Built Tougher Than OEM — Not Just "As Good" Made with 4.5–5mm premium rubber and 4140-grade steel studs that are 25% stronger than standard, this air spring is engineered to outlast the original. More rubber. More steel. Less worry.
Passes the Leak Test Every Time Every unit goes through rigorous leak testing before it leaves the factory — so you get a bag that holds pressure from mile one. No guesswork, no "hope it works."
Rrplacement For: Freightliner REAR: Cascadia (2007–2017)/Columbia (2000–2017)/Century Class (1996–2010)/ FLD/FLD Classic (1988–2006); Volvo REAR: VNL Series (VNL 670/780, 2004–2018)
The Part Number Is Right There on the Bag No digging through paperwork. The part number is engraved directly into the rubber — making returns, reorders, and cross-referencing fast and foolproof.
Warranty: 2 Year Unlimited-mileage Quality Guarantee, please feel free to contact us if you have any questions
Description
Air Suspension Spring Bag 9781Built tougher than OEM with 4.5–5mm premium rubber and 25% stronger 4140-grade steel studs, this air spring is engineered to outlast the original and keep your rig rolling. Every unit passes a rigorous post-assembly leak test so you get a bag that holds pressure from mile one — no hoping, no shop comebacks. It's a direct replacement for Cascadia (2007–2017)/Columbia (2000–2017)/Century Class (1996–2010)/ FLD/FLD Classic (1988–2006); VNL 670/780, 2004–2018; the part number is permanently engraved right on the rubber so cross-referencing, reorders, and warranty claims are fast and foolproof. We back it with the industry's first 2-year unlimited-mile warranty — Bottom line: more rubber, more steel, longer warranty, zero leaks.
