Air Spring - 1 Solid Sleeve - 1T - Reversible Sleeve - 1T15M-9

#FIRW01-358-8855

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	Combination Stud/Air Inlet Stud Outside Thread is 3/4 in-16; Studs Inside Thread (Air Inlet) is 1/4 in NPT
Air Spring Type	1T Reversible Sleeve
Application	Reyco 23521-01
Bead Plate (Top) & Deflated Bellows O.D.	9 in @ 10.12 in (22.86 cm @ 25.7 cm)
Bellows	1T15M-9
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	10-1/4 in (26.04 cm)
Compressed Length	7-19/64 in (18.54 cm)
Design Height (in.)	15 in @ 17 in (38.1 cm @ 43.18 cm)
Diameter	10-1/8 in (25.73 cm)
Extended Length	23-1/2 in (59.69 cm)
Firestone Bellows Number	1T15M-9
Loading Capacity at 20 psig	1440 lb-ft
Loading Capacity at 60 psig	4320 lb-ft
Loading Capacity at 90 psig	6480 lb-ft
Maximum Rebound Height (in.)	22-7/8 in (58.12 cm)
Minimum Jounce Height (in.)	7-13/32 in (18.82 cm)
Piston (Bottom) Mounting Bolt Dimensions Center to Center	7-7/8 in (20.02 cm)
Piston Height	5-43/64 in (14.4 cm)
Temperature	57°C @ -54°C (134.6°F @ -65.2°F)
Top Plate Diameter	9 in (22.86 cm)
Weight	14.6 lb (6.62 kg)

Interchanges & Equivalent parts:

1R12-613, 1R12-644, 23521-01, 2352101, 352-8855, 8855, FIR8855, ARB1R12-644, AS78671, AS8855, FI W01 358 8855, FSIW013588855, G2298855200, GTK-358-8855, FS8855, W013588855, 9 10-19 P 552, TWDW013588855, GOD1R12644, 566.ER8855, W01-358-8855, 1R12-644, ARB1R12-644, 1R12-613, 8855, 352-8855, 2352101, FIR8855, 23521-01, GTK-358-8855, AS8855, AS78671, FSIW013588855, FI W01 358 8855, G2298855200, 9 10-19 P 552, TWDW013588855, W013588855, FS8855, GOD1R12644, 566.ER8855, W01-358-8855