[Replacement Part] Replacement Part #: Quick Tach Actuator can replacement part Nr. AT471581, AT318535, SS440, AT424407, AT361276. [Compatible Vehicles] AT424407 Quick Tach Actuator is a good replacement for Joh-n Deer-e Loaders 204K 204L 244J 244K 244L 304J & Joh-n Deer-e Skid-Steer Loaders 318D 318E 319D 319E 320D 320E 320G 323D 323E 324E 324G 325G 326D 326E 328D 328E 329D 329E 330G 331G 332G 332D 332E 333D 333E 333G. [Funcation of the quick actuator] This AT471581 quick Tach Actuator funcation is the operation of the hydraulic cylinders that lock and unlock the attachment pins on the loader arms to ensures your attachments' smooth and safe operation. [High quality material] Quick Tach Actuator are made of high quality material and durable, designed with original Size, can direct replacement, easy Installation. We will solve your problems in a timely manner. If item is defective after 3 months, you can still send it back to us.