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18-40977-000 superseded by 18-52651-000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W02-358-7207 superseded by W02-358-7215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UCE-9393-1 superseded by UCE 9393-2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W01-358-9130 superseded by W01-358-9394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1R12-279 superseded by 1R12-281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905-57-306 superseded by 905-57-363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W01-358-8882 superseded by W01-358-9807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