Engineered to maintain stable water pressure and reliable pump performance, the Karcher 5.550-031.3 Pressure Washer Cylinder Head supports efficient operation in compatible pressure washer models. This component forms a key part of the pump assembly, directing water flow through sealed chambers that generate consistent pressure during cleaning tasks. Its durable construction ensures p... https://www.wholetoolbox.com/karcher-5-550-031-3-pressure-washer-cylinder-head