CAT Pumps 48752 Ceramic M14 X 47 Plunger For 6DX, 66DX Pumps
CAT Pumps OEM 48752 Ceramic M14 X 47 Plunger For 6DX, 66DX Pumps66DX Parts List: https://www.catpumps.com/sites/default/files/2021-06/66DX30G1I_K_0.pdfParts List 6DX:https://www.catpumps.com/sites/default/files/2020-10/6DX35G1I_A.pdf