Gumout All-In-One Complete Fuel System Cleaner Additive, 10 oz
Gumout All-In-One Complete Fuel System Cleaner Additive, 10 oz
Hero image 0 of Gumout All-In-One Complete Fuel System Cleaner Additive, 10 oz, 0 of 6
Overall pick
Visit the Gumout Store

Gumout All-In-One Complete Fuel System Cleaner Additive, 10 oz

608 ratings
Gumout All-In-One Complete Fuel System Cleaner Additive, 10 ozGumout All in One Complete Fuel System Cleaner Additive 10 oz 510016W12 pack Gumout All in One Complete Fuel System Cleaner Additive 10 oz 510016W24 pack Gumout All in One Complete Fuel System Cleaner Additive 10 oz 510016W2 pack Gumout All in One Complete Fuel System Cleaner Additive 10 oz 510016W6 pack Gumout All in One Complete Fuel System Cleaner Additive 10 oz 510016W
Size1
Pack SizeSingle

Key item features

  • Advanced Cleaning: Utilizes P.E.A. (polyether amine) to thoroughly clean GDI/direct and port/indirect fuel injectors, intake valves, ports, piston tops, cylinder heads, and the combustion chamber.
  • Fuel Conditioning: Conditions fuel to actively combat ethanol and water corrosion, while also reducing friction and wear in the upper cylinder.
  • Carbon Prevention: Effectively prevents the future accumulation of carbon deposits throughout the fuel system.
  • Performance Enhancement: Designed to improve overall engine performance and fuel economy in a single fill-up, leading to reduced emissions.
  • Broad Compatibility: Safe for use in turbocharged and supercharged vehicles, oxygen sensor safe, and will not void OEM warranties.
  • Usage Recommendation: Add the entire bottle to a nearly empty gasoline tank at the time of an oil change, then refill with 18 to 35 gallons of gasoline.
  • Maintenance Schedule: Repeat the application every 3,000 miles, coinciding with each oil change, ensuring the tank is near empty before refilling.
Generated by AI
Current price is Now $8.28
You save $2.51
was $10.79
82.8 ¢/fl oz
Price when purchased online
  • Free 90-day returns
Subscribe, Your usuals, on your schedule, Save time and stay stocked!, $8.28
Your usuals, on your schedule
Save time and stay stocked!
One-time purchase $8.28

How do you want your item?

Try 30 days for just $1! Choose a plan at checkout.
How do you want your item?
Ships to
Arrives by Tomorrow
Sold and shipped by Walmart.com
Free 90-day returns
This item is gift eligible

More seller options (6)

Starting from $13.00
walmart plus

Try 30 days of Walmart+ for just $1!

T&C apply.

Continue your search on Walmart

About this item

Product details

Specifications

Directions

Warranty

Warnings

Customer ratings & reviews

4.7 out of 5 stars
stars
608 ratings398 reviews
How item rating is calculated
  1. 5 stars78% (476)
  2. 4 stars14% (83)
  3. 3 stars6% (34)
  4. 2 stars1% (6)
  5. 1 star1% (9)

Reviews summary

Pros

  • : Allows easy pouring into gas tank.
  • : Directions are straightforward and simple.
  • : Improves acceleration and responsiveness with even idle and quieter engine.
  • : Offers great cost efficiency, especially for maintenance and fuel.
Generated by AI
Filtered and sorted results would be available on the new 'Customer ratings & reviews' page.
Sort by |

Showing 1-3 of 398 reviews

Jan 4, 2026
Reviewer name: Erik
Top Reviewer
Item details
Size: 1
Multipack quantity: 1
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Easy to use and gets the job done

This product helped me to get my engine light to go out. It worked perfectly by helping to clean the injectors and the engine is now running great as a result. It was extremely easy to use. Thanks I do recommend this product.

Helpful?7IIPS0CSPW2516888906
Jun 15, 2026
Reviewer name: Stevo
5 out of 5 stars
5 out of 5 stars review

Seller Verified Purchase

Great online experience and great product

First time using Walmart online shopping. Price was great and free shipping. Shipped promptly from stock. Product is well recommended so no issues there.

International review
Review from walmart.ca
Helpful?7IIPS0CSPW2516888906
Oct 12, 2025
Reviewer name: Trevette
Top Reviewer
Item details
Size: 1
Multipack quantity: 1
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Very helpful product

So i would definitely say to get this for your car. I currently drive a Kia K5 and I noticed that this really helps with the gas in the admissions in it and it keeps it keeps it clean in there so it doesn't get all gunky and I feel like my car drives better so I would definitely use this but make sure you put it on an empty tank and I wouldn't use it every time I would do it maybe every time you get like a tuneup you know like it's time for you to go and get your car you know tuned up I would definitely do that around that time so that it's a great attitude for the car and it's inexpensive so it's worth it. I definitely would invest in keep getting this. It's a great product.

Helpful?7IIPS0CSPW2516888906