The Hendrickson Brake Chamber TSE 3, part number S-40894-4 or S408944, is a genuine Hendrickson suspension component designed for heavy-duty truck applications. Pro Gear and Transmission supplies genuine Hendrickson parts for fleet maintenance and repair operations. If you need help confirming this is the correct chamber for your suspension setup, give us a call before ordering.FeaturesGenuine Hendrickson brake chamber for heavy-duty truck suspensionsHendrickson TSE 3 designationReferenced under part number S-40894-4 or S408944Intended for use with Hendrickson suspension systemsCall to verify proper fitment for your specific application