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Convoluted Air Spring

Convoluted Air Spring

Convoluted air springs are made with single, double or triple bellows and are used in a variety of applications and suspensions. These air bags are found on all types of trucks, trailers, and industrial applications. They are available with a wide variety of load capacities, ride heights and mounting top and bottom plates.

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SKU FIR9148
$97.58
Air Tank | Firestone | 3 Gallon | Three 1/4 NPT Ports

Firestone 9148 3 gallon air tank is 7 inches in diameter and 20.   Details

10 In Stock
  • Diameter:7 inches
  • Length:20.75 inches
  • Main Ports:(1) 1/4 inch
  • End Ports:(2) 1/4 inch
  • Air Tank Capacity:3.0 Gallon
  • Number of Ports:3
  • Manufacturers Part Number:9148
  • UPC: 767555099513
  • MPN: WR17609148
SKU FIR9248
$131.57
Air Tank | Firestone | 5 Gallon Long | Six 1/2 NPT, One 1/4 NPT Ports

Firestone 9248 5 gallon air tank is 7 inches in diameter and 34 inches in length and has six 1/2 N...   Details

Typically ships in 7 to 10 business days.
  • Diameter:7 inches
  • Length:34 inches
  • Main Ports:(4) 1/2 inch
  • Drain Ports:(1) 1/4 inch
  • End Ports:(2) 1/2 inch
  • Air Tank Capacity:5.0 Gallon
  • Number of Ports:7
  • Manufacturers Part Number:9248
  • UPC: 767555104958
  • MPN: WR17609248
SKU 91025
$99.78
Air Tank | Viair | 2.5 Gallon | Six 1/4 NPT Ports

This reservoir air tank has a capacity of 2.   Details

Typically ships in 2 to 3 business days.
  • Diameter:6 inches
  • Length:23.5 inches
  • Main Ports:(1) 1/4 inch
  • Drain Ports:(1) 1/4 inch
  • End Ports:(4) 1/4 inch
  • Air Tank Capacity:2.5 Gallon
  • Number of Ports:6
  • MPN: 91025
SKU FIR2496
$53.30
Air Tank | Firestone | Mounting Bracket Kit

Firestone 2496 universal air tank mounting bracket mounts to the frame of vehicle to hold your Fires...   Details

1 In Stock
  • Manufacturers Part Number:2496
  • UPC: 767555128817
  • MPN: WR17602496
SKU FIR9231
$109.61
Air Tank | Firestone | 5 Gallon | Two 3/8 NPT Ports

Firestone 9231 5 gallon air tank is 9.5 inches in diameter and 20.   Details

1 In Stock
  • Diameter:9.5 inches
  • Length:20.7 inches
  • End Ports:(2) 3/8 inch
  • Air Tank Capacity:5.0 Gallon
  • Number of Ports:2
  • Manufacturers Part Number:9231
  • UPC: 767555103074
  • MPN: WR17609231
SKU 91014
$62.33
Air Tank | Viair | 1 Gallon | Four 1/4 NPT Ports

This reservoir air tank has a capacity of 1.   Details

1 In Stock
  • Diameter:6 inches
  • Length:10.25 inches
  • Main Ports:(1) 1/4 inch
  • Drain Ports:(1) 1/4 inch
  • End Ports:(2) 1/4 inch
  • Air Tank Capacity:1.0 Gallon
  • Number of Ports:4
  • MPN: 91014
SKU FIR9126
$82.19
Air Tank | Firestone | 2 Gallon | Two 1/4 NPT Ports

Firestone 9126 2 gallon air tank is 7 inches in diameter and 14.   Details

2 In Stock
  • Diameter:7 inches
  • Length:14.5 inches
  • End Ports:(2) 1/4 inch
  • Air Tank Capacity:2.0 Gallon
  • Number of Ports:2
  • UPC: 767555033111
  • MPN: WR17609126
SKU FIR9242
$131.57
Air Tank | Firestone | 5 Gallon | Six 3/8, Three 1/4, One 1/8 NPT Ports

Firestone 9242 5 gallon air tank is 7 inches in diameter and 34 inches in length and has six 3/8 NP...   Details

1 In Stock
  • Diameter:7 inches
  • Length:34 inches
  • Main Ports:(4) 3/8 inch
  • Drain Ports:(1) 1/4 inch
  • End Ports:(2) 3/8 inch, (2) 1/4 inch, (1) 1/8 inch
  • Air Tank Capacity:5.0 Gallon
  • Number of Ports:10
  • Manufacturers Part Number:9242
  • UPC: 767555107935
  • MPN: WR17609242
SKU FIR9244
$90.98
Air Tank | Firestone | 1 Gallon | Four 1/4 NPT Ports

Firestone 9244 1 gallon air tank is 6 inches in diameter and 12 inches in length and has four 1/4 N...   Details

2 In Stock
  • Diameter:6 inches
  • Length:12 inches
  • Main Ports:(1) 1/4 inch
  • End Ports:(3) 1/4 inch
  • Air Tank Capacity:1.0 Gallon
  • Number of Ports:4
  • Manufacturers Part Number:9244
  • UPC: 767555108468
  • MPN: WR17609244
SKU WR1-760-9420
$98.81
Air Tank | Firestone | 2 Gallon | Two 1/4, One 1/8 NPT Ports

Firestone 9420 2 gallon air tank is 7 inches in diameter and 14.   Details

1 In Stock
  • Diameter:7 inches
  • Length:14-1/2 inches
  • End Ports:(2) 1/4 inch, (1) 1/8 inch
  • Air Tank Capacity:2.0 Gallon
  • Number of Ports:3
  • UPC: 767555150825
  • MPN: WR17609420
SKU 91005
$45.96
Air Tank | Viair | 1/2 Gallon | Two 1/4 NPT Ports

This reservoir air tank has a capacity of 0.   Details

Typically ships in 2 to 3 business days.
  • Diameter:6.5 inches
  • Length:6 inches
  • End Ports:(2) 1/4 inch
  • Air Tank Capacity:0.5 Gallon
  • Number of Ports:2
  • MPN: 91005
SKU 91010
$57.25
Air Tank | Viair | 1 Gallon | Two 1/4 NPT Ports

This reservoir air tank has a capacity of 1.   Details

Typically ships in 2 to 3 business days.
  • Diameter:6 inches
  • Length:10.25 inches
  • End Ports:(2) 1/4 inch
  • Air Tank Capacity:1.0 Gallon
  • Number of Ports:2
  • MPN: 91010

Convoluted Air Springs

Convoluted type air springs are visually and functionally different from a reversible sleeve type bag. They bulge outward when compressed, moving the rubber out of the way to avoid damage. With a very low compressed height and larger diameter options these bags are heavy lifters that can fit into tight spaces. Convoluted air springs come in three types; single, double, and triple convoluted.

How to Identify and Measure Convoluted Air springs

  • Single Convoluted - Have a single chamber and look like a tire laying on its side. Single Convoluted air springs will have a short range of travel and they are commonly used on applications that sit at a fixed height like a vehicle body or an air-cushioned hitch.
  • Double Convoluted – Have two chambers and look like two tires stacked on top of each other. The center of the bellows has a ring that defines the two sections and gives the bag a set location to pivot when dealing with the angular difference of the bead plates. Double convoluted air springs are commonly used on up and down bags for lift axles.
  • Triple Convoluted – Have three chambers and look like three tires stacked on top of each other. There are two rings where the bag tapers inward and the three sections of the bellows are defined. Triple convoluted air springs have the greatest amount of travel potential and the greatest tolerance for angular difference of the bead plates, these are mostly used as down bags on lift axles with large amounts of travel.

    • Video Tutorial

    Video demonstration on how to measure and identify convoluted airbags. How to Measure and identify convoluted air springs

    Where are Convoluted Air Springs Used?

    Convoluted type air springs are used primarily on lift axle suspensions as up and down bags and industrial applications where they are used to absorb vibration. Their low compressed height and tolerance for high angles make them ideal for cramped mounting locations and larger diameter options give them greater support capacities.

    Components

      Combo Stud – This is a threaded bolt with a hollow center. The outer part will accept a nut and the center accepts an air fitting to allow for the inflation and deflation of the spring.
      Standard Stud – This is a threaded bolt that is permanently installed in the bead plate. They will accept a nut.
    truck springs
      1.) Bellows – This is the rubber portion of the air spring. It is permanently crimped to the upper and lower bead plates.
      2.) Girdle hoop – This is the ring in the center of the bellows on a double and triple convoluted air spring. It pulls the rubber inward and offers added structural integrity.
      3.) Bump Stop – This is a solid rubber structure that is inside the air spring and prevents damage during full compression. The upper bead plate will rest on this when the air spring is deflated.
      4.) Tapped Hole (Blind Nut) - This will be a threaded insert that will accept a bolt. It is closed off from the interior of the bag and air will not flow through these holes.
      5.) Air Port – This is a threaded insert that is open to the interior of the spring. It will accept an air fitting and allow for the inflation and deflation of the spring.
      6.) Bead Plate - All convoluted type air springs will use a bead plate on the top and the bottom of the assembly. The bead plates are completely flat and they are crimped around the rubber of the bellows making a permanent connection. On these bead plates, there will be attachment points built in. It is important to take note of the type attachment points and the measurements between them when looking for a replacement.

    Air Bag Identification Tips

    Replacing worn out or broken air springs? Need help identifying which air springs or air bags you need for your heavy duty truck, trailer or bus suspension? Review this air spring identification guide or call 1-800-358-4751to speak to a air spring specialist.

    Convoluted Air Spring Reviews

    Out of 43 reviews, the average customer rating for Convoluted Air Spring: 4.8 out of 5.

    replaces firestone w01-358-7271 airide air bag reviewer
    Convoluted Air Spring - Firestone W013587271 Rating: 4 Stars

    good condition

    the spring was in good condition and fit correctly. i am disappointed on the live expectancy of this bag. maybe 1 to 2 years if you are lucky. vary happy while the shipping and handling from TS. thank you

    By Matthew

    Read the Review

    replaces firestone fir6397 airide air bag reviewer
    Convoluted Air Spring - Firestone W217606397 Rating: 5 Stars

    No Issues

    Have been using these for a few years without any issues, purchased a spare to have for our long back country trips.

    Read the Review

    replaces firestone w01-358-7686 airide air bag reviewer
    Convoluted Air Spring - Firestone W013587686 Rating: 5 Stars

    Accurate

    Exactly what I needed. Great price and fast shipping.

    Read the Review

    replaces firestone fir6401 airide air bag reviewer
    Convoluted Air Spring - Firestone W217606401 Rating: 5 Stars

    Hope I Don't Need To, But I Would Buy Again.

    Bought replacement air bag for one that failed. Got what I ordered/needed. It's installed and works perfectly!

    Read the Review

    replaces firestone w01-358-7180 airide air bag reviewer
    Convoluted Air Spring - Firestone W013587180 Rating: 5 Stars

    I Would Check At Truck Spring As My First Choice !!

    Easy orderin and great shipping and tracking!!

    Read the Review

    firestone air spring w01-358-7008 reviewer
    Convoluted Air Spring - Firestone W013587008 Rating: 5 Stars

    I Will Be Buying More

    This air spring was not actually used on a vehicle, it was used for a flush lane air valve system.

    Read the Review

    firestone single convoluted bus air spring w01-358-7001 reviewer
    Convoluted Air Spring - Firestone W013587001 Rating: 5 Stars

    I Will Work With Truckspring, Definitly

    I am not end user

    Read the Review

    replaces firestone w01-358-6900 airide air bag reviewer
    Convoluted Air Spring - Firestone W013586900 Rating: 5 Stars

    Good Buying Experience

    Not the final user

    Read the Review

    replaces firestone w01-358-6910 airide air bag reviewer
    Convoluted Air Spring - Firestone W013586910 Rating: 5 Stars

    Great Service

    First quality product and the service from TruckSpring was outstanding

    Read the Review

    replaces firestone w01-358-6948 airide air bag reviewer
    Convoluted Air Spring - Firestone W013586948 Rating: 5 Stars

    Very Good Product.

    Works very well. On 2003 Monaco Diplomat motor home.

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    replaces firestone w01-358-6905 airide air bag reviewer
    Convoluted Air Spring - Firestone W013586905 Rating: 5 Stars

    Excellent Service

    Needed in a hurry and they delivered!

    Read the Review

    replaces firestone fir6859 airide air bag reviewer
    Convoluted Air Spring - Firestone W217606859 Rating: 3 Stars

    If Order Is Not In Stock Let The Customer Know

    Just what I ordered fits perfectly only problem when item is not in stock you should let the customer know don't let the customers call and email you two weeks later to fine out it's not in. It took over a month to get the order and several emails and phone calls to ge...

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    replaces firestone w01-358-7145 airide air bag reviewer
    Convoluted Air Spring - Firestone W013587145 Rating: 5 Stars

    I Will Come Back

    Was a great shopping experience. Thanks for your help.

    Read the Review

    replaces firestone w01-358-7025 airide air bag reviewer
    Convoluted Air Spring - Firestone W013587025 Rating: 5 Stars

    I Would Buy Here Again

    I'm located in Mexico and I was having a hard time trying to find it. Saw yor website, looked for it, found it and problem solved. Everything was perfect! thank you!

    Read the Review

    replaces firestone w01-358-6910 airide air bag reviewer
    Convoluted Air Spring - Firestone W013586910 Rating: 5 Stars

    I Would Buy This Product Again

    xxxxx

    Read the Review

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