General Pump / Interpump part 51040009 Ceramic Plunger for TP2520J34, P2526J34, TP2530J34 TT9071 & TP2533J34, Series 51 Pumps. 3 required for complete replacement. Diameter Size: 15mm.
Also fits obsolete Sherwin Williams / Graco 824101 Series A and 804531 as well as Obsolete General Pump 190246 (current OEM number TT2020GBF).
Plunger Specs: 15mm x 25mm