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Air Spring - 1 Solid Sleeve - 1T - Reversible Sleeve - 1T15VP-4


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.


Air Spring Compressed Height 5.5 in.
Air Spring Air Fitting Size Combination Stud/Air Inlet Stud Outside Thread is 3/4-16 ; Studs Inside Thread (Air Inlet) is 1/4 N.P.T.
Air Spring # of Lobes 1 Solid Sleeve
Air Spring Type 1T - Reversible Sleeve
Application Hendrickson S-20010 (HT230T)ref.S21208 W01-455-9579 (different bead plate) Also replaces 1T15VM-4.0
Assembled Product Weight (lb) 14.8
Bead Plate Bottom Diameter 9.5 in.
Bead Plate (Top) & Deflated Bellows O.D. 9 and 10.12 in.
Bead Plate Top Diameter 9 in.
Bellows 1T15VM-4
Bottom Bead Plate Hardware Key 4 x Threaded Hole 3/8-16 Blind Nut on Bead Plates 1/2-13 in Pistons
Design Height (in.) 8-9.5
Diameter 10.12 in.
Extended Height Deflated 16.5 in.
Finished Weight 14.8 lbs
Loading Capacity at 20 psig 1,660 lbsf
Loading Capacity at 90 psig 7,470 lbsf
Loading Capacity at 60 psig 4,980 lbsf
Material Type Natural Rubber
Maximum Diameter 12.7
Natural Frequency Hz
Operating Temperature (Deg C) 57 to -54
Packaging 1 Assembly per Box / Bulk
Piston (Bottom) Mounting Bolt Dimensions Center to Center 4.00 in.
Piston Height 3.75 in.