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FIRESTONE W013586801 21CT2 AIR SPRING

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Firestone W013586801 Suspension Air Spring Kit 21CT2 AIR SPRING
FIRESTONE
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$468.49

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FIRESTONE W013586801 Part Description

Manufacturer

FIRESTONE

Features & Benefits

  • Absorbs road shocks through a flexible, reinforced rubber bellows design
  • Maintains a consistent ride height to protect the chassis from bottoming out
  • Resists ozone and environmental weathering for long-term durability in the underbody
  • Provides a secure mechanical mounting point for standard heavy-duty suspension brackets

Firestone Suspension Air Spring

The Firestone Suspension Air Spring is a heavy-duty bellows unit engineered to provide adjustable load support for truck and trailer suspensions. This air spring utilizes a high-strength rubber compound reinforced with internal cords to handle extreme pressure changes required to level a loaded chassis. By absorbing high-frequency road vibrations, the bellows prevent shock transfer to the frame rails and cargo. The durable pedestal and top plate assembly of the Firestone W013586801 ensures the spring remains seated and functional through millions of suspension cycles.

Order Number:

W01-358-6801

Bellows #:

21-2

Assembly Weight:

21.1 lbs

Design Height:

9-11 inches

Minimum Jounce Height:

3.8 inches

Maximum Rebound Height:

N/A inches

Loading Capacity at 20 psig:

1,858 lbsf

Loading Capacity at 60 psig:

5,574 lbsf

Loading Capacity at 90 psig:

8,361 lbsf

Natural Frequency:

Hz

Maximum Diameter:

16 inches

Material Type:

Natural Rubber

Operating Temperature:

57Cº to-54Cº

Remarks:

 
   

TR: 3931

 

FIRESTONE W013586801 Cross References

BrandPart Number
W014556801, 161373, 578923356, FIW013586801
ARVIN MERITOR201377
CONTITECHFD53030451, AS6801, 64590
DAYTON PARTS3546801
EZ RIDE8030160
FIRESTONE21CT2, 21-2
GOODYEAR2B14-365, 2B14361, 2B14365, 2B14452, 2B15376
GOODYEAR BELLOWS578-92-3-356
GOODYEAR PART2B14-365
HENDRICKSONS2734, S-2734
MERITORFS6801, MAF6801
PISTON3130
RIDEWELL1003586801C
TOP PLATE3134
TORQUE PARTSTR6801
TRIANGLE BELLOWS6336
TRIANGLE PART4451
TRIANGLE SUSPENSIONAS-4451

FIRESTONE W013586801 Customer Reviews

5.0 out of 5

(1)

5.0
out of 1 reviews
100% recommend this product
5
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By Bruno S Verified Purchase March 26, 2021
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Firestone W013586801 Suspension Air Spring Kit 21CT2 AIR SPRING

FIRESTONE W013586801

21CT2 AIR SPRING

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FIRESTONE W013586801 Manufacturer Information

Headquartered in Nashville, Tennessee, Firestone Industrial Products® is a proud manufacturer of air spring and other anti-vibration solutions to heavy duty trucks, trailers, commercial vehicles, rail cars, and industrial equipment. It has come a long way since it revolutionized transportation with the introduction of the Airide™ Air Spring in 1938. Today, Firestone is more than just an air spring manufacturer—it’s a global leader and a local partner that sees solutions where others see obstacles. Both OEMs and everyday consumers trust this brand for their air suspension needs because of its unwavering commitment to quality and reliability. All Firestone parts are engineered and tested in ISO-certified facilities to ensure they meet the strictest standards and customer specifications.

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