4 Pcs Brake Cage Bolt with 3/4" Socket, Caging Bolt Socket Tool Fit for Most Semi Trucks and Air Spring Brakes, Cagebolt Release Bolt Replace 179.4019 800921 05-149 SB30R 9007003
Wide Compatibility: Air cagebolt release bolt follows standard 1/2" thread and 4-13/16" length specifications, offering precise fitment for most spring brakes and semi-trailer trucks. It replaces 800921, 179.4019, 460-9007003, E11988, S-17973 and many more
Heavy-Duty Metal: Brake cage bolt uses premium high-strength metal, providing outstanding durability, impact resistance, corrosion protection, and heat stability. It withstands frequent brake service without bending or fatigue, ensuring long-term reliability
Manual Spring Brake Release: Caging bolt socket tool allows drivers or technicians to manually release the spring brake on semi-trailers or trucks with air brake systems. It provides an essential backup method when air pressure is insufficient or during towing and maintenance
Complete Kit for Efficient Service: Caging bolt socket tool comes with 4 cage bolts and a 3/4" socket tool, giving all essential components in one set, speeding up maintenance and provides a ready-to-use solution for brake release
Direct Replacement & Easy Install: Brake cage bolt installs easily by directly replacing worn or damaged bolts without modification. Its precise threading and reinforced structure ensure stable positioning, secure engagement and smooth brake release during service