Amazon.com: 2 pack of TORQUE Air Spring Bag for Peterbilt and Kenworth Trucks (Replaces Firestone 8864, W01-358-8864, Peterbilt C81-1013, C811013,
Amazon.com: 2 pack of TORQUE Air Spring Bag for Peterbilt and Kenworth Trucks (Replaces Firestone 8864, W01-358-8864, Peterbilt C81-1013, C811013, ,Double Convoluted Air Spring for Ridewell Firestone Goodyear - OEM 1003586948C 2B9-251,Torque Parts TR8864 Suspension Air Spring Kit + Cross Reference | FinditParts,11KB,BlackTech Air Springs Bag W013588864 / W01-358-8864