Karcher Piston. Genuine Part no 4.553-181.0 from an authorised Karcher dealer. We can find the exact part for you model using the number from the silver data label that is in the format of 1.xxx-xxx.
The Karcher Pressure Washer Piston 45531810 HD 650 645 HDS 551 558 601 4.553-181.0 is ideal for individuals looking for a sturdy and high-performance piston washer in the 650 PSI range, perfect for commercial and industrial settings.
