Search  for anything...
KÄRCHER

KÄRCHER Multi Purpose Pressure Washer Detergent, Removes Dirt and Grime from Fences, Siding, Patios, Driveways, Sidewalks, Concrete and More, Highly Concentrated, Makes up to 40 gal of Cleaner

  • Based on 5,313 reviews
Condition: New
Checking for the best price...
$18.98 Why this price?

Buy Now, Pay Later

As low as $4 / mo
  • – 4-month term
  • – No impact on credit to apply
  • – Instant approval decision
  • – Secure and straightforward checkout

Ready to go? Add this product to your cart and select a plan during checkout.

Payment plans are offered through our trusted finance partners Klarna, Affirm, Afterpay, Apple Pay, and PayTomorrow. No-credit-needed leasing options through Acima may also be available at checkout.

Learn more about financing & leasing here.

Selected Option

Free shipping on this product

FREE 30-day refund/replacement

To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

Availability: In Stock.
Fulfilled by Amazon
Arrives Monday, Jul 20
Order within 3 hours and 12 minutes
Available payment plans shown during checkout
Protection Plan Protect Your Purchase
Checking for protection plans...

Style: Multi Purpose Cleaner


Features

  • Universal Compatibility: Formulated to work in tandem with your pressure washer, and compatible with most consumer gas & electric power pressure washers
  • The Karcher Promise - Cleaner. Quicker: Karcher's Multi-Purpose Pressure Washer Soap is perfect for cleaning concrete, pavement, driveways, patios, decks, sidewalks, RVs, cars, boats, homes, fencing, and more
  • Highly Concentrated: Make up to 40 gallons of detergent from a single gallon of Karcher's Multi-Purpose Concentrate
  • Check label for instructions: Suitable for pressure washer or foam cannon application, as well as manual use
  • Made in the USA of domestic and imported materials

Description

This concentrated soap formula makes up to 20 gallons of ready to use detergent – you control the amount of dilution. Karcher detergents are specially formulated to work in tandem with your pressure washer to help you clean more quickly. Reduce the amount of time it takes to clean decks, driveways, sidewalks, home siding, patio furniture, fences and more, and clean more thoroughly to boot! Made in the USA and is compatible with all Karcher Home & Garden pressure washers, as well as consumer pressure washers made by other brands.

Is Discontinued By Manufacturer ‏ : ‎ No


Product Dimensions ‏ : ‎ 7.25 x 11 x 4 inches; 8.25 Pounds


Item model number ‏ : ‎ 9.558-144.0


Department ‏ : ‎ Unisex Adult


Date First Available ‏ : ‎ February 10, 2016


Manufacturer ‏ : ‎ Karcher


Best Sellers Rank: #3,520 in Patio, Lawn & Garden (See Top 100 in Patio, Lawn & Garden) #16 in Pressure Washer Accessories


#16 in Pressure Washer Accessories:


Customer Reviews: 4.4 4.4 out of 5 stars (5,313)


Item Form: Liquid


Scent: Fresh


Specific Uses For Product: All-Purpose Cleaning, Car Washing, Fence Cleaning, Siding Washing, Driveway Cleaning, & More


Surface Recommendation: Cars, Fences, Patio Furniture, Siding, Driveways, Heavy Equipment, & More


Special Features: Concentrated, Made in the USA


Contains Liquid Contents?: Yes


Item Volume: 128 Fluid Ounces


Unit Count: 128.0 Fluid Ounces


Number of Items: 1


Item Weight: 8.3 Pounds


Size: 128 Fl Oz (Pack of 1)


Brand Name: KÄRCHER


Global Trade Identification Number: 46


Manufacturer: Karcher


UPC: 036339581446


Model Number: 9.558-144.0


Part Number: 9.558-144.0


Item Type Name: Multi-Purpose Soap


Included Components: Accessory


Material Features: Eco-Friendly


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Monday, Jul 20

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • PayTomorrow Financing
  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Similar Products

Top Amazon Reviews

    • Power-Clean Results Without the Hassle – Seriously Impressive!
Style: Multi Purpose Cleaner
I picked up the Kärcher Multi-Purpose Pressure Washer Detergent and it absolutely delivered beyond expectations. This stuff cuts through dirt, grime, and buildup like it’s nothing—my patio and driveway honestly look almost brand new again. What I love most is how versatile it is. I’ve used it on siding, concrete, and even outdoor furniture, and it works great across the board without any issues. You don’t need to use a ton either—a little goes a long way, which makes it a great value. It works perfectly with my pressure washer and produces a nice, even clean without leaving streaks or residue behind. The whole process felt quicker and easier compared to other cleaners I’ve tried. If you want professional-level cleaning results at home without extra effort, this detergent is a must-have. Highly recommend! ... show more
Reviewed in the United States on April 23, 2026 by Geeta
    • Works well!
Style: Multi Purpose Cleaner
Bought a small pressure washer. Put the cleaner in a bucket with water and it worked wonderfully! I then had a second bucket with clear water and then rinsed the soapy water. Used this method on my deck. My husband used this to wash his car and It worked great!
Reviewed in the United States on May 20, 2026 by Lynn lutz
    • Price
Style: Multi Purpose Cleaner
Worked well ough stains.n to
Reviewed in the United States on May 15, 2026 by Nate
    • Highly Recommend! Cleans, Lasts, Great for Pressure Washers!
Style: Multi Purpose Cleaner
Review Image by JustAGirlStandingHereAskingYouToReadMe
Review Image by JustAGirlStandingHereAskingYouToReadMe
This is for the General Purpose Cleaner for pressure washer! I purchased this when I moved into my new home. I had to get a pressure washer because the outside porch was so dirty, so of course you had to get the soap too! I highly recommend this one. There were a few to choose from but for this price point it worked fantastic! You don’t need a lot of soap to get the job done. I’m aware this also depends on your pressure washer but soap didn’t fall flat-see before and after photos. Thank you. ... show more
Reviewed in the United States on September 3, 2024 by JustAGirlStandingHereAskingYouToReadMe
    • Soap is fine, but delivery could be much improved
Style: Multi Purpose Cleaner
Good product, but left out on my driveway
Reviewed in the United States on May 16, 2026 by Abe Hazbun
    • Not overly harsh or chemical-smelling.
Style: Multi Purpose Cleaner
Why did you pick this product vs others?: This detergent works really well with my pressure washer. I used it on the siding on my house—it cut through dirt and grime without any scrubbing. What I really like is that it’s not overly harsh or chemical-smelling. Great value for the size. If you use a pressure washer and want something that just works without the hassle, I definitely recommend giving this a try. ... show more
Reviewed in the United States on June 26, 2025 by Aleksandr Shmanjov
    • Works great.
Style: Multi Purpose Cleaner
Good price.
Reviewed in the United States on May 4, 2026 by Joe S.
    • Worked well.
Style: Multi Purpose Cleaner
Work well, good quality.
Reviewed in the United States on May 14, 2025 by William M. Bates

Can't find a product?

Find it on Amazon first, then paste the link below.
Checking for best price...