Aftermarket Plunger and Barrel assembly - 6 needed for complete job.
13mm Barrel & Plunger for the P7100 Pump 1994-1998 5.9L 12 Valve Cummins Diesels
Must be installed by a qualified pump shop/P7100 technician.
This is not a do-it yourself job.
Do not attempt if you do not have the proper tools or knowledge to install them.