Compact Unloader Valve Set for Karcher Pressure Cleaners – 4.591-040.0, 2-Pack by | Jul 23, 2026Protect your Karcher pressure cleaner with our Compact Unloader Valve Set. Comprehensive Compatibility: Designed to work seamlessly with Karcher models including G 1800 LB, G 2000 ET, G 2000 MK, G 2500 HT, K 1800 AB, and many more.
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