Karcher Cylinder Head 4.551-159.3
This is a genuine spare part to fit select models of Karcher pressure washers.
If your Karcher isn't reaching high pressure, and you've noticed the trigger is "pulsing" this could mean you need to replace the cylinder head.
If this is the case with your machine than this high quality cylinder head is the perfect replacement part to get your pressure washer back to its best.
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