Premium Cabin Air Spring 227QS34B Direct Replacement for Mack Trucks with Multi-layer Reinforced Natural Rubber and Anti-corrosion Sealed Metal End Caps

Our OE-spec cabin air spring with part number 227QS34B is a precise direct replacement compatible with Mack R, RB and RD series heavy-duty trucks. Crafted with multi-layer reinforced natural rubber bladder and anti-corrosion sealed metal end caps, this component delivers outstanding shock absorption and vibration isolation on bumpy highways and rough construction roads.

This sleeve-type cab air bag effectively stabilizes the truck cabin, relieves driver fatigue during long-haul trips, and reduces wear on cab interior and body components. Featuring excellent resistance to oil, high temperature, and aging to extend service life, it matches original installation dimensions perfectly for quick bolt-on replacement without modification. The air spring provides consistent cushioned air ride performance to cut fleet maintenance costs while upgrading overall driving comfort for commercial truck operators.