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⛽ Clean fuel, smarter drive — unlock your engine’s hidden potential!
Gumout 510015 Fuel System Treatment is a powerful 6 oz liquid formula designed to remove carbon deposits from fuel injectors, intake valves, and carburetors. It enhances fuel economy by up to 3%, lubricates upper cylinders to reduce engine wear, and prevents future carbon buildup—all without voiding your vehicle’s warranty. Trusted by thousands, it’s the go-to additive for maintaining peak engine performance and maximizing MPG.








| ASIN | B06XF5SC1D |
| Best Sellers Rank | #1,517 in Automotive ( See Top 100 in Automotive ) #89 in Fuel Additives |
| Brand | Gumout |
| Brand Name | Gumout |
| Contains Liquid Contents? | Yes |
| Customer Reviews | 4.5 out of 5 stars 196 Reviews |
| Global Trade Identification Number | 00071948100152 |
| Included Components | Fuel Cleaner |
| Item Form | Liquid |
| Item Type Name | Gumout 510015 Fuel System Trmnt 6 X6 oz. |
| Item Volume | 6 Fluid Ounces |
| Item Weight | 5.44 ounces |
| Manufacturer | Gumout |
| Material Feature | Genetically Modified Organism (GMO) Free |
| Material Features | Genetically Modified Organism (GMO) Free |
| Material Type Free | Dye Free |
| Model Number | 510015 |
| Number of Items | 1 |
| Part Number | 510015 |
| Recommended Uses For Product | Fleet and plant maintenance. |
| Scent | Unscented |
| Size | Pack of 1 |
| Special Features | Residue Free |
| Specific Uses For Product | Engine |
| Surface Recommendation | Metal |
| UPC | 071948100152 |
| Unit Count | 6.0 Fluid Ounces |
J**M
Should of been using this long ago
I literally watch my MPG jump up .3 within one tank, my mpg count after 6000 miles was steady at around 26.5 and after using this stuff and driving around for 1 tank of gas, it jump up to 26.8. I'm literally impressed!
J**E
Review
Item was as described and shipped quickly.
S**N
It's pretty good.
I used to Chevron Techron before I put Gumout to my 2018 HONDA CR-V. reduced engine vibration and improved acceleration.
D**S
Car run better
Very easy to use just pour and go.
W**E
Excellent value for treatment
Fuel my turbo and engine run smooth after adding this... Excellent results
J**J
quality fine product.
keeps vehicle running smooth.
M**H
Very Nice
Very Nice Item and Fast Shipping!
L**5
Cheap
Didn’t make an executive
A**N
ممتاز
حسن اداء المحرك
F**F
ممتاز كل ١٠ الا كيلو
استخدمه كل غيار زيت احط منه بالتانكي وبصراحه جيد بالصرفيه و استجابة الدعسه
S**H
Not bad
Not bad
Z**Y
لايضر ولا ينفع
لم الاحظ اي تغير او نتيجة فعلية
م**ر
مضر بالسيارة علي المدي الطويل
استخدمته مرتين لتنظيف دورة الوقود . بعد 3 اشهر الان اشم رائحة وقود عند توقف السيارة و زادت نسبة صرفية الوقود وهو في الاساس لم يحسن اي شئ . لا انصح به جربته مرتين
Trustpilot
1 month ago
5 days ago