New rear assembly and plungers for a CAT 310 pump. OEM component allowing you give new life to your CAT 310. Trusted factory part from CAT Pumps; guaranteed to fit properly.
The CAT Pumps PU310RA-WP Rear Assembly is used to replace the rear portion of a 310 pump when the rest of the pump is still in good shape. Save money by repairing and revitalizing your model 310 pump!