Keeping you Ready for the Road Ahead , the OTR Type 2030 Standard Stroke Air Disc Spring Brake Chamber boasts dependability 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 .