Home / Bus / Rear Air Bag – IRIS Bus Rear Air Bag – IRIS Bus O.E. refs = SZ 135-19, SZ135-19 P02, SZ13519P02 Category: Bus Description Description Rear Air Bag Assembly for Iris Bus. Related products 245987 DENNIS Javelin Spring – Rear 2 Leaf 611910-2 DENNIS Spring Rubber – Javelin 611910/2 70321693 70321611 VOLVO Shock-Absorber B12B Front AIR BAGS / AIR SPRINGS – MUNICIPAL, BUS, TRUCK, TRAILER