Freightliner A16-21558-001 Air Spring

Genuine Freightliner Air Spring - A16-21558-001

The fitting it takes is 23-14559-003 in a 45 degree to 3/8 plastic tubing.  This is a 12mm with oring seal.  

**If this air bag is replacing previous versions that had 1/4MPTx3/8PTC fittings, it will also require changing the air bag fittings fittings with one of the following, depending on what the original had.
23-14559-003  M12x3/8PTC 45degree.
23-14405-003  M12x3/8PTC Straight.
23-14558-003  M12x3/8PTC 90degree.

Piston Diameter: 10.63 in
Hole Thread Size: M12X1.5 mm
Extended Height: 12.92 in
Top Plate Diameter: 8.94 in
Inlet Thread Size: M12X1.5 mm
Mounting Stud Thread Size: 1/2-13 UNC in

Type:  Rolling Lobe Spring
Piston Material:  Plastic

Maximum Operating Pressure:  100 psi
Burst Pressure: 200 psi
Minimum Operating Pressure:  5 psi 

Operating Temperature: -40 to 65 Deg.C

Maximum Load Capacity:  7733.42 lbs

Parts Cross Reference

Genuine Freightliner Truck Parts Warranty

With limited warranty protection on aftermarket truck parts sold through authorized Freightliner dealers, DTNA covers defective materials and/or workmanship for one year. For details on coverage, contact your local dealer.