Caterpillar 9137100030 (91371-00030) Universal Joint Assembly is an OEM Caterpillar drivetrain component identified by the part numbers 9137100030 and 91371-00030. It functions as a universal joint that connects drive shafts to transmit torque while allowing angular movement between connected components. This part is used in heavy equipment to accommodate angular misalignment and maintain drive-train operation.
