Air Spring - 2 Lobes - Convoluted - 228-1.5

#FIRW01-358-7555

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	Double Convoluted
Application	Reyco 20018-01 (86AR), Binkley XB-SPN-053-37, Supersedes W01-358-7550
Bead Plate (Top) & Deflated Bellows O.D.	9 in @ 12 in (22.86 cm @ 30.48 cm)
Bead Plate (Top) Mounting Bolts Dimension Center to Center	6-13/64 in (15.75 cm)
Bellows	228-1.5
Bottom Bead Plate Hardware Key	Bold or Stud 3/8 in-16
Bottom Plate Diameter	9 in (22.86 cm)
Compressed Length	3-19/32 in (9.12 cm)
Design Height (in.)	9 in @ 11 in (22.86 cm @ 27.94 cm)
Diameter	12 in (30.48 cm)
Firestone Bellows Number	228-1.5
Goodyear Bellow #	578923315
Loading Capacity at 20 psig	1240 lb-ft
Loading Capacity at 60 psig	3720 lb-ft
Loading Capacity at 90 psig	5580 lb-ft
Minimum Jounce Height (in.)	3-35/64 in (9.02 cm)
Piston (Bottom) Mounting Bolt Dimensions Center to Center	6-13/64 in (15.75 cm)
Temperature	57°C @ -54°C (134.6°F @ -65.2°F)
Top Bead Plate Hardware Key	Bold or Stud 1/2-13 in
Top Plate Diameter	9 in (22.86 cm)
Weight	13.4 lb (6.08 kg)

Interchanges & Equivalent parts:

20018-01, 2001801, 2B12-440, 2B12440, 354-7555, 7555, AS-4480, FIR7555, 18813-01, AS0087, AS82040, FD 331-26 480, FI W01 358 7555, FS7555, FSIW013587555, G2297555500, GTK-358-7555, REY20018-01, TR7555, TWDW013587555, W013587555, AS75500, AS7555, AS75550, REAW013587555, 1881301, 2B12-447, 2B12447, 64284, FD 331 26 480, W017557450, W01-358-7555, AS-4480, 2001801, FIR7555, 7555, 2B12-440, 354-7555, 20018-01, 2B12440, FSIW013587555, AS0087, W013587555, TWDW013587555, TR7555, FI W01 358 7555, FS7555, G2297555500, REY20018-01, GTK-358-7555, FD 331-26 480, 18813-01, AS82040, AS75550, REAW013587555, AS7555, AS75500, 64284, FD 331 26 480, 1881301, W017557450, 2B12447, 2B12-447, W01-358-7555