1R12539 Genuine Firestone Airide Air Spring Reversible Sleeve

DESCRIPTION Airide Air Spring Reversible Sleeve CONDITION Used BRAND Firestone PART NUMBER 1R12539 Cross-reference note: Part number 1R12539 is a matching cross-reference for our main listing part number C01-358-1178. Function of this partThe suspension system, including springs, airbags, torque rods, and related hardware, supports the truck and helps control ride height and stability. It keeps axles aligned and cushions the chassis from road inputs. Why this part mattersGood suspension components protect the frame, cab, and cargo from damage and are important for tire wear and driver comfort. Worn suspension parts can cause vibration, alignment problems, and handling issues. About the brandFirestone components are commonly used in commercial truck and equipment applications where dependable performance and proper fit are important. Fitment & usage Used OEM parts are a smart choice for controlling repair costs while still using original-equipment components. Always match the OEM part number(s) listed to your existing part, and consult your service manual, dealer, or technician if you are unsure about fitment. Note: Because this is a used component, normal signs of wear such as scratches, discoloration, or light surface corrosion may be present. Refer to the product photos and information on Second Truck Parts for the best representation of the part you will receive.