The OTR 3036 3" Long Stroke OEM Sealed Spring Brake Chamber ensures Expertise Built In , as a consistently performing solution that meets the braking demands of the road. Due to the modern, innovative technology and precision, all fasteners adhere to SAE tensile strength standards with reinforced mounting studs, providing rigidity and preventing damage. In addition, this OTR brake chamber features a 10-gauge housing that has a non‐pressure, epoxy coating, preventing long-term corrosion and rust. At the same time, this OTR brake chamber features a dust shield that keeps out foreign contaminants like dirt, sand, and moisture. As a result, this heavy duty brake chamber is reliable, consistent, and high-performing. FleetPride is your First Click in Heavy Duty .