Cat 43311 - Plunger, M16X77 P/R CC 51, 55, 550 (Call for Pricing)

CAT Pump Replacement Ceramic Plunger

The CAT Pump 43311 is a replacement 16mm x 77mm ceramic plunger for CAT 51, 55, and 550 pumps. Genuine CAT replacement part, guaranteed to fit. Use to replace damaged, missing, worn, or malfunctioning ceramic plunger during maintenance or repairs.