Car Pressure Washer Water Filter for K2–K7

Q: Which pressure washer models is this water filter compatible with?

This inline water filter is designed to fit Kärcher K-series pressure washers, specifically the K2 through K7 models. Please check the connection size of your specific model before purchasing to ensure a proper fit.

Q: What does the water filter actually do for my pressure washer?

The filter catches sediment, dirt, and debris from your water supply before it enters the machine. This helps protect internal components, maintain steady water pressure, and extend the overall life of your high-pressure car washer.

Q: How do I know when to clean or replace the filter?

The transparent body makes it easy — simply look at the filter housing during or after use. If you notice visible buildup or a reduction in water flow, it's time to rinse or replace the filter element.

Q: Is installation difficult?

Not at all. The filter connects inline between your water supply hose and the pressure washer inlet. No special tools are needed — just hand-tighten the connections for a secure, leak-free fit.

Car Pressure Washer Water Filter for K2–K7 | 2 or 5 Pack

$16.13 $19.46

Keep Your Pressure Washer Running Clean with This Inline Water Filter

Protect your high-pressure car washing machine from sediment, debris, and impurities with this transparent inline water filter. Designed to connect directly to Kärcher K2–K7 series pressure washers, this compact plastic filter helps extend the life of your machine and maintain consistent water flow for a spotless wash every time.

Key Features

Compatible with K2–K7 Series: Designed to fit popular Kärcher K-series high-pressure washers for a secure, leak-free connection.
Transparent Body: Clear plastic housing lets you monitor filter condition at a glance, so you always know when it's time for a rinse or replacement.
High-Pressure Rated: Handles up to 175 PSI (max pressure <850 kPa) and withstands temperatures up to 140°F — built to handle demanding wash sessions.
Durable Plastic Construction: Lightweight yet sturdy material ensures long-lasting performance even with regular outdoor use.
Compact & Easy to Install: At just 6.4 cm in height, it fits neatly in-line without adding bulk to your setup — no tools required.
Multi-Pack Value: Available in 2-pack or 5-pack options so you always have a spare on hand.

Specifications

Material: Plastic
Height: 6.4 cm
Max Pressure: 175 PSI / <850 kPa
Max Temperature: 140°
Color: Transparent
Country of Origin: Made in China

What's in the Box?

2 or 5 × Car Washer Inline Water Filter (depending on pack selected)

Please Note: Manual measurements may vary by ±0.1–0.5 cm. Please review all product images and specifications carefully before purchasing to confirm compatibility with your washer model.

Frequently Asked Questions

Q: Which pressure washer models is this water filter compatible with?

A: This inline water filter is designed to fit Kärcher K-series pressure washers, specifically the K2 through K7 models. Please check the connection size of your specific model before purchasing to ensure a proper fit.

Q: What does the water filter actually do for my pressure washer?

A: The filter catches sediment, dirt, and debris from your water supply before it enters the machine. This helps protect internal components, maintain steady water pressure, and extend the overall life of your high-pressure car washer.

Q: How do I know when to clean or replace the filter?

A: The transparent body makes it easy — simply look at the filter housing during or after use. If you notice visible buildup or a reduction in water flow, it's time to rinse or replace the filter element.

Q: Is installation difficult?

A: Not at all. The filter connects inline between your water supply hose and the pressure washer inlet. No special tools are needed — just hand-tighten the connections for a secure, leak-free fit.