Air Spring Bag for Mack Trucks (Replaces Firestone 9375, 9373, Mack 364SQ27, 57QL414M) Air Helper Kits for Pick-up(s) - Used on trailers to

- Used on trailers to control both parking and emergency brake functions

and Velvac 34029

Carquest 88882

Holland (Neway) 905-57-008

Air Spring Bag for Mack Trucks (Replaces Firestone 9375, 9373, Mack 364SQ27, 57QL414M) Air Helper Kits for Pick-up(s) - Used on trailers toThe Ultimate Air Spring Bag for Mack Trucks and Heavy Duty Suspension Systems! Ensure optimal performance and durability for your Mack trucks suspension with the TORQUE Air Spring Bag. Designed as a direct replacement for Firestone 9375, 9373, W01 358 9375, W01 358 9373, Mack 364SQ27, 57QL414M, Goodyear 1R12 404, and other compatible models, this high quality air spring bag exceeds OEM requirements. Built with premium materials, including 4. 5 5. 00