20505399 Air Spring | 1R12-405 / 1R12-595 | Newstar S-22540 | S&S Truck Replacement BOX114 "contactType": "Customer Service" } }

"contactType": "Customer Service" } } } }

Locking Method: Set screw

Manufacturer: Doosan / Komatsu

Designed for heavy-duty industrial and off-highway driveshaft systems utilizing GWB 2035 series or equivalent U-joints

Function: Prevents fluid leakage in compatible drivetrain and hydraulic components

20505399 Air Spring | 1R12-405 / 1R12-595 | Newstar S-22540 | S&S Truck Replacement BOX114 "contactType": "Customer Service" } }20505399 S&S Truck Newstar Air Spring 1R12 405 1R12 595, S 22540 New Aftermarket New Aftermarket S&S Truck Newstar 20505399 (New Aftermarket Replacement) heavy duty rear suspension air spring assembly engineered to maintain proper ride height, load support, and suspension performance in compatible Volvo and Mack truck applications. Cross referenced with Firestone 1R12 405, 1R12 595, W01 358 8829, FS8829, and Newstar S 22540. In stock and ready to ship