

⛽ Clean fuel, cleaner ride—don’t let deposits slow you down!
Gumout 510021W-6PK Fuel System Cleaner is a concentrated, easy-to-use additive designed to prevent carbon build-up on fuel injectors, carburetors, intake valves, and ports. Safe for turbocharged and supercharged engines as well as oxygen sensors, it helps maintain engine performance, improve fuel economy, and reduce emissions without voiding manufacturer warranties. Ideal for use every 3,000 miles, this 6-pack ensures your vehicle runs efficiently and reliably.








| ASIN | B07RDMLSP9 |
| Best Sellers Rank | #831 in Automotive ( See Top 100 in Automotive ) #8 in Fuel System Cleaners |
| Brand | Gumout |
| Customer Reviews | 4.7 4.7 out of 5 stars (659) |
| Date First Available | May 6, 2019 |
| Item Weight | 6 ounces |
| Item model number | 510021W-6PK |
| Manufacturer | Gumout |
| Manufacturer Part Number | 510021W-6PK |
| Model | 510021W-6PK |
| Product Dimensions | 5.56 x 3.69 x 9 inches |
| Special Features | Concentrated |
M**C
Works well
This is an easy to use product that helps protect your engine and works well with any gasoline engine out there. It is super easy to use, just pour it in the gas tank.
R**.
Seems to work well
Gumout makes good products
A**R
Pretty good &more affordable
I think the seafoam product works a little better, but it's a lot more expensive.
A**R
Gumout
Good buy
S**O
As described
As described
D**E
10/10 will use again
This stuff is AMAZING. One bottle and it cleared up a gummed up carb.
D**P
Arrived Leaking Through Box
Arrived on time but note that several bottles leaked through the box. I ordered these at least a dozen times and this is the first time one arrived leaking. One of the 6 oz bottles leaked out to the bottom of the small diameter neck. All bottles are usable. I use these in my S10 every fill up!
M**L
Worked for me!
I have a 2015 Hyundai Elantra GT with 130,000 miles on it. When my check engine light came on, I was told by a repair shop that my fuel injectors needed to be cleaned.....for $180.00. I didn't want to spend that much, so I did some research and found Gumout fuel injector cleaner and decided to try it. Two days after adding it to a tank of gas, my check engine light went off, and as a real added bonus, my gas mileage improved. I highly recommend this, unless you have an extra $180 to toss to a repairman.
A**M
No comment
J**E
Not as useful as marketed ..
J**S
Pues solo esperar los resultados esperado y prometidos , en mi opinión es poco el resultado
A**D
Product is good but not extremely good. Using with On first fill up good but when ends, from second fill up not like before. I tried almost all the injector cleaner but like like one. This is king https://amzn.to/3rfrWGp
م**.
ممتاز
Trustpilot
2 weeks ago
3 days ago