Common Issues & Tech Bulletins

Listed below are some Common issues and Tech Bulletins. Click on the link below to take you to the appropriate bulletin. These pages will be updated as new issues and bulletins are encountered.

Application
Issue
OEM #
Firestone
Goodyear
Change of cab air spring
18-40977-000 superseded by 18-52651-000
W02-358-7207 superseded by W02-358-7215
Currently not available
Air spring can be purchased with either or aluminum or plastic piston
several
W01-358-9780 (plastic)
W01-358-9781 (alum.)
W01-358-9782 (steel)
1R12-303 (plastic)
1R12-603 (alum.)
Steel piston not available
Air spring now being made for inside & outside piston mounting
UCE-9393-1 superseded by UCE 9393-2
W01-358-9130 superseded by W01-358-9394
1R12-279 superseded by 1R12-281
Tech Bulletin that helps identify suspension model #’s
Possible spacer requirement due to ride height options
905-57-306 superseded by 905-57-363
W01-358-8882 superseded by W01-358-9807
Currently not available
Pistons are not interchangeable between Firestone & Goodyear
 
 

Although the OE equivalent is always recommended first the above table identifies alternative air springs that can be used when immediate replacement is required.