1. Fifth Wheel King Pin
  2. Lippert Components
  3. 1116
  4. Lippert
  5. Reduces Bounce and Jarring
  6. 21000 lbs GTW
Trailair Air Ride 5th Wheel Pin Box - Lippert 1116 - 21,000 lbs

Trailair Air Ride 5th Wheel Pin Box - Lippert 1116 - 21,000 lbs

Item # LC155943
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Retail:$1,700.61
Our Price: $1,025.53
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Fifth Wheel King Pin
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Shipping Weight: 155 lbs
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LC155943 - Lippert Lippert Components Fifth Wheel King Pin
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Enjoy smooth, stable towing with your fifth-wheel trailer by replacing your ordinary pin box with this air-ride-equipped model. An internal air bag and built-in strut absorb road shock so that you won't feel it. Replaces Lippert 1116 pin boxes. Call 800-298-8924 to order Lippert Components fifth wheel king pin part number LC155943 or order online at etrailer.com. Free expert support on all Lippert Components products. Guaranteed Lowest Price and Fastest Shipping for Trailair Air Ride 5th Wheel Pin Box - Lippert 1116 - 21,000 lbs. Fifth Wheel King Pin reviews from real customers.
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  • Reviews (58)
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Lippert Components Fifth Wheel King Pin - LC155943

  • 1116
  • Lippert
  • Reduces Bounce and Jarring
  • Lippert Components
  • 21000 lbs GTW
  • Pin Box Upgrade
  • Cushioned
  • Fixed Turret

Enjoy smooth, stable towing with your fifth-wheel trailer by replacing your ordinary pin box with this air-ride-equipped model. An internal air bag and built-in strut absorb road shock so that you won't feel it. Replaces Lippert 1116 pin boxes.


Features:

  • Air ride pin box replaces standard pin box on your 5th-wheel trailer to cushion your ride, improve handling, and limit strain on truck and trailer
    • Minimizes chucking
    • Eliminates bounce and jarring
  • Internal air bag absorbs road shock
    • Scissor-like motion allows pin box to compress, compensating for jarring and bounce
    • Built-in shock ensures that pin box rebounds - keeps air bag from breaking down
  • Black powder coat provides rust resistance
  • Sturdy steel construction
  • King pin connects to any 5th-wheel trailer hitch
  • Bolt-on installation with no assembly required
  • Made in the USA


Specs:

  • Designed to replace Lippert 1116 5th-wheel pin box
  • Weight capacity: 21,000 lbs
  • 1-Year limited warranty


Notes:

  • Do not use the Trailair air ride pin box with any type of gooseneck adapter.
  • Because of the size of this item, it ships via truck freight.

Getting there is half the fun, right? Not if you're being bumped, jerked, jammed, and pushed around from the chucking and road shock that occurs as you tow your fifth-wheel trailer or RV. And imagine the costly wear and tear on your trailer as it endures that rocky ride.


Put the fun back into your trip and ease the stress on your trailer by replacing your factory pin box with the Trailair air ride pin box. The internal air bag and built-in shock work together to cushion your ride, improve handling, and limit strain on both your truck and your trailer.


Air Bag Absorbs Road Shock

Lippert Trailair air ride pin box air bag and shock

Standard pin boxes without any type of shock absorption transfer road shock to your trailer, resulting in potential damage to the trailer and an overall bumpy ride. But the Trailair air ride pin box absorbs shock and cushions your ride as you pull your fifth-wheel trailer. When you encounter uneven terrain on your trip or hit a pothole on the highway, the Trailair pin box compresses vertically, similar to how a pair of scissor blades closes in on each other. This compression transfers the road shock and vibrations to the internal air bag, saving your fifth-wheel hitch, trailer, or tow vehicle frame from enduring a rocky ride.


A built-in strut, or shock, controls the Trailair's compression so that the internal air bag doesn't burst. The strut also causes the pin box to appropriately rebound without any bounce, and positions it to be ready for the next bump in the road.


Simple Setup and Installation

First, simply remove your existing Lippert 1116 pin box from your trailer. The Trailair uses the same bolts that held on your original pin box so no additional hardware is required for installation. Plus, the Trailair pin box comes out of the box ready to be put on your trailer, so no assembly is needed. Because the Trailair is quite heavy, you should put it on an elevated surface or have a friend help you support its weight during installation.


Lippert Trailair air ride pin box air intake valve and inflation indicator

The internal air bag should be inflated after the pin box has been mounted on your trailer. Using the air intake valve, inflate the air bag until the outer cylinder of the shock rises high enough to fully expose the yellow inflation indicator sticker.



155943 Lippert Components (LCI) Air Ride by Trail Air Fifth Wheel Kingpin Box for M19 Lippert 1116

Replaces UF35-946207 Ultra-Fab Air Ride Trail Air Kingpin Box






Customer Reviews

Trailair Air Ride 5th Wheel Pin Box - Lippert 1116 - 21,000 lbs - LC155943

Average Customer Rating:  4.8 out of 5 stars   (58 Customer Reviews)

Enjoy smooth, stable towing with your fifth-wheel trailer by replacing your ordinary pin box with this air-ride-equipped model. An internal air bag and built-in strut absorb road shock so that you won't feel it. Replaces Lippert 1116 pin boxes.

- LC155943
by:

So far I have not had any issues. 363843



- LC155943
by:

This 5th wheel pin works great smooth ride nothing moves in the trailer. After traveling 6000 miles last winter 579113



- LC155943
by:

Great product. Easy installation. With regular hitch, truck jarred really hard at bridge transitions. The air ride hitch took all the jarring out of the truck. Chevy 2500HD Duramax. 40’ fifth wheel. 703571



- LC155943
by:

This pin box smoothes out the ride in the truck. No more chucking. No noise at all. 697317



- LC155943
by:

Have not did a road test yet but it’s installed. Way heavier than factory. I have talked to many that have this and like it. Helps reduce chucking back and forth movement. Nothing will be solve all if you are on a rough road you will feel it. No hitch will eliminate. Was fairly easy to install you will need help to lift. I used the tailgate on the truck and backed under and used blocking to get in place. I installed pretty much myself. My wife help some with aligning the bolts. 593929



- LC155943
by:

Had problems with air leaking. Found the valve stem was not tight. Don't feel that it helped the ride characteristics very much. 327395



- LC155943
by:

This is my second trailair pin box and I just love them it takes all of the bouncing out of the truck in the camper and makes it a smooth ride. Shipping was great and product came packaged as good as possible. 846171



- LC155943
by:

I purchased this Lippert Air Ride hitch for my 40 foot Genesis Supreme trailer and wish I had bought it 2 years ago and installed it. What a difference is has made both in the trailer when towing as well as the difference in my truck while pulling it down the road. eTrailer had the best price and fast shipping. They as well helped me with verifying the right part number that works with my trailer. I purchase many parts and accessories from eTrailer and will continue to purchase from them in the future. 819685



- LC155943
by:

Excellent item! Works exactly as promised. The only issue I have, which is a small one, is that I have to pump up the doughnut before every trip because the air will leak out. Not a big deal because I have the compressor out to pump up the tires anyway. This pin box takes 98% of the chucking and side-to-side motion out of our fifth wheel. Makes for a lot less white knuckle driving, eases everyone's nerves, and we arrive at our destination without the near whiplash we used to have. If you are looking for a way to ease the ride, this is an excellent product to accomplish that goal. 711395



- LC155943
by:

Works perfect. 636159



- LC155943
by:

Best thing I ever bought for my rv 577409



- LC155943
by:

Camper rides much better .. good people at etrailer thanks 551092



- LC155943
by:

Great Product! Easy to install and the ride is Great! 503247


Comments
Perfect!
Stephen - 05/02/2019

54752

- LC155943
by:

This was the very best upgrade we have done to our 5er. If you don't have one, get one! The difference and comfort is night and day. It projects the 5er and everything inside, the truck and just makes a world of difference! Can't say enough good things about it. 2007 Montana 3000RK. 383478



- LC155943
by:

The TrailAir pin box is a good upgrade from an entry level unit. You have to learn what the ideal air pressure needs to be for your rig, ie, trial and error. The TrailAir calms the fifth wheel trailer quit a lot going over bridge entries and over rough roads. It would be nice if they would install a tee on the air inlet port with the air add fitting and an air pressure gauge so that one could see the actual bladder air pressure anytime. 320366



- LC158778
by:

Review from a similar Trailair in Fifth Wheel King Pin


I am pleased with the Trailair kingpin hitch. Just waiting for warmer weather to go camping. 614451



- LC158778
by:

Review from a similar Trailair in Fifth Wheel King Pin


I will not own another 5th wheel without this type of pin box. It absorbs the shock and improves the ride tremendously. It was recommended to me by a friend and I would do the same. Well built and worth every penny. 610437



- LC158778
by:

Review from a similar Trailair in Fifth Wheel King Pin


I love this AirRide by Trail-air. It provides an incredibly smooth ride on the road. You can adjust the amount of air for your ride, the Schrader valve is right on top of the unit and easy to access. My Trail air installed easily on my Forest River Sandpiper 372LOK mid bunk, especially with help from my Dad. This Trailair solved a big problem for me. I needed an extra couple of inches space between my 2018 Ford Super Duty DRW and the coach. My truck came with the Ford factory-installed Reese 27K hitch and I needed more clearance to allow the tailgate to drop without touching the coach. The kingpin on the Trailair sits at least 2” forward of the factory kingpin and provided that desperately needed space. It really makes for smooth and quiet ride ! etrailer folks were very helpful. The first unit was damaged by the freight company and when I notified them, etrailer sent another unit quickly. I will buy from etrailer whenever I can.. 646799


Comments
I still love the ride it provides- always smooth. Wouldn’t use a standard kingpin again. The airbags lose air over time- it’s my only complaint. Not enough to effect performance on a week-long trip but it loses air. I tightened the fill valve. Will re-tape the valve again if needed.
Bernie C - 05/26/2020

77700

- LC158778
by:

Review from a similar Trailair in Fifth Wheel King Pin


It arrived in a timely matter, was able to replace the bad one, with no modifications or problems. Has worked great with about 10k miles on it already. 611478


Comments
great, no issues, maintence free
ROBERT S - 03/14/2020

71181

- LC158778
by:

Review from a similar Trailair in Fifth Wheel King Pin


Great product to tame the 5er bucking down the highway on those concrete seams. Ride is much smoother and I'm sure it is reducing the wear going down the highway on both the trailer and the truck. 526032



- LC158778
by:

Review from a similar Trailair in Fifth Wheel King Pin


Have the Lippert Components Trailair fifth wheel king pin installed on our 40 foot Big Country has made the difference in pulling the trailer down the road. I would recommend the King Pin if pulling a fifth wheel trailer. Now we don't even know it behind us. Great Product. 468371



- LC158777
by:

Review from a similar Trailair in Fifth Wheel King Pin


There was a mix up with the order but once it got straighten out,they reshipped another one.I told them that I needed it by Friday,I don't know how but it made.it I would use this company again in the future. Thanks 160144



- LC158778
by:

Review from a similar Trailair in Fifth Wheel King Pin


Works great but doesn't hold air for more then a couple days. 539734


Comments
Your trailair should not be losing air that quickly. Changes in temperature can affect the pressure in the air bag just like it does with vehicle tires but only by a few psi. It sounds like you need a new tank valve for it part # LC156740
Replacement Pin Box Tank Valve for Lippert or UltraFab TrailAir Pin Boxes
$41.86
. I have attached a link to the replacement valve.
-- Heather A - 07/11/2018

40825

- LC179879
by:

Review from a similar Trailair in Fifth Wheel King Pin


I'm pleased with the pin box. Put it on my 5th. wheel. The airbag gives us a better ride than any other pin box. Its a great product. 526462



- LC158778
by:

Review from a similar Trailair in Fifth Wheel King Pin


Took all the transfer of trailer hunting out of tow vehicle as you travel. Also give me more turning clearance on short bed F250. 881643


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Show More Reviews

Ask the Experts about this Lippert Components Fifth Wheel King Pin

  • Cushioned Pin Box Recommendation to Replace Lippert 1116 on Raptor 5th Wheel Trailer
    We do have cushioned pin boxes that will fit and work well in place of a Lippert 1116 but the Tri-Glide was phased out a while ago and no longer available. Instead we have the Trailair Pin Box part # LC155943 which would be a great option that is cushioned and a confirmed fit.
    view full answer...
  • Trailair Air Ride Pin Box Replacement for 1116 Pin Box on 2019 Keystone Montana
    The correct Trailair Air Ride pin box to replace the 1116 on your 2019 Keystone Montana is the part # LC155943 which is rated for up to 21,000 lbs. I'm not sure where you're seeing that much of a savings because the replacement Trailair Air Ride for a 1716 is part # LC158777 and is priced pretty similarly. When I've reached out to manufacturers in the past they have said that the pin box needs to be an exact replacement and it has everything to do with the design and leverage of the...
    view full answer...
  • Pin Box Upgrade Replacement for 2019 Keystone Raptor 424 Toy Hauler
    The Trailair you have now is our part number # LC158778 which is a different fit from the # LC155943 you referenced. If you were looking to replace the pin box you have we have the upgraded Flex Air part # LC369535 with same 21k capacity but has additional cushioning over the standard Trailair. The Flex Air has a pivoting king pin plate that is cushioned so you end up with forward and back cushioning as well as up and down like the Trailair you have now.
    view full answer...
  • Is There a Trailair Flex Air 5th Wheel Pin Box To Replace a Lippert Model 1116 Pin Box
    In order to replace your Trailair Pin Box Model 1116, I recommend the Trailair Air Ride 5th Wheel Pin Box Model 1116 part # LC155943. The Trailair Flex Air 5th Wheel Pin Box Model 1621 part # LC369535 will not work. The Trailair Air Ride 5th Wheel Pin Box is the same as the Trailair Flex Air 5th Wheel Pin Box save for the pivoting head but there is not a Trailair Flex Air 5th Wheel Pin Box offered for a Model 1116.
    view full answer...
  • Measuring a Factory 5th Wheel Trailer Pin Box to Find a Replacement Air Ride Pin Box
    Trailair Air Ride 5th Wheel Pin Box # LC155943 fits in place of a Lippert 1116 pin box so if that is what is on your 2005 Montana 5th wheel trailer this air ride pin box can be used. If there is no sticker or plate on the pin box indicating the manufacturer and model number of the pin box then there are some measurements you can take to determine which pin box you have. I have included a link to a help article that explains the measurements needed.
    view full answer...
  • How to Determine the Pin Box Manufacturer and Model on a 5th Wheel Trailer
    There should be a sticker or plate on the pin box itself that lists the manufacturer and model of the pin box. If it is not present then there are some measurements you can take to determine the model of the pin box. I have included a link that explains these measurements for you. Once the pin box is identified we can determine if there is an air ride pin box that will fit.
    view full answer...
  • Difference Between Lippert 1716 and 1116 Pin Box
    Basically the biggest difference between a Lippert 1116 and a Lippert 1716 is that the 1716 extends out further than the 1116. The 1716 is considered a long pin box whereas the 1116 is considered a medium length. The length difference will be 5-3/4 inches between the two.
    view full answer...
  • Air Ride Pin Box Replacement for Lippert 1116 Pin Box
    Trailer manufacturers typically don't give out parts breakdowns of their trailers, so the only way to find which specific pin box came with your trailer is to either find the ID tag on the pin box itself, contact the trailer manufacturer with your VIN, or measure the pin box using our help article, which I've attached for you. For a Lippert 1116, I recommend the Trailair Air Ride Pin Box, # LC155943. This model has a weight capacity of 21,000 lbs, which is more than enough to handle...
    view full answer...
  • Replacing Lippert 190737599 Pin Box On Trailer With Cushioned Trailair
    I spoke with Lippert and they said it appears you have the Lippert 1116 or Lippert 1716 wing set but were not able to narrow it down any further. That said, all you need to do to determine this yourself is measure from the forward-most bolt holes to the center of the kin pin. If you get around 20" or so then you have a Lippert 1716 but if you only get around 15" or so then you have a Lippert 1116. They actually both have the same bolt pattern so you could use either really. For replacement,...
    view full answer...
  • Replacement 5th Wheel Pin Boxes for a Lippert 1116 Pin Box
    I have included a picture showing what a TriGlide pin boxed looked like. They have been discontinued though in part because they were reportedly very high maintenance. The model that you asked about, 35-946232, is designed to fit in place of a Lippert 1116 pin box. For the Lippert 1116 pin box we have TrailAir pin box # LC155943, Rota-Flex pin box # LC176440, and 5th Airborne pin box # 5AB-S500-700. All are rated for 21,000 pounds except for the Rota-Flex which is rated for 19,000 pounds....
    view full answer...
  • Using Demco Hijacker Autoslide Hitch with Lippert Trailair Air Ride Pin Box
    The Lippert Trailair Air Ride 5th Wheel Pin Box # LC155943 referenced in your question will work perfectly to replace the Lippert 1116 pin box on your trailer. The Trailair Air Ride is compatible with the Demco Hijacker AutoSlide hitches like your 18K # DM8550034 and will work with the capture plate that came included with the hitch. You will not need to purchase an additional adapter or part to make this setup work. The Air Ride will do a great job of cushioning your ride, minimizing...
    view full answer...
  • Trailair Pin Box Recommendation for 2018 Keystone Montana 3721
    Your 40 foot long 2018 Keystone Montana 3721 would have the Lippert 1116 pin box so for a Trailair to fit it you'd want the # LC155943 which is a Trailair confirmed as a fit and has a 21,000 lb capacity.
    view full answer...
  • Will Trailair Air Ride Pin Box LC155943 Fit 2015 Keystone Fuzion 345 with Lippert 1116 Pin Box
    Thank you for the photo of your Lippert pin box. You have their model 1116. I confirmed this with my contact at Lippert. The Trailair Air Ride 5th Wheel Pin Box # LC155943 that you referenced is a direct bolt-on replacement for the 1116. It comes fully-assembled. After you bolt on the Trailair you can use the arrows on the yellow stick on its front shock as a guide for inflating the internal air bag. With the loaded trailer hitched you'll inflate the air bag until the upper part of the...
    view full answer...
  • Do TrailAir Pin Boxes Require Lowering Pressure During Storage
    You wouldn't need to remove any air from a Trailair like the part # LC155943 while storing it. Just be sure to check to make sure the pressure is correct when you go to tow again. The air system of this pin box is very heavy duty and lowering the pressure would not be needed. As with most air bag support devices you want to always have at least the minimum pressure rating in the bag at all times. So no lower than 20 psi. From the picture you submitted you have a Lippert 1116 pin...
    view full answer...
  • Is Andersen Ultimate Adapter with Mor/Ryde Pin Box on Fifth Wheel Trailer
    The MOR/ryde pin box is compatible with the Andersen Ultimate Connection 5th Wheel Trailer Hitch System Adapter part # AM3200 and will not need to be changed out. Vertical chucking would be reduced with that pin box and the Andersen Ultimate. From previous customers we know that the Lippert 1116 is the style of pin box you have on your Montana High Country 345rl so for a cushioned pin box that we carry the Trailair Pin Box part # LC155943 would be our best option as we do not carry the...
    view full answer...
  • Cushioned Pin Box to Reduce Chucking on 2008 Keystone Raptor 3600RL
    The best pin box replacement we offer for your 2008 Keystone Raptor 3600RL is going to be the Trailair part # LC155943 which has two ways to cushion the ride of the trailer.
    view full answer...
  • Air Ride Pin Box Replacement for a Mor/Ryde Pin Box sp872-1621ld on a 2017 Winnebago Voyager
    It looks like the Mor/Ryde pin box on your 2017 Winnebago Voyager has the bolt pattern of the Lippert 1621 pin box. for air ride pin boxes that fit this pattern you could use 5th Airborne pin box # 5AB-E1621-610 or # 5AB-E1621-16K, Flex Air # LC328492, or TrailAir # LC158778. Out of these options the latest and greatest is the Flex Air # LC328492. I have linked videos of these pin boxes for you.
    view full answer...
  • Improving Ride Quality When Towing a 5th Wheel Trailer
    You would get the most improved ride quality by replacing the pin box on your trailer. From the pictures it looks like you have a Lippert pin box based on the sticker on the front. I would just need to know the model number. If I had to guess I would say it is a 1116 model but I could be wrong. It looks like it uses 3 rows of bolts so it is likely a 1116 pin box. Whatever it is, let me know and I can recommend some air ride pin boxes that will fit if you have a pin box model that is...
    view full answer...
  • How to Choose the Correct Trailair Pin Box for Keystone Laredo
    In order to choose the correct Trailair Pin Box for your Keystone Laredo you will need to know the manufacturer and model number of your current pin box, which should be on a sticker or stamp somewhere on the pin box itself. If you cannot find it, simply call the trailer manufacturer with your VIN and they should be able to tell you what pin box it is. You will be able to select the correct replacement from there. For example, the Trailair # LC155943 is designed to replace Lippert 1116...
    view full answer...
  • Will The Trailair Pin Box Replacing LCI 1116 Cause A Increase or Decrease in Height
    I contacted Lippert on your behalf. Your current LCI 1116 measures 17-7/16" from the bottom of pin to the top of pin box mounting. The Trailair Air Ride 5th Wheel Pin Box # LC155943 measures13-1/2 plus the pin at 3-3/8" or 16-7/8" making about 1/2" in height reduction. Included is a video review for additional information.
    view full answer...
  • Torque Recommendation for 5th Wheel Pin Box Bolts
    Pin box bolt torque is based on the size of the bolts actually. 1/2 inch Bolts GR5 90 ft-lbs 5/8 inch Bolts GR5 150 ft-lbs 3/4 inch Bolts GR5 275 ft-lbs
    view full answer...
  • Can an Air-Ride Pin Box Be Used With a Gooseneck to Fifth Wheel Hitch Adapter
    It's not recommended to use a gooseneck adapter with an air ride pin box. The air ride feature allows front to back and side to side movement to cushion shock. This movement would damage the pin box or the adapter. The Reese Goosebox would be an excellent option for you. The Goosebox is an air ride adapter that would replace your existing pin box and would allow you to hitch directly to the gooseneck ball. The Goosebox is only compatible with certain pin box models. The manufacturer...
    view full answer...
  • Width of Trailair Air Ride 5th Wheel Pin Box 155943
    The Trailair Air Ride 5th Wheel Pin Box # LC155943 measures 12-1/2 inches at the mounting plates. However, in order to find the correct replacement pin the easiest way is to know the manufacturer and model number of the pin box on your fifth wheel and match that with the correct replacement. You can often find this information on a stamp or sticker directly on the pin box itself. For example, the Trailair Air Ride 5th Wheel Pin Box # LC155943 you asked about is a replacement for a Lippert...
    view full answer...
  • What Capture Plate is Needed to Use Trailair Air Ride Pin Box with SuperGlide 5th Wheel Hitch
    If you do have the 1116 pin box then the Trailair Air Ride pin box that fits your 2018 Montana Country 331RL is the part # LC155943 which has a 21,000 lb weight capacity. You can confirm that your pin box is a 1116 by looking at the stickers or plates on them as the pin box number should be on it. At this time we don't carry PullRite products but I did contact them and found that the capture plate you would need for the Trailair Air Ride to work with your SuperGlide is the part 337758...
    view full answer...
  • Adjusting Air Bag Pressure in Trailair Air Ride 5th Wheel Pin Box LC155943
    There is not one specific recommended pressure for the air bag in the Trailair Air Ride 5th Wheel Pin Box # LC155943. The bag's pressure can range from 20 to 120 psi depending on your situation. After some miles you'll likely find the sweet spot for your trailer. Once the pin box is installed, hitch the trailer to the tow vehicle on level ground. There is a sticker on the front of the shock absorber on the pin box. You should inflate the air bag until the bottom lip of the top shroud...
    view full answer...
  • Cushioned Pin Box Recommendation for 2007 Raptor Toy Hauler with Lippert 1116 Pin Box
    Can you lower the head of your fifth wheel hitch at all? Nearly every fifth wheel hitch has an adjustable height head. Typically you have to unbolt the head and then install it in a lower set of mounting bolts. The Trailair Pin Box part # LC155943 will work as a replacement for your Lippert 1116 and has an air bag to cushion the ride quality.
    view full answer...

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Info for this part was:

Expert Research:
Mike L
Expert Research:
Michael H
Expert Research:
Jameson C
Expert Research:
Adam R
Expert Research:
Jeffrey L
Edited by:
Lindsey S
Written by:
Chelsea B
Test Fit:
Randy B
Video by:
Zach D

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