1. Hitch Anti-Rattle
  2. Blue Ox
  3. Fits 2 Inch Hitch
  4. Fits 2-1/2 Inch Hitch
  5. Accessory Anti-Rattle
  6. Towing Anti-Rattle
Blue Ox Hitch Receiver Immobilizer III for 2-1/2" Hitch with 2" Adapter

Blue Ox Hitch Receiver Immobilizer III for 2-1/2" Hitch with 2" Adapter

Item # BX88312
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Hitch Anti-Rattle
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Hitch Anti-Rattle BX88312 - Sleeve Style - Blue Ox
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Tighten up your connection. This hitch receiver immobilizer keeps your 2" hitch adapter or reducer from rattling and shifting while you're on the road. Call 800-298-1624 to order Blue Ox hitch anti-rattle part number BX88312 or order online at etrailer.com. Free expert support on all Blue Ox products. Guaranteed Lowest Price and Fastest Shipping for Blue Ox Hitch Receiver Immobilizer III for 2-1/2" Hitch with 2" Adapter. Hitch Anti-Rattle reviews from real customers.
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  • Reviews (36)
  • Q & A (24)
  • Videos (2)
  • Photos
  • Why etrailer?

Blue Ox Hitch Anti-Rattle - BX88312

  • Fits 2 Inch Hitch
  • Fits 2-1/2 Inch Hitch
  • Accessory Anti-Rattle
  • Towing Anti-Rattle
  • Standard Anti-Rattle
  • Sleeve Style
  • Blue Ox
  • Universal

Tighten up your connection. This hitch receiver immobilizer keeps your 2" hitch adapter or reducer from rattling and shifting while you're on the road.


Features:

  • Keeps your 2" hitch adapter stable and secure inside your 2-1/2" hitch receiver
    • Helps to eliminate rattle and sway within the receiver
    • Stiffens and reinforces receiver
  • Mounts quickly and easily
  • Installs around collar of 2-1/2" hitch and shank of 2" hitch adapter
  • Includes bracket, U-bolts, and nuts
  • Made in the USA


Specs:

  • Inner dimensions: 2" long x 2" wide
  • Overall inside bracket dimensions: 4" tall x 4" wide
  • 1-Year warranty


Dimension of Anti-Rattle

BX88312 Blue Ox Hitch Receiver Immobilizer for 2-1/2" Hitch with 2" Adapter Shank

Installation Details BX88312 Installation instructions



Video of Blue Ox Hitch Receiver Immobilizer III for 2-1/2" Hitch with 2" Adapter

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




Video Transcript for Blue Ox Hitch Receiver Immobilizer II Review

Randy: Hey guys, Randy here at etrailer.com. Today we're going to be taking a look at the Blue Ox line of hitch immobilizers. Now, these work out great in a lot of situations. Any time you're using an accessory in a receiver tube opening and it doesn't have an anti-rattle device on it, basically you get a lot of movement. Especially with cargo carriers, we get a lot of side to side movement, that weight transferring back and forth.Now before we get to the installation process, let's take a look at some of the test course footage before and after. Essentially, before we get this installed, you're going to see this cargo carrier move side to side quite a bit.

We've got it loaded down with about 120 pounds. That's when we're doing the slalom. As we go over the bumps, you'll see this back end tip up quite a bit. Now, the cargo carrier's going to have a little bit of that anyway, but we're eliminating all of that from the shank, so it keeps everything much more stable.Now you'll see in the after-footage, all that side to side movement is completely eliminated. Once we get into the bumps, you can see there's still a little bit there from the actual cargo carrier tolerance, but we've got nothing coming from the hitch.Now regardless of whether you're using a 2" hitch or 2-1/2" hitch, or what we've got installed here going from a 2-1/2" hitch with an adapter to a 2" accessory, they're all going to work the same way.

This part with the key stock comes in on the backside. Then this U-bolt you can see, as we tighten that down, it pulls down on the accessory. This U-bolt pulls over. That's going to lock it right into the side of our receiver tube opening. Especially when we're using adapters like this, there's so much slop in that system, everything moves side to side.

You can see it's nice, heavy duty steel construction with a black powder coat finish. Blue Ox always makes good products. Then we've got the zinc-coated U-bolts. They use locking Whiz nuts here. As we get everything tightened down, we really don't have to worry about it coming back apart.

Just does a great job in getting that set. The 2" by 2" version looks identical. This is the 2-1/2 by 2-1/2. Basically, it just takes all that discomfort and all that play and that movement out of the equation so you don't have to deal with it anymore.Now another option's the Roadmaster Quiet Hitch. This one, where the Blue Ox doesn't have an 1-1/4" fit, does have an 1-1/4" fit. Has a 2" and a 2-1/2" fit. Basically, this one, this loop goes down around the hitch. This bar is going to come down and press down on the item. Now I like this one quite a bit. On really heavy loads, on your really heavy trailers, or in really heavy flat tow setups, maybe you're hauling a 1500 4x4 Ram, it gets pretty heavy. This one only eliminates the up and down. It eliminates most of the side to side, but as items get really heavy, there is still a little bit of transfer or a little bit of motion side to side. I really like the Quiet Hitch. I think it does a great job. But for total containment, I think the Blue Ox is just a little bit better.Now for all of immobilizers, the installation process is going to be the same. This is the one that fits the 2-1/2" hitch down to a 2" product or 2" accessory. You've got the small lips here. It's going to sit in behind the lip of our hitch. We want to bring it right out to the edge of it. We've got a U-bolt that's going to go in this way. Place our nuts on there. Then we've got our U-bolt that's going to come in from the top. Same thing, throw our nuts on there. Now we want to grab a 9/16" socket and we're going to start tightening these down.It's going to help to pull over on the shank and also pull down on the shank just to help us ensure that we got a great hold on them. Now we're going to grab our torque wrench, want to get all four of those torqued down.As you guys can see, this takes care of a very common problem that we have. I really like this one. I like that it has the total containment on both sides. Really helps to eliminate that movement we experience. I think if you're having that issue or if you've got heavier items that you're loading up and you can feel that transfer, I think it's a great idea to pick one up.


Customer Reviews

Blue Ox Hitch Receiver Immobilizer III for 2-1/2" Hitch with 2" Adapter - BX88312

Average Customer Rating:  4.6 out of 5 stars   (36 Customer Reviews)

Tighten up your connection. This hitch receiver immobilizer keeps your 2" hitch adapter or reducer from rattling and shifting while you're on the road.

- BX88312
by:

Easy to install, and Blue Ox was there to answer my questions, because I have an unusual setup. Pulling my Airstream trailer with a Blue Ox hitch had a little play that was noticeable when breaking. This product was recommended by a friend, so I decided to try it out. More to come as I go down the road.



- BX88312
by:

Extremely happy with this device. It has solved all of my loose hitch issues.



- BX88312
by:

The hitch did not work well in fact one of the welds was bent when I got it and pretty much broke on the first use.



- BX88312
by:

Great product! If I would have known earlier about this item I would have purchased it earlier. Stiffens my tow bar. I have two of these on my Blue Ox Aventia tow bar, one at the received on the hitch and one on the tow bar itself where it attaches to the riser. Highly recommend this item


Comments
Well on one of the hitch tightners the welds broke on the little tabs. So my review seems to have been somewhat premature. Not very good quality control, good idea if it worked properly.
David - 03/01/2019



- BX88312
by:

Ordered this product to stop hitch rattle while towing a Ford F350srw behind a motor home. Product arrived on time and in good condition. Easy to install but did not work. On the first use, the anti-rattle steel bracket bent. This product could not handle the weight of the F350srw. Wasted my money.



- BX88312
by:

Great product, keeps my bike rack from jumping around on my truck and on the back of my travel trailer and also keeps my travel trailer hitch from moving too much due to the 2" hitch in a 2 1/2" receiver with reducer.



- BX88312
by:

Needed alot of modification to mount it. Needed to notch a big chunk out of the bend.. The safety loops on either side of the receiver interfere with the mounting of this device without modification. 2016 dodge ram 2500



- BX88312
by:

Did the trick stopped the looseness.


Comments
great just went 1200 miles it using it now
gary w - 06/21/2021


- BX88312
by:

Works perfectly, no play in connection.



- BX88312
by:

I gave the product 5 stars because it appears to be a solid, well built product. However, I will be returning it because it WILL NOT fit a Ram 2500 class V hitch with 2" adapter. First of all the plate is too short to clamp over the lip of the receiver and allow enough room for both of the U bolts to slide over a 2" accessory. And second, the safety chain mounts get in the way of the plate being able to slide all the way over the hitch. It just needs to be redesigned to fit all models of vehicles with class V hitches. Until then, I will keep looking for the right solution.



- BX88312
by:

It stabilized the hitch. Wish it was made out of a little stronger materials, not sure how it will handle a heavy load. Haven't use it yet in towing.



- BX88312
by:

Perfect. Exactly what I needed for my rack



- BX88312
by:

I haven’t installed accessories yet but am very pleased with staff that assisted me in choosing them. I look forward to doing business with your great staff.



- BX88312
by:

I realize that they cannot make this item custom for every application, so I had to made a couple of mods to work on my 2015 Chevy 2500HD. Having said this, this Immobilizer does the job well. Would recommend it over other products like it.



- BX88312
by:

These immobilizers are the best. Nothing else like it on the market and they work wonderfully.



- BX88312
by:

Product is easy to use and definitely h eavy-duty!


Comments
Still works great after a full year of use. I have had no issues with the U bolt threads stripping. Still nice and tight!
Mark K - 07/27/2017



- BX88312
by:

I use this for my mountain bike hitch rack. When you have a 8k mountain bike I wanted to make sure my bike would be as secure as possible. This blue ox hitch adapter gives me peace of mind while traveling long road trips or of terrain roads. I would highly recommend this product.



- BX88312
by:

I have always had nothing but the best service with e-trailer. They bar far have always exceeded many other retailers hands down.



- BX88312
by:

It doesn't loosen. No more clunk. Throwing away old clamp.



- BX88312
by:

Works like you think it would and holds everything tight. If you leave them on all the time they start rusting pretty fast FYI. But they work good, I have 2 of them.



- BX88312
by:

Works for my GMC 2500. No more side to side movement of my toy hauler!



- BX88312
by:

Great product. Keeps my hitch from rattling. Love it


Comments
Use it often & works as well now as new
Doyle - 01/17/2019



- BX88312
by:

Haven't used it yet. Came in yesterday. We will see how it works, the Blue Ox probably needs to be re-designed. On the 2016 Ram 2500 with the 2 1/2" receiver and 2" adapter it comes with, you can only use one of the u-bolts on it, there is no clearance or room to install the u-bolt that is closes to the receiver hitch. It seemed to tighten everything down and no play in the tow bar, but not sure if the single u-bolt will hold up towing a trailer when I take it out. The locking device needs about another inch or so in width to use both u-bolts.



- BX88312
by:

Nice product, came quickly which is usually the case for etrailer. Well run company



- BX88312
by:

Quick to ship and a great product. Works really well to stop the slop and rattle.


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Info for this part was:

Employee Lindsey S
Edited by:
Lindsey S
Employee Jameson C
Expert Research:
Jameson C
Employee Dustin K
Video Edited:
Dustin K
Employee Cole B
Installed by:
Cole B
Employee Randy B
Installed by:
Randy B
Employee Shelly K
Written by:
Shelly K
Employee Jonathan Y
Video by:
Jonathan Y
Employee Hannah L
Updated by:
Hannah L

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