Karcher WD/SE Cartridge Filter - 2.863-303.0

Karcher WD/SE Cartridge Filter

Keeping your vehicle’s interior truly clean comes down to strong, consistent suction. The Karcher WD/SE Cartridge Filter gives your Karcher wet and dry vac the breathing room it needs, so you can pull sand, pet hair, and workshop debris out of carpets and cargo liners—and tackle liquid spills—without stopping to swap filters.

This genuine Karcher cartridge twists in and out in seconds, with no extra clips or tools. It’s engineered for wet and dry vacuuming in one go, helping protect the motor and maintain airflow while trapping fine dust where it belongs. Built for the WD 2 and WD 3 series and also suited to SE 4 spray extraction machines, it’s a customer-fit for WD 1 Compact Battery, WD 2 Plus, WD 2-18, WD 3-18, WD 3 Battery, KWD 1–3, MV 2, MV 3, plus SE 4001 and SE 4002. If you’re running any of these Karcher units in your garage or detail bay, this is the right replacement filter.

Whether you detail your vehicle every weekend or just need a dependable clean-up tool after muddy adventures, this replacement filter saves time and keeps performance high. Pick up a spare so you’re never off the job when the interior needs attention.