 1 Clevis Hook - 43 Proof part number 337BSC3835 can be ordered online at or call 800-298-1624 for expert service.
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  • Reviews (38)
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  • Videos (2)
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Buyers Products Trailer Safety Chains - 337BSC3835

  • Safety Chains
  • 15000 lbs GTW
  • Single Chain
  • 35 Inch Long
  • Standard Chains
  • Clevis Hooks
  • Towing a Trailer
  • Buyers Products

Required in most states, a safety chain acts as a backup if your trailer becomes disconnected from your tow vehicle. Attach the end link of this zinc-coated steel chain to your trailer, and then hook the clevis hooks to loops on your hitch.


  • Safety chain helps ensure safe towing
    • Provides backup connection between trailer and tow vehicle
  • 3/8" Clevis hook on the end connects to safety chain loop on your hitch
  • Zinc finish resists rust and corrosion


  • Weight capacity: 15,000 lbs
  • Overall length: 35"
  • Link diameter: 3/8"
  • Quantity: 1 chain

BSC3835 Buyers Products 3/8" x 35" Class 4 Trailer Safety Chain With 1-Clevis Style Slip Hook - 43 Proof

California residents: click here

Video of Buyers Products 3/8" x 35" Class 4 Trailer Safety Chain w/ 1 Clevis Hook - 43 Proof

Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.

Video Transcript for Review of Buyers Products Safety Chains and Cables - Safety Chains - 337BSC3835

Ellen: Hey, everyone! I'm Ellen, here at And today, we're going to be taking a look at the Buyers Products three-eighths inch by 35 inch Class Four trailer safety chain.Now, if you've ever towed anything, you'll know that you need to have come safety chains just in the event of an accidental disconnect. If something didn't get coupled down all the way, or it didn't get hooked up quite right, and it comes uncoupled while you're out on the road, your safety chains are there as a backup to make sure that your stuff can stay attached while you pull over safely to the side of the road and get everything hooked back up again.So, we want our safety chains to be up to the task. You want to get something that's going to be above and beyond what you're hauling, so that your trailer and everything that you've got loaded on it, you want to make sure that that's below what your safety chains are rated at.Now, these have a rating of 15,000 pounds for just this single setup here. Typically, you'll want to get two of these, one to go on either side, to hook into place. So, that's going to double your weight capacity.

If you're using two, you get the combined weight of both of them. So, if you get two of these chains, you get 30,000 pounds to work with. So, make sure that that's well under what you're hauling. Add everything on top of your trailer, or your camper, or whatever the case may be.Now, as far as the specs with this, it measures 35 inches long. That's going from the end of the link to the end of the chain.

If you add in the clevis hook here, it actually is about 37 inches from this inside edge to the end of the link. Just for reference there. It gives you about two inches of additional length with that clevis on the end. It has a safety clip in place to help prevent any kind of accidental disconnect from the hook part, and this is attached with a clevis pin and clip. So, if you wanted to just have the chain portion, you could always remove the clevis hook, use it for something else.

But that gives you an option there. If you ever need to switch out the chain or replace the clevis, you can disassemble them without having to worry about cutting off that chain or anything like that. Just have to bend that little clip out of the way with some pliers, tap it out, pull out the pin, and then you're good to go.Now, the chain has a three-eighths inch diameter. It is Class Four, so again, it has that weight capacity of 15,000 pounds. It's made of a carbon steel, so it should last for a long time.

Some of our customers have great things to say: "Even after a year of use, it's still going strong. It doesn't even look that worn."Our clevis hook, just for some measurements here, overall, from the widest point, it's about three and three-quarters inches wide. Going from the top there to the end of where our pin attached, so the longest point on our clevis hook, it's about five and a quarter inches. The opening inside, or the throat of that hook, it's about one and a quarter inches at the narrowest portion. And then the thickness of the hook, at the widest portion, is about one and a quarter as well.The carbon steel does have a zinc finish. So, that's what's going to help to keep that nice chrome look for a long time. It should work out well as a safety chain on just about any trailer out there, as long as, again, you're meeting that weight capacity that you need.And that's going to do it for our look at the Buyers Products three-eighths inch by 35 inch Class Four trailer safety chain.

Customer Reviews

Buyers Products 3/8" x 35" Class 4 Trailer Safety Chain w/ 1 Clevis Hook - 43 Proof - 337BSC3835

Average Customer Rating:  4.8 out of 5 stars   (38 Customer Reviews)

Required in most states, a safety chain acts as a backup if your trailer becomes disconnected from your tow vehicle. Attach the end link of this zinc-coated steel chain to your trailer, and then hook the clevis hooks to loops on your hitch.

- 337BSC3835

The description is WRONG. In one location it states ONE chain, and in another location states TWO CHAINS. I chatted with someone on the site to ask if it was one or two and was told TWO chains for the price listed. I received ONE chain. I’m pretty sure it’s not legal to drive with only one chain…??

I will have our customer service team reach out to you. I have confirmed that this is just one chain so you would need to purchase two chains. We do have a set of chains available as part # 49150
Tow Ready Safety Chain Kit with Clevis Hooks - 44" Long - 16,000 lbs - Qty 2
-- Etrailer Expert Jenny N - 02/09/2022

- 337BSC3835

Real heavy duty just as I ordered perfect fit for my trailer

Still in great shape even after a year of abuse and hard work
James - 03/04/2022

- 337BSC3835

This is just the tail-end of an all-around superlative buying experience with etrailer. Two days before I was due to pick up a heavy trailer load with my Silverado Duramax I discovered that my “heavy duty” hitch was cracked in two places. After checking around, my mechanic found the etrailer website, which steered him to a real heavy-duty hitch perfect for my truck, overnighted it, and recommended the correct safety chains and hooks for the new hitch set-up. etrailer averted a potential tragedy. Great products, exceptional service, and fair prices.

- 337BSC3835

I ordered a number of items for a trailer that I am bringing back to life after leaving is stand at the beach for nearly 12 years. I got great advice on what parts I needed to match the original Haulmark lights and license plate bracket/light and also ordered a new breakaway system and safety chains. Everything was priced reasonably, shipped in a timely fashion and was a cinch to install as it all fit right to the original footprints. I also found answers to my questions on some electrical issues by browsing the Q&A sections here. Happy customer.

- 337BSC3835

Replaced my chains with these and they are so much better than the original one!! Love shopping at etrailer they have everything I’m looking for!!

- 337BSC3835

Chains have held up perfect. Used everyday with no rust. Great quality.

- 337BSC3835

Chains look to be good quality and should last a long time. Easy install, only issue that turned out to be a non issue was the 1/2" quick link I purchased to attach the new chain to the trailer connection would not fit in the end link of either chain. Fortunately I needed to cut a few links off the new chains and the quick link fit just fine.

- 337BSC3835

Purchased to replace the lightweight chains someone had installed on a trailer I bought. Those chains probably wouldn't have held the empty trailer much less loaded with 6 round bales. Feel much more confident now, and they still look like new.

- 337BSC3835

Correct length that I ordered. Everything as described.

- 337BSC3835

Perfect length for using with an extended shank with my weight distribution hitch.

- 337BSC3835

My order was delivered on time, everything was right with my order and the shipment box that was used by etrailer was of a good quality box that the box did not fall apart in shipment. As for the question would I order again from etrailer , I can say to any one yes I would order again from etrailer. I would like to say to Geoffrey at etrailer thank you Geoffrey for making sure that I received my order and that I was happy with everything that I ordered. Thank you

- 337BSC3835

Good quality, chain isn't attached like in picture, it's a clevis style with a cotter pin

- 337BSC3835

Works great and simple to use

- 337BSC3835

Awesome product

- 337BSC3835

I really appreciated the email updates on my order as the parts were back ordered.

- 337BSC3835

products were just as described, fast delivery, would use them again

- 337BSC3835

Excellent chains, the material, the performance, the quality. I totally recommend them

- 337BSC3835

A little heavy duty for what I thought I was going to get but will work out perfect.

- 337BSC3835

Very high QUALITY product. Was described accurately. Said was heavy duty, and that it was. I highly recommend!

- 337BSC3835

Nice product long chain

- 337BSC3835

Will work great on theHorse Trailer.

- 337BSC3835

Good quality heavy duty chain and hook.

- 337BSC3835

Heavy duty hook and chain. Very good q uality.

- 337BSC3835

Good quality and at a great price!

- 337BSC3835

Outstandingly fast shipping. Good pri cing.

Show More Reviews

Ask the Experts about this Buyers Products Trailer Safety Chains

  • Recommendation to Replace Safety Chains After Adding Extended Ball Mount on 33 Foot Camper
    It doesn't sound like you need too much more length to accommodate the longer shank on your new ball mount so I recommend going with the Buyers Products Class 4 Safety Chain # 337BSC3835. This chain measures 35 inches long, includes a clevis style slip hook, and is sufficient for use with trailers that weigh up to 15,000 pounds. You will need to order two of these chains for your setup. I have attached a short video review that you can check out as well.
    view full answer...
  • Will Removing A Few Links From Buyers Products 3/8" x 35" Safety Chain Reduce Strength Of Chain?
    I reached out to my contact at Buyers Products, and on the Buyers Products 3/8" x 35" Class 4 Trailer Safety Chain w/ 1 Clevis Hook - 43 Proof # 337BSC3835 you were looking at removing 3-5 links would not reduce the capacity of the chain. I included a video of the # 337BSC3835 for you to take a look at.
    view full answer...
  • What Does It Mean When Chain is Described As Being 30 or 43 Proof
    Using the term 'Proof' when describing chain is a descriptor of its weight rating and its construction. A grade 30 or 30 proof chain is for a general purpose application that doesn't require a great amount of strength. A grade 30 chain will have a working load limit from 1300-6900 lbs, and is constructed of low-strength carbon steel. A grade 43 or 43 proof chain would be the next strongest grade, constructed of carbon steel with a working load limit of 2600-13000 lbs which makes it ideal...
    view full answer...
  • Safety Chains Compatible With Buyers Products Weld-On Safety Chain Retainer
    For your Buyers Products Weld-On Safety Chain Retainer # 3375471001 you will need a chain with a 3/8" diameter; you can use the 35" Buyers Products # 337BSC3835 or 42" # 337BSC3842. Both of these chains have a clevis hook and a maximum trailer weight capacity of 15,000 lbs.
    view full answer...
  • Recommended Safety Chains and Bolt Size Needed To Attach To Demco Coupler # DM16680-52
    Demco says to use 1/2" Grade 8 bolts 1-1/2" long for the safety chains on the Demco 50-Degree A-Frame Trailer Coupler # DM16680-52. I recommend the Buyers Products 3/8" x 35" Class 4 Trailer Safety Chain # 337BSC3835. You will need 2 of these as they are sold individually. The chain comes with a large clevis hook for your hitch and is zinc coated to resist corrosion.
    view full answer...
  • Safety Chains with Clevis Hooks and Quick Links for an 8,700 Pound Trailer
    How about 2 of Fulton Chain # FCHA0050324 and 2 of Safety Chain Quick Link # C82932. The chains are 42 inches long overall and rated for 18,800 pounds with a zinc coating to resist corrosion. The quick links have a break strength of 10,000 pounds. Based on what you are looking for this is going to be the best option.
    view full answer...
  • Recommended Safety Chains or Cables for 14k Horse Trailer.
    I have a solution for you, but we don't have any cables that would be sufficient capacity for a horse trailer. Instead I recommend using the Buyers Products 3/8" x 35" Class 4 Trailer Safety Chain w/ 1 Clevis Hook - 43 Proof # 337BSC3835 which have a 15000-lbs capacity and are made from a high quality carbon steel that is zinc plated to help withstand corrosion. These chains come with a clevis hook on the end so they'll be easy to connect to your tow vehicle. You would need to purchase...
    view full answer...
  • Safety Chain Solution for Trailers that Weigh 3,500 and 10,000 lbs
    For safety chains you want to go with a set that provides you with a break strength of at least what the trailer is rated for. Or you can go with a set that's priced great and easily over the capacity of both trailers like the Buyers Products chains part # 337BSC3835 which is rated for 15,000 lbs and would work great for both trailers.
    view full answer...
  • Trailer Safety Chain Connection to 2015 GMC 2500 with the 2.5" Hitch
    That is becoming a problem with more and more trucks these days. Some folks like to add the Blue Ox 1/2" Quick Link for Safety Chains part # BX229-0512 to the factory connection point to attach the safety chains to or you can add new hooks to the trailers like the Buyers Products 3/8" x 35" Class 4 Trailer Safety Chain w/ 1 Clevis Hook part # 337BSC3835 which allows you to connect to the factory connection points. For trailers under 10k the first option works once you get over it is best...
    view full answer...
  • Dimensions For Gen-Y Executive Manual Latch Shock Absorbing 5th Wheel-Gooseneck Pin Box
    I have included a image from Gen-Y that shows the dimensions for their Gen-Y Hitch Shock Absorbing 5th Wheel-Gooseneck Pin Box # 325-GH-8045. This will allow you to measure from the mounting points for your pin box to determine if you will have the length you need. Do check your weights for your specific camper that you will be installing this pin box as it is rated for 1,500-3,500lbs of tongue and a maximum trailer weight of 21,000lbs. Gen-Y Hitch Shock Absorbing 5th Wheel-Gooseneck...
    view full answer...
    Image 1 for
  • Safety Chain Weights Between Buyers Products Chains and Tow Ready
    The Buyers Products Chains part numbers # 337BSC3835 and # 337B03835SC both weigh 5 lbs and the part # TCTSCG30-730-04X1 weighs 2 lbs. For installing any of the mentioned chains we recommend using the weld on bracket # MB38 with the quick link part # C82932 on your trailer.
    view full answer...

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Info for this part was:

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