Part Number: 8.753-512.0, 16 mm U-Seal Kit Fits Karcher, Landa, Legacy Pumps Cross Reference Part Number(s): 87535120Included in this U Seal Kit are the following components: 3 high pressure U-Seals, 3 low pressure U-Seals, 3 Teflon support rings, 6 seal support backing rings and 3 O-rings.THIS KIT DOES NOT INCLUDE BRASS PRESSURE RING OR BRASS INTERMEDIATE RING. If the brass pressure or intermediate rings show sign of damage or wear, please purchase a Complete Seal Kit.For use with Karcher Pump Models: KX5450Landa Pump Models: LX5450Legacy Pump Models: GX5450L, GX5450R