The Hendrickson S-38721-R or S38721R is a Chamber Assembly, Service Brake designed for air disc brake systems. Specified as a right-hand, 18/24 size unit, it is the direct Hendrickson OEM part for this application. Cross-references include 8446-S38721R, 925-347-008-0, HENS-38721-R, S-40881-R, and WB9253470080, making it easier to confirm you are ordering the correct replacement. Sold individually by Pro Gear and Transmission. Call us to confirm proper fit for your specific axle and suspension configuration before ordering.
Features
Chamber Assembly - Service Brake, Air Disc type
Right-Hand orientation
18/24 size designation
OEM Hendrickson part number S-38721-R or S38721R
Cross-references: 8446-S38721R, 925-347-008-0, HENS-38721-R, S-40881-R, WB9253470080
Sold as individual unit
Tech Specs
- Part Number: S-38721-R or S38721R
- Type: Chamber Assembly - Service Brake
- Brake System: Air Disc
- Orientation: Right Hand
- Size: 18/24
- Cross References: 8446-S38721R, 8446S38721R, 925-347-008-0, 9253470080, HENS-38721-R, HENS38721R, S-40881-R, S40881R, WB9253470080
