Is this compatible with the karcher 440?

I have a K3 and it doesn’t fit.

Can I attach this to a Karcher telescopic jet pipe

Sorry not sure what you mean. I have a Karcher 2.14 + standard kit that it came with. This fits on ok and works surprisingly well.

Can I use this item with a degreasant to clean the engine?

As the foam type cover dries up i don't see any reason why you could not use the foam jet but only the foam not the water spray, but use care always when cleaning the engine as you can damage electrical conections.

Do I add only the concentrated detergent and no water or I need to fill up with water after the detergent? how much detergent and how much water?

Depends on what detergent you are using. Most will come with instructions.What are you using it for? If for car washing I'd recommend ValetPro snow foam, as this foams up well (fill to first bottom marker then the rest warm water).Most work slightly better being topped up with warm water.Karcher's foam lance is ok, does a ok job, but there are better ones out there. With other snow foam you will need to experiment a bit to get it right.

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Kärcher 26431470 FJ6 Foam Jet Nozzle with 0.6 L Capacity Foamer for Pressure Washer Accessory, Multi

Product ID: 47888256

Details

Brand
KÄRCHER
Colour
transparent
EU Spare Part Availability Duration
5 Years
Global Trade Identification Number
Hose length
3 Metres
Item weight
7.1 Ounces

⚡1600 PSI max pressure

💧0.6L foam capacity

🔗Compatible with all Kärcher washers

$57.90

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Description

✨ Elevate your cleaning game with foam power that means business! 💦

LONG TERM RELIABILITY - Backed by 12-month warranty and 5 years EU spare part availability
VERSATILE SURFACE USE - Perfect for cars, motorbikes, glass, stone, and varnished finishes
DEEP CLEANING FOAM POWER - Generates rich foam for spotless surfaces every time
COMPACT LIGHTWEIGHT DESIGN - Easy to handle with a 7.1 oz weight and 18.4 cm wand length for precision
UNIVERSAL KARCHER COMPATIBILITY - Works seamlessly with all Kärcher pressure washers—no guesswork needed

The Kärcher 26431470 FJ6 Foam Jet Nozzle is a premium pressure washer accessory designed to deliver powerful, deep-cleaning foam across multiple surfaces. With a 0.6L tank capacity and compatibility with all Kärcher pressure washers, it offers effortless, professional-grade cleaning for cars, motorbikes, glass, and stone. Lightweight and compact, it supports up to 1600 PSI pressure and comes with a 12-month warranty and 5 years of spare part availability, making it a reliable choice for meticulous cleaning enthusiasts.

Specifications

ASIN	B00HH9QI1C
Best Sellers Rank	898 in Garden ( See Top 100 in Garden ) 1 in Pressure Washer Nozzles
Brand Name	KÄRCHER
Colour	transparent
Country Of Origin	Romania
Customer Reviews	4.4 4.4 out of 5 stars (31,157)
EU Spare Part Availability Duration	5 Years
Global Trade Identification Number	04039784855670
Hose Length	3 Metres
Included Components	1x Snow Foam Lance Nozzle and Bottle
Item Dimensions L x W x H	9.3L x 20.1W x 18.4H centimetres
Item Type Name	Snow Foam Lance Nozzle
Item Weight	7.1 Ounces
Manufacturer	Kärcher
Manufacturer Part Number	2.643-147.0
Manufacturer Warranty Description	12 months manufacturers warranty.
Maximum Pressure	1600 Pound per Square Inch
Model Number	FJ6
Power Source	Corded Electric
Tank Volume	600 Millilitres
Unit Count	1.00 stuk
Wand Length	18.4 Centimetres

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$57.90

Duties & taxes included

In stock

Sold byAmazon USADelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to USA.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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