Karcher 6.296-103.0 RM 626 Universal Pressure Washer Cleaner – 1 Liter
Genuine Karcher RM 626 universal pressure washer detergent supplied in a convenient 1-liter Plug ’n’ Clean bottle. Designed for general cleaning around the home, garden, garage, and vehicles.
Part Number: 6.296-103.0
Karcher Cleaner: RM 626 Universal Cleaner
Container Size: 1 Liter / approximately 33.8 fluid ounces
Product Type: Pressure washer detergent
Quantity: One 1-liter bottle
Powerful All-Purpose Pressure Washer Soap
Karcher RM 626 Universal Cleaner uses an active dirt-removing formula to help loosen and remove oil, grease, road film, environmental dirt, and stubborn mineral-based deposits. It is suitable for a wide variety of routine outdoor cleaning projects and can provide effective cleaning even when used with cold water.
The bottle is designed for compatible Karcher pressure washers equipped with the Plug ’n’ Clean detergent system. Simply remove the cap and insert the bottle into the machine according to the pressure washer manufacturer’s instructions.
Recommended Cleaning Applications

- Cars, trucks, motorcycles, recreational vehicles, and boats
- Patio furniture and outdoor equipment
- Home siding and exterior surfaces
- Fences, gates, and garden structures
- Walkways, patios, and other water-safe hard surfaces
- General cleaning around the home, garage, and garden
Product Benefits
- Genuine Karcher RM 626 cleaning detergent
- Universal formula for multiple outdoor cleaning projects
- Helps remove grease, oil, dirt, and mineral-containing deposits
- Convenient 1-liter Plug ’n’ Clean container
- Can be used with cold-water pressure washers
- No measuring or transfer bottle required when used in a compatible Plug ’n’ Clean machine
Compatible Karcher Pressure Washers
This cleaner is intended for Karcher pressure washers that accept detergent, including compatible machines equipped with the Karcher Plug ’n’ Clean system. Examples listed by Karcher include:
- Karcher K 2 Power Control Car & Home
- Karcher K 4 Power Control
- Karcher K 5 Power Control
- Karcher K 5 Power Control Car & Home
- Karcher K 5 Premium Smart Control
- Karcher K 5 Premium Smart Control Car & Home
Compatibility Notice: Confirm that your pressure washer is designed to apply detergent before ordering. The Plug ’n’ Clean bottle connection is intended for compatible Karcher machines. Other pressure washers may require detergent to be transferred into their onboard tank or applied through a separate detergent injector.
How to Use
- Review the operating instructions for your pressure washer.
- Apply detergent only through the machine’s approved low-pressure detergent setting.
- Work from the bottom upward on vertical surfaces to reduce streaking.
- Allow the cleaner a brief dwell time, but do not allow it to dry on the surface.
- Rinse thoroughly with clean water from the top downward.
For sensitive, painted, polished, coated, or unfamiliar materials, test the product on a small, inconspicuous area before cleaning the entire surface.
Specifications
| Manufacturer |
Karcher |
| Manufacturer Part Number |
6.296-103.0 |
| Product Name |
RM 626 Universal Cleaner |
| Container Size |
1 liter / approximately 33.8 fl. oz. |
| Approximate Product Weight |
2.2 lb. |
| Approximate Bottle Dimensions |
3.9 × 3.9 × 8.5 inches |
| Country of Manufacture |
Germany |
What You Receive
One genuine Karcher 6.296-103.0 RM 626 Universal Cleaner in a 1-liter Plug ’n’ Clean bottle. Pressure washer, spray gun, hose, and cleaning accessories are not included.
Frequently Asked Questions
Is this a pressure washer detergent?
Yes. RM 626 is formulated for detergent-capable Karcher pressure washers and general outdoor pressure-washing applications.
Can it be used to wash vehicles?
Karcher lists vehicles among the intended applications. Always test painted, wrapped, coated, polished, or previously repaired surfaces before widespread use.
Will the bottle fit every Karcher pressure washer?
No. Direct Plug ’n’ Clean bottle installation requires a compatible Karcher machine. Other models may use a detergent tank, suction hose, or a different application system.
Can this cleaner remove oil and grease?
The formula is designed to help loosen and remove oil, grease, general dirt, and mineral-containing deposits. Results depend on the surface, soil level, water temperature, pressure, dwell time, and cleaning technique.
Is this listing for a case?
No. This listing includes one 1-liter bottle unless a different quantity is specifically selected elsewhere on the webpage.
Important: Product packaging, label design, bottle color, and country-specific markings may change without notice. Displayed images are for reference. Orders are filled according to the manufacturer part number shown in this listing. Always follow the current product label, safety data sheet, and pressure washer operating instructions. Keep out of reach of children.