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Air Spring - 2 Lobes - Convoluted - 21-2

#FIRW01-358-6801

Features & Benefits


  • Manufactured to Meet or Exceed O.E.M. Specifications in Function, Form & Fit.
  • Today, Airide Springs are Used by Practically All Manufacturers Who Offer Air Ride Suspensions on Their Vehicles.
  • Airide Springs Were Pioneered & Perfected by Firestone, and Only Firestone Offers a Complete Line of Airide Springs.

Specifications


Air Inlet Air Inlet 1/4 in NPT
Air Spring Type Double Convoluted
Application Watson & Chalin AS-0021
Bead Plate (Top) & Deflated Bellows O.D. 11.31 in @ 14.5 in (28.73 cm @ 36.83 cm)
Bead Plate (Top) Mounting Bolts Dimension Center to Center 6-1/4 in (15.88 cm)
Bellows 2/21
Bottom Bead Plate Hardware Key 4 x Threaded Hole 3/8 in-16 Blind Nut on Bead Plates 1/2 in-13 Pistons
Bottom Plate Diameter 11-5/16 in (28.73 cm)
Compressed Length 3-3/4 in (9.53 cm)
Design Height (in.) 9 in @ 11 in (22.86 cm @ 27.94 cm)
Diameter 14-1/2 in (36.83 cm)
Firestone Bellows Number 21-2
Goodyear Bellow # 578923356
Loading Capacity at 20 psig 1858 lb-ft
Loading Capacity at 60 psig 5574 lb-ft
Loading Capacity at 90 psig 8361 lb-ft
Material Natural Rubber
Minimum Jounce Height (in.) 3-51/64 in (9.65 cm)
Piston (Bottom) Mounting Bolt Dimensions Center to Center 6-1/4 in (15.88 cm)
Temperature 57°C @ -54°C (134.6°F @ -65.2°F)
Top Bead Plate Hardware Key 4 x Threaded Hole 3/8-16 in Blind Nut on Bead Plates 1/2-13 in Pistons
Top Plate Diameter 11-5/16 in (28.73 cm)
Weight 21.1 lb (9.57 kg)

Interchanges & Equivalent parts:


2B14-365, 2B14365, 354-6801, 6801, AS-4451, FIR6801, AS0021, AS6801, B2734, FI W01 358 6801, FS6801, FSIW013586801, G2296801500, W013586801, 3040-W013586801, 8030160, AS-0021, FD 530-30 451, TR6801, TWDW013586801, S2734, 1685183C1, 57006801, B-2734, FD 530 30 451, SC2079, W01-358-6801, 2B14-365, FIR6801, 354-6801, 6801, AS-4451, 2B14365, FSIW013586801, FI W01 358 6801, FS6801, AS6801, G2296801500, B2734, AS0021, TWDW013586801, AS-0021, FD 530-30 451, 8030160, 3040-W013586801, TR6801, W013586801, S2734, 1685183C1, FD 530 30 451, SC2079, 57006801, B-2734, W01-358-6801