CKN31300 Air System Pressure Relief Valve LTL Waterproof design and surface mountable B55462P Exhaust Bellows IHC Waterproof design and surface mountable 510B King Pin Kit Bi Metal Bushing Trustworthy quality backed by a team of product experts in the United States with more than a century of experience in the design of heavy duty truck parts Direct replacement this air brake supply reservoir safety valve is designed to match the fit and function of the original equipment valve on vehicles with certain brake drum diameters and axle brands Ideal solution engineered to help prevent the reservoir from over pressurizing and bursting when an original valve is leaking or has failed Durable construction made from quality materials for reliable performance and long service life Trustworthy quality backed by a team of product experts in the United States and more than a century of automotive experience Direct replacement this air brake reservoir pressure relief valve is designed to match the performance of an original equipment valve in specified fitments