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⚙️ Unlock your engine’s hidden power with every flush!
STP GST62450EN06 Engine Flush is a 450 ml professional-grade treatment designed for petrol and diesel engines. Trusted for over 60 years, this scientifically formulated flush neutralizes harmful acids, removes sludge and deposits, and restores engine efficiency. Compatible with all engine types and oils, it’s recommended for use at every oil change to maintain optimal engine health and performance.






| Automotive Fit Type | Universal Fit |
| Brand | STP |
| Liquid volume | 450 Millilitres |
| Number of Packs | 1 |
| Package information | Bottle |
| Vehicle service type | ATV, Car, Motorcycle, Truck, UTV |
A**R
Brilliant
Outstanding. Used on Lawnmower with at least 1cm of sludge in bottom. Used 100ml and cleared after 15 minutes run time.
B**L
Happy with the result.
This made the goopy stuff come out of my engine after being sat still for extended period. I was warned that using this type of product doesn't come without risk. The goopy stuff may be what's holding the engine together. In the end, I had no problems after using but have heard stories about leaks caused afterwards.
J**C
Works well
Seems to work well. I'll be trying it in my diesel engine next
P**Y
Don't leave in engine Dr's. I did and it cost me an engine when it sludged and blocked pipes.
Great product when used right be sure to drop oil soon as it says
D**.
Great value engine flush
Great price for this 450ml of engine flush, great service and fantastic fast delivery. Thank you! Trust this seller.
M**E
Clean out well
Good engine flush.
M**Y
I would not recommend using this on a car any older than 4 ...
Is very effective, maybe a little too effective it wore away at seals causing oil leaks. I would not recommend using this on a car any older than 4 years.
S**E
DID WHAT IT SAID ON THE TIN
DID WHAT IT SAID ON THE TIN
G**E
Awesome product
Delivered just in time. Used in 2013 Yamaha fazer 150 (not well maintained.) with shell advance ax7..the bike feels really very much smoother than ever before.. Drastic pickup difference... Felt smoothness and much responsive just after using this product and changing engine oil.... Highly recommended for unmaintaied bikes. it is works for my bike.. Haven't checked millage.. At present my bike gives 35kmpl...I'm not sure whether it helps in increasing milage.. Since it removes some of the resistance it seems to increase milage.. But haven't tested it.. I'll update milage in few days...
ا**ي
ممتاز
تم تجربته يغسل المكينه من الداخل
Ç**N
Mükemmel
Herkese tavsiye ederim
S**Y
Use it before charging the oil directly, keep the engine on for 15 minutes
Very effective, cleaned the entire engine from carbon
A**L
ممتاز
ممتاز و بينضف الماتور فعلاً
Trustpilot
2 weeks ago
3 days ago