The OTR 1824 Standard Stroke Spring Brake Chamber is made with Expertise Built In™, boasting dependable as a durable braking solution with superior OEM quality power performance. This OTR brake chamber is manufactured in an innovative facility with precision and strength in mind. In addition, this OTR brake chamber features reinforced mounting studs to prevent damage and provide rigidity. This brake chamber exceeds OEM standards. In the end, this heavy duty trailer brake chamber replacement is backed by modern technology, ensuring the high-quality performance you desire for your semi truck. FleetPride is your First Click in Heavy Duty®.