Karcher Cartridge Filter for WD 3 Vacuums (2.863-303.0)

Karcher 2.863-303.0 Cartridge Filter to suit WD 3 Vacuums

Name: Karcher 2.863-303.0 Cartridge Filter to suit WD 3 Vacuums
Brand: Karcher
SKU: 2.863-303.0
Price: 52.83 AUD
Availability: InStock

SKU 2.863-303.0

BARCODE 4054278598819

By: Karcher

Save 19%

$65.00

$65.00 - $65.00

$65.00

$52.83

$52.83 - $52.83

$52.83

Availability: This product will be delivered in 3-5 business days

Quantity

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Delivery Notice:

Please allow 3-5 business days for processing before it's ready for delivery or pickup. All standard delivery options still apply.

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Product Description

Karcher Cartridge Filter for WD 3 Wet & Dry Vacuums (2.863-303.0)

Maximize the efficiency and versatility of your cleaning routine with the Karcher Cartridge Filter (2.863-303.0). Engineered specifically as a high-performance replacement filter for the popular Karcher WD 3 series, this advanced wet and dry vacuum filter allows you to seamlessly transition between vacuuming dry dust and sucking up liquid spills without the frustrating need to stop and swap out filters. By trapping fine dust securely within its pleated design, it ensures your machine's motor is protected while expelling cleaner exhaust air back into your workspace.

Using genuine Karcher WD 3 accessories is critical to maintaining the powerful suction and longevity of your machine. Cheap aftermarket filters often clog rapidly or fail to seal properly, allowing hazardous dust to bypass the filter and destroy the vacuum's motor. This authentic Karcher cartridge filter features a robust, tool-free fitting mechanism that allows for incredibly fast installation and removal. Whether you are extracting damp mud from your car's footwells or vacuuming sawdust from a busy workbench, this replacement cartridge filter guarantees uninterrupted, high-suction performance.

Who Is This Cartridge Filter Ideal For?

The Karcher WD 3 Cartridge Filter provides seamless wet/dry transition and excellent filtration. It is highly recommended for:

DIY Enthusiasts & Home Workshops: Vacuuming up dry sawdust, plaster dust, and occasional liquid spills without stopping to change the filter.
Car Detailers & Enthusiasts: Moving smoothly from dry-vacuuming upholstery to extracting damp, shampooed car mats.
Homeowners: Keeping a reliable wet/dry vacuum ready for sudden household emergencies, such as plumbing leaks or flooded laundries.
Current Karcher WD 3 Owners: Upgrading their heavily soiled or damaged original filters to restore factory-level suction power.

Key Features and Performance Benefits:

Seamless Wet & Dry Vacuuming: Innovative pleated material allows you to vacuum both liquids and dry debris without constantly removing or swapping the filter.
High Dust Retention: The massive surface area of the pleated cartridge securely traps fine dust, preventing it from recirculating into the room.
Protects the Vacuum Motor: Acts as a secure barrier, preventing abrasive dirt and moisture from entering and permanently damaging the vacuum's electrical components.
Tool-Free Installation: Designed for effortless maintenance, the filter pushes on and locks securely into place without requiring any specialized tools.
Genuine OEM Reliability: Manufactured to Karcher's strict quality standards, ensuring a perfect, airtight seal inside your WD 3 machine.

Technical Specifications:

Brand: Karcher (Genuine Replacement Part)
Part Number: 2.863-303.0
Filter Type: Pleated Cartridge Filter
Application: Safe for both wet and dry use
Installation: Tool-free push fitting
Compatibility: Specifically engineered for Karcher WD 3 series vacuum cleaners

Restore maximum suction and versatility to your Karcher vacuum. Available for nationwide delivery.

Delivery Information

Dispatch: Items marked as “In stock” or “Ready to be shipped” are usually dispatched within 1 business day after payment is received. If an item is not in stock and ordered from our supplier, please allow 3–5 business days for processing before it is ready for delivery or pickup. All standard delivery options still apply.

Shipping: Delivery costs are calculated at checkout based on your location and order size. Bulky items and chemicals may attract additional freight charges and cannot be sent to PO Boxes.

Delivery: Parcels are delivered by road freight. Authority to leave may be used if no one is available to receive the order. For full details, please see our Shipping & Delivery Policy

Business days to delivery

NSW
City	1 Day
VIC
Melbourne	1 Day
Regional	3–4 Days
QUEENSLAND
Brisbane	1–2 Days
Regional	3–4 Days
SOUTH AUSTRALIA
Adelaide	2–3 Days
Regional	4–5 Days
NORTHERN TERRITORY
All Areas	4–6 Days
WESTERN AUSTRALIA
All Areas	4–6 Days
TASMANIA
All Areas	4–6 Days

Frequently Asked Questions

Can I really vacuum liquids with this filter still inside the machine?

Yes! This specialized Karcher cartridge filter is designed specifically to handle both wet and dry vacuuming. You do not need to remove it when switching from vacuuming dry dust to sucking up a puddle of water.

Will this filter fit my Karcher WD 4 or WD 5?

No, this specific cartridge filter (2.863-303.0) is engineered exclusively for the Karcher WD 3 series. The WD 4 and WD 5 use a different, flat-pleated filter cassette system.

How do I install the cartridge filter?

Installation is completely tool-free. You simply slide the hollow center of the cartridge filter over the filter basket inside the vacuum head, and secure it by pushing the locking clip or twisting the locking knob (depending on your specific WD 3 version).

How often should I clean this filter?

You should check and tap the filter clean after every heavy use. If you notice a drop in the vacuum's suction power, it is a clear sign that the filter's pleats are clogged and require cleaning.

Can I wash this filter with water?

Yes, you can gently rinse the filter under running water to remove heavy dust and mud. However, it is absolutely critical that you allow the filter to dry completely (air dry for 24 hours) before using it to vacuum dry dust again, otherwise the dust will instantly turn to mud and permanently block the pleats.

How often should I completely replace the filter?

For optimal suction and motor protection, Karcher recommends replacing the cartridge filter every 6 to 12 months, depending on how frequently you use the machine and the type of debris you vacuum.

Do I still need to use a paper dust bag if I have this filter?

If you are vacuuming fine, dry dust (like cold ash or sawdust), it is highly recommended to use a Karcher filter bag in combination with this cartridge. The bag catches the bulk of the dirt, keeping this cartridge filter clean and maintaining high suction. Remove the paper bag when vacuuming liquids.

What happens if I use the vacuum with a torn filter?

A torn filter is useless. It will allow dirt, grit, and moisture to bypass the filtration system and get sucked directly into the vacuum's high-speed motor, which will cause catastrophic engine failure.

Is this a genuine Karcher part?

Yes, this is a 100% genuine OEM Karcher replacement accessory, guaranteeing a perfect, airtight fit and superior filtration quality.

Why is my vacuum losing suction even with a new filter?

If your filter is brand new but suction is still low, check the flexible vacuum hose and the floor tool for severe blockages. Also, ensure the vacuum head is clipped down securely onto the canister to prevent air leaks.

Can this filter trap fine plaster dust?

It can filter plaster dust, but because plaster dust is incredibly fine, it will clog the cartridge's pleats very quickly. For massive amounts of fine dust, always pair this filter with a disposable fleece or paper vacuum bag.

Do you offer trade discounts on Karcher consumables?

Yes, Freshway Supplies provides competitive trade and volume pricing for cleaning contractors, tradespeople, and facility managers outfitting their teams with Karcher parts. Contact us for a specialized quote.

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