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Karcher kb4040 are these the piston seals that go in the aluminium casing
3, off seals one for each piston
Answer this Question (1 Answer)
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Chris at eSpares says...
The correct seals are Stock Number: ES538225
Pressure Washer Grooved Piston Ring Stock Number: ES538339
Genuine spare part for select models of Karcher pressure washers
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