Feature: 1. OE Number: The referencing OE number of this brake cage bolt are 800921, 179.4019, 460‑9007003, 9007003, E11988, E‑9114, S‑17973, molded and designed depend on the original data. 2. Fitment: The brake chamber cage bolt is applicable for most Spring Brakes Semi Truck, fits for air spring brake chamber repair, designed for both maintenance and operational efficiency. 3. Convenient Usage: The cage bolt can be conveniently used to complete brake maintenance or move a vehicle. Once the brake is released, it can be fixed on the side of the brake for repeated use. 4. Suitable Dimension: The thread of this brake cage bolt assembly measures 1/2in and the overall length is 4‑13/16in. This sizing makes it a versatile fit for various braking issues. 5. Manual Release: This cage bolt can be used to manually release a spring brake on a truck or trailer equipped with air brakes, enhancing ease of use, and offering better control. Specification: Item Type: Brake Cage BoltOE Number: 800921, 179.4019, 460‑9007003, 9007003, E11988, E‑9114, S‑17973.Material: MetalThread: 1/2 inchOverall Length: 4-13/16 inchFitment:Fits for most spring brakes and Semi Truck Package List: 2 x Brake Cage Bolt Note: Please double check the part number of your item, matching information is for reference only.