Most Popular Redline for 2006 Toyota 4Runner

My manufactured trailer did not have this type with a grease fitting. They wore out the bushing in no time. I really like the design and ability to lubricate the bushing.

I bought a set of these bolts to replace the hardware in the triple axle suspension of my toyhauler. I had read about the benefits of a wet bolt kit, and after finding two broken shackle plates on my camper, decided I too needed to be able to properly lubricate the moving parts. These were a perfect fit and replacement for my original bolts. At the time I installed them I hadn't read about orienting the hole in the bolt to the 3 or 9 o'clock to ease pumping grease through them. I put them in at whatever orientation they were in my hand, but had no problem pushing 3 - 4 pumps of chassis grease through the zerk. I was able to observe grease flow out of the spring eyes around every bolt, and all of the zerk fittings stayed firmly in place when I wrestled the grease gun nozzle on and off. There were a few bad reviews about these press on fittings falling out, but I didn't see any evidence of that. I am very pleased with this purchase, and enjoy the peace of mind that comes with knowing I can properly service my suspension and hopefully extend the life of all the components in the system.

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This is a great kit! It included everything we needed to replace the old, worn-out brackets on our 6'x10' trailer. The directions were helpful and the brackets and hardware are nice and solid. We've had zero issues with the leaf springs (purchased on etrailer.com, also) or the brackets. Would definitely recommend!

Excellent, had everything I needed and more for my trailer. Everything fit well!

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Had a leaf spring break on my off-road trailer in Mexico. Left it at a boat yard until I received the parts from trailer & returned to replace. Only took 2 hrs to replace both leafsprinhs, shackles, bolts etc. And we were back on the road.

Worked great fit was good. I did not use standard nuts furnished but used Nylon lock nuts instead.

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This is an excellent product, but I gave it four stars because it was nearly impossible to install with ordinary tools. It was necessary to force the serrated portion into the center hanger and since I did not have access to power to run a compressor and force it into the hole using excess torque via an air wrench, I had to use a hammer to drive the serrated end into the hanger. I found an install video from etrailer that showed how the installation was to be done, but I could not accomplish it that way. Besides the amount of torque needed would probably have twisted the bolt off at the grease hole. As it was, I drove the part in with a 3# hammer after destroying ordinary white wood blocks of wood. I removed the grease zerk and used another piece of flat iron to protect the zerk's threads. I was able to bottom the head against the hanger by tightening the nut as much as I could by hand and then hitting the head with the hammer a few times, tighten again, etc., until it was completely in place. This method was used on both sides of the trailer. To torque these into position with an ordinary wrench would have exceeded 1000 lbft of torque which I am not sure that these bolts would take without damaging them more than the hammering did. To be fair, the information suggested that the hangers be replaced, but that was because many times the hangers are damaged if the other parts wore out. But it is fairly clear that the holes in the hangers are not pre-formed with matching serrations so I doubt that it would have changed the issue. In short, I don't believe that the serrated portion is necessary. And if it is, then a keying method would be more appropriate, such as a square hole.

Other than cotter pin is way too small and had to add a couple washers so castle nut reached keeper hole a great product at a good price.

I'm working on a 12 ft long 1957 Corvette trailer. Easy install, and perfect fit. I dropped the axle to gain 3".

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I purchased these U bolts to upgrade the suspension on my trailer. I would get a a lot of trailer sway when I was towing my jet ski trailer. I bought the trailer used and never really looked at the springs. Unfortunately for me, There was nothing but one U bolt strapped diagonally across the spring. I'm no suspension expert but I knew this could NOT be safe. I did extensive research on trailer suspension. It was difficult to find parts for a 11/2 inch square axle. It was until I came across etrailer webpage. They had everything I required to upgrade and make my trailer safe to operate on the road. It was actually criminal what the person did to attach the original spring. I am greatful nothing ever happened while towing. Now with the new parts installed, I feel a lot better and my trailer does not sway anymore. I will definitely purchase my trailer needs from etrailer from now on. The pictures and videos make finding what I needed so much easier. The complete transaction from order to delivery was extremely efficient and the customer service is absolutely outstanding.

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Nice quality and length to replace on tent trailer square axle u bolt

I looked all over for a u-bolt to replace one that broke on my 70's era horse trailer. I was about to give up when I found an exact match on etrailer.com. These shipped fast, were packaged well, and are just what I needed!

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Worked as expected, happy customer

I used the lower shock mounting plates with the u bolts that certain with springs and the top bracket already welded to the trailer. Ended up with some extra parts. Can I send them back for credit? Needed two more shackle bolts. Overall well pleased. Thanks Bob

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I ordered the ubolt kit for 2” square axle when i bought my new leaf springs. My old ubolts were 5 1/2”, the new ubolts were only 4 1/2”. Not long enough to use lock washer and thread bolt sufficiently. I had to order longer ubolts to make it work, only to find out 2 things. 1- the new longer ubolts do not include washers or nuts. 2- the 4 1/2” ubolts were fine thread while the new 5 1/4” are coarse thread, so i had to make the 6 mile trip to home depot to buy new coarse thread nuts. Why do you suggest a ubolt kit that doesn’t work with a 2” square axle and a 4 layer leaf spring

Product was adequate for my needs. Expected delivery was Thursday. ???? 2 1 1/2 mile trips on foot to the mailbox 2 days later and it arrived late today. Won’t be ordering items from you again. Your choice of transportation is horrible. UPS item will be delivered as scheduled. Saved a buck on the first shipment. Lost a customer! Pass this on to the idiot that decided to save a buck. Good bye!

After replacing the tandem axles on our Forest River trailer, I didn’t use these u-bolts as the original u-bolts were larger in size.

Good steel easy weld. The holes line up great

Arrived quickly and was as pictured. Correct application and welded nicely. Trailer is successfully back in operation now for about 9 months.

Worked and fit perfect. Thanks

Quick delivery and excellent customer service (with follow-up emails to ensure that everything was ok with the order). This replaced a broken bolt on a 1956 camper trailer, and it's a very close match to the original.

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I ordered and paid 2 day shipping from etrailer, I was told the items were in stock. I placed the order on Thursday. I received 1/2 the order. etrailer decided to wait until Monday to ship the other 1/2 and said that 2 day from is from when we ship. They talk you into faster shipping then sit on the order then say that's 2 day shipping. I'll order elsewhere next time. etrailer are scam artist.

Fit great and easy to install. Seem to be of good quality. No complaints.