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Econoride · Suspension & Steering
566.ER9759
In stock · ships from Knoxville
This Econoride 9759 is a rolling lobe air spring (air bag) used in heavy-duty truck and commercial trailer air suspensions.
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Verified fitment for 2 applications
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Other applications
Designed as a universal-fit replacement for Firestone W01-358-9759 air springs. Commonly used on rear drive axle and trailer air suspensions. Verify mounting dimensions and load rating against your original spring before ordering.
Part data verified against 4 catalog sources
Numbers this part supersedes or interchanges with. Showing 3 of 3.
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It replaces a worn or leaking original air bag to restore correct ride height, absorb road shock, and protect shock absorbers from premature failure. Typically installed on rear drive axles and trailer suspensions, it fits many Class 8 vehicles and is a cost-effective, direct-fit replacement for the widely used Firestone W01-358-9759.
Part Number: 566.ER9759
AIR BAG
Dealer: Knox Trailers
Compatibility, alternatives, and more
Parts commonly needed alongside suspension & steering
