Convoluted Air Springs
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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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  1. Double Convoluted Air Spring
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  1. Single Convoluted Air Spring - Bus
  1. AIRTECH
  1. Automann
  1. Connect Air Springs
  1. Firestone
  1. Link Manufacturing
  1. 1/8 NPT
  1. 1/4 NPT
  1. 3/8 NPT
  1. 1/2 NPT
  1. 1/2 NPT
  1. 1/8 NPT 5/8" - 18 x .88" COMBO STUD
  1. 4.50 inches
  2. 5.31 inches
  3. 5.76 inches
  1. 6.25 inches
  2. 6.31 inches
  3. 6.31
  1. 9.00 inches
  2. 10.38 inches
  3. 11.01 inches
  1. 11.20 inches
  2. 11.31 inches
  3. 13.79 inches
  1. 15.13 inches
  2. 16.50 inches
  3. 17.75 inches
  1. 19.00 inches
  2. 25.13 inches
  1. 12.80 inches
  1. 6.40 inches
  1. 6.60 inches
  1. 7.52 inches
  1. 8.60 inches
  1. 4.50 inches
  2. 5.31 inches
  3. 5.76 inches
  1. 6.31 inches
  2. 6.31
  3. 9.00 inches
  1. 10.38 inches
  2. 11.01 inches
  3. 11.20 inches
  1. 11.31 inches
  2. 13.79 inches
  3. 15.13 inches
  1. 16.50 inches
  2. 17.75 inches
  3. 19.00 inches
  1. 25.13 inches
  1. 4.50-5.50 inches
  1. 5.50-6.50 inches
  1. 5.50 - 6.50 inches
  1. 5.50-7.00 inches
  1. 7.00-8.00 inches
  1. 1.87 inches
  2. 2.12 inches
  3. 2.66 inches
  4. 2.70 inches
  5. 2.74 inches
  6. 2.75 inches
  1. 2.80 inches
  2. 2.82 inches
  3. 3.00 inches
  4. 3.10 inches
  5. 3.12 inches
  6. 3.22 inches
  1. 3.25 inches
  2. 3.50 inches
  3. 3.55 inches
  4. 3.60 inches
  5. 3.70 inches
  6. 3.75 inches
  1. 3.80 inches
  2. 4.00 inches
  3. 4.10 inches
  4. 4.2 inch
  5. 4.20 inches
  6. 4.30 inches
  1. 4.55 inches
  2. 4.60 inches
  3. 4.75 inches
  4. 4.80 inches
  5. 5.00 inches
  6. 5.10 inches
  1. 6.40 inches
  2. 7.12 inches
  1. Red Label
  1. Ride-Rite
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Free Ship!
SKU W01-358-7325
$118.97

Genuine Firestone Airide replacement air spring W01-358-7325 is designed to provide years and thousa...   Details

Typically ships in 5 to 7 business days.
  • Compressed Height: 3.12 inches
  • Top Plate Number:3450
  • Top Plate Width:5.31 inches
  • Piston Number:3436
  • Piston Width:5.31 inches
  • Firestone Bellows Number:26
  • Goodyear Part Number:2B8-150 / 2B8-153 / 2B8-550
  • Goodyear Bellows Number:579-92-3-530
  • American Carrier Number:8003-006
  • Hendrickson Trailer Number:S-14395
  • Mack Number:227QS-32
  • Triangle Part Number:4509
  • Triangle Bellows Number:6392
  • Watson & Chalin #:AS-0030
  • Sauer NumberP10-754
  • Note:TEXAS TRUCK
  • UPC: 767555004517
  • MPN: W013587325
Free Ship!
SKU W01-358-6910
$124.37

Genuine Firestone Airide replacement air spring W01-358-6910 improves your trucks air suspension and...   Details

Typically ships in 5 to 7 business days.
  • Compressed Height: 3.12 inches
  • Top Plate Number:3079
  • Top Plate Width:6.31 inches
  • Piston Number:3090
  • Piston Width:6.31 inches
  • Firestone Bellows Number:20
  • Goodyear Part Number:2B9-200
  • Goodyear Bellows Number:578-92-3-202
  • Granning Number:1371
  • Hendrickson Trailer Number:S-8768
  • Hendrickson Truck Number:45843-3
  • Ridewell Number:1003586910C
  • Triangle Part Number:4320
  • Triangle Bellows Number:6325
  • Watson & Chalin #:AS-0001
  • Note:Diesel Nacional AX-8127-19
  • UPC: 767555002988
  • MPN: W013586910
Free Ship!
SKU W01-358-7001
$136.19

Genuine Firestone Airide bus air spring W01-358-7001 is designed to provide excellent vehicle stabil...   Details

6 In Stock as of April 14, 2021 7:55 AM EST.
  • Firestone Bellows Number:16
  • Replaces:GILLIG
  • Compressed Height: 1.87 inches
  • Top Plate Number:3030
  • Top Plate Width:4.50 inches
  • Piston Number:3025
  • Piston Width:4.50 inches
  • UPC: 767555003251
  • MPN: W013587001
Free Ship!
SKU W01-358-6902
$137.51

Genuine Firestone Airide replacement air spring W01-358-6902 provides a smoother ride and enhances v...   Details

Typically ships in 5 to 7 business days.
  • Compressed Height: 4.10 inches
  • Top Plate Number:3079
  • Top Plate Width:6.31 inches
  • Piston Number:3100
  • Piston Width:6.31 inches
  • Firestone Bellows Number:20
  • Goodyear Part Number:2B9-201
  • Goodyear Bellows Number:578-92-3-202
  • Granning Number:4848
  • Hendrickson Auxiliary Number:S-2630
  • Ridewell Number:1003586902C
  • Triangle Part Number:4310
  • Triangle Bellows Number:6325
  • Watson & Chalin #:AS-0002
  • Suspensions Inc. Number200042
  • UPC: 767555002957
  • MPN: W013586902
Free Ship!
SKU W01-358-7008
$175.98

Genuine Firestone Airide replacement air spring W01-358-7008 is designed to replace your worn OEM ai...   Details

4 In Stock as of April 14, 2021 7:57 AM EST.
  • Compressed Height: 2.12 inches
  • Top Plate Number:3215
  • Top Plate Width:9.00 inches
  • Piston Number:3212 or 3183
  • Piston Width:9.00 inches
  • Firestone Bellows Number:19
  • Goodyear Part Number:1B12-300 / 1B12-313
  • Triangle Part Number:4474
  • Triangle Bellows Number:6374
  • Holland (Neway) Number:905-57-226
  • Manufacturers Part Number:W01-358-7008
  • UPC: 767555003299
  • MPN: W013587008
Free Ship!
SKU FIR6781
$132.95

Firestone Ride-Rite replacement air spring 6781. Rear 267C1.   Details

Typically ships in 5 to 7 business days.
  • SeriesRide-Rite
  • Extended Length (IN)8.30 inches
  • Compressed Height: 2.80 inches
  • Ride Height:5.50-6.50 inches
  • Maximum Diameter:6.60 inches
  • Air Inlet:1/4 NPT
  • UPC: 767555108499
  • MPN: W217606781
Free Ship!
SKU W01-358-6900
$133.43

Genuine Firestone Airide replacement air spring W01-358-6900 allows you to tune your suspension to a...   Details

12 In Stock as of April 14, 2021 7:55 AM EST.
  • Compressed Height: 3.12 inches
  • Top Plate Number:3096
  • Top Plate Width:6.31 inches
  • Piston Number:3090
  • Piston Width:6.31 inches
  • Firestone Bellows Number:20, 20C
  • Ridewell Number:1003586900C
  • Note:Trailers De Monterrey 73312, Diesel Nacional A1Z-8127-19
  • UPC: 767555002933
  • MPN: W013586900
Free Ship!
SKU FIR6859
$129.00

Firestone Ride-Rite replacement air spring 6859.   Details

1 In Stock as of April 14, 2021 7:58 AM EST.
  • SeriesRide-Rite
  • Extended Length (IN)8.91 inches
  • Compressed Height: 3.00 inches
  • Ride Height:5.50-7.00 inches
  • Maximum Diameter:7.52 inches
  • Air Inlet:1/4 NPT
  • UPC: 767555110232
  • MPN: W217606859
Free Ship!
SKU FIR6401
$139.95

Firestone Ride-Rite replacement air spring 6401.   Details

8 In Stock as of April 14, 2021 7:58 AM EST.
  • SeriesRide-Rite
  • Extended Length (IN)8.91 inches
  • Compressed Height: 3.00 inches
  • Ride Height:5.50-7.00 inches
  • Maximum Diameter:7.52 inches
  • Air Inlet:1/4 NPT
  • UPC: 767555105450
  • MPN: W217606401
Free Ship!
SKU W01-358-6905
$143.17

Genuine Firestone Airide replacement air spring W01-358-6905 increases tow and hauling capabilities ...   Details

8 In Stock as of April 14, 2021 7:55 AM EST.
  • Compressed Height: 4.10 inches
  • Top Plate Number:3101
  • Top Plate Width:6.31 inches
  • Piston Number:3100
  • Piston Width:6.31 inches
  • Firestone Bellows Number:20
  • Goodyear Part Number:2B9-206
  • Goodyear Bellows Number:578-92-3-202
  • Hendrickson Trailer Number:S-3518 / S-5270
  • Hendrickson Truck Number:45843-1
  • Ridewell Number:1003586905C
  • Triangle Part Number:4315
  • Triangle Bellows Number:6325
  • Watson & Chalin #:AS-0020
  • Note:Monaco Coach / Silent Drive
  • UPC: 767555002964
  • MPN: W013586905
Free Ship!
SKU W01-358-7180
$140.22

Genuine Firestone Airide replacement air spring W01-358-7180 increases tow and hauling capabilities ...   Details

1 In Stock as of April 14, 2021 7:55 AM EST.
  • Compressed Height: 3.12 inches
  • Top Plate Number:3215
  • Top Plate Width:9.00 inches
  • Piston Number:3212
  • Piston Width:9.00 inches
  • Firestone Bellows Number:22
  • Goodyear Part Number:2B12-425
  • Goodyear Bellows Number:578-92-3-309
  • Ridewell Number:1003587180C
  • Triangle Part Number:4363
  • Triangle Bellows Number:6316
  • Note:PEERLESS # 0550-00001
  • UPC: 767555003930
  • MPN: W013587180
Free Ship!
SKU W01-358-7400
$107.09

Genuine Firestone Airide replacement air spring W01-358-7400 provides a smoother ride and enhances v...   Details

3 In Stock as of April 14, 2021 7:55 AM EST.
  • Compressed Height: 4.20 inches
  • Top Plate Number:3215
  • Top Plate Width:9.00 inches
  • Piston Number:3183
  • Piston Width:9.00 inches
  • Firestone Bellows Number:22
  • Goodyear Part Number:2B12-309
  • Goodyear Bellows Number:578-92-3-309
  • Freightliner Number:16-10796-000
  • Granning Number:2726
  • Hendrickson Trailer Number:S-1013
  • Holland (Neway) Number:905-57-016
  • Ridewell Number:1003587400C
  • Triangle Part Number:4313
  • Triangle Bellows Number:6316
  • Watson & Chalin #:AS-0003
  • Note:FAB TEK (WEST UNIT) # 04-0080 / GMC # 693230 / R & S TRUCK & BODY # 1027519 / Mexicana De Autobuses 2-27-0-02002
  • UPC: 767555004616
  • MPN: W013587400

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.

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