Load Boss 8709 Air Spring For Trailer Suspension Replaces Hendrickson S21800 Intraax AA230 And Firestone W01-358-8709 Compatible With Goodyear Bellows 566-26-3-073 Firestone 1R13-159 And 1T17CA-5

Load Boss LB8709 air spring replacement for trailers 1-unit
✔️ Replaces Hendrickson S21800 and Firestone W01-358-8709 units

The Load Boss LB8709 air spring is a direct, high-quality replacement bag for trailer suspensions, designed to swap in for Hendrickson S21800 (Intraax AA230) and Firestone W01-358-8709. Cross references include Goodyear bellows 566-26-3-073 and 1R13-159, and Firestone bellows 1T17CA-5 with part W01-358-8709, offering a reliable, long-life solution.

✅ Replaces: Hendrickson S21800 (Intraax AA230) and Firestone W01-358-8709
✅ Goodyear bellows: 566-26-3-073, 1R13-159
✅ Firestone bellows: 1T17CA-5, W01-358-8709
✅ Cross references: 1R13159, S21800, AS87090, 64645

💡 What is an air spring used for in trailer suspension systems?

Air springs provide a handy way to cushion shocks and keep the ride level under varying loads.

• Handy for absorbing road vibration and protecting cargo
• Let you tune ride height and stiffness by adjusting air pressure
• Cross references include S21800, AS87090, W01-358-8709, and related bellows numbers