techron high mileage fuel system cleaner 6/12oz bottles centered front view of six black angled-neck 12 fl oz (355 ml) bottles with TECHRON blue-and-red labels reading High Mileage Fuel System Cleaner; shown on white background, for restoring power, maximizing fuel economy and stabilizing fuel up to 24 months and often used to help clean carbon buildup in high-mileage engines.
Techron High Mileage Fuel System Cleaner 6/12oz bottles
Hero image 0 of Techron High Mileage Fuel System Cleaner 6/12oz bottles, 0 of 5
TECHRON

Techron High Mileage Fuel System Cleaner 6/12oz bottles

|8 ratings

Smart summary

Generated by AI
  • Restores Engine Power

    Restores Engine Power

    Cleans out carbon build-up to help bring back your car's original performance.
  • Improves Fuel Economy

    Improves Fuel Economy

    Cleans the fuel system to help you get more miles from every tank.
  • Keeps Fuel Fresh

    Keeps Fuel Fresh

    Stabilizes stored gasoline for up to 24 months to prevent engine issues.
  • Includes Six Bottles

    Includes Six Bottles

    Six 12-ounce bottles give you enough supply for multiple regular treatments.

Specifications

  • Restores lost power and performance by removing gum, varnish, and other fuel system deposits.
  • Keeps engines clean, and protects from deposits that rob engine efficiency and reduce fuel economy.
  • Stabilizes fuel for 24 months.
  • Perfect for classic cars and vehicles with infrequent use.
Current price is $44.98
Prices may vary in club and online
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Shipping

Free for Plus on eligible orders over $50
Columbus, 43215
Arrives by Tue, Nov 3
Return or replace anytime.
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About this item

Product details

ehicles with higher mileage accumulation can suffer from the effects of age, including carbon build-up over time and corrosion in the fuel system. That can impact performance and increase maintenance costs. Techron High Mileage Fuel System Cleaner helps keep your engine humming, no matter how many roads your vehicle has traveled.
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Key specifications

Specifications

  • Restores lost power and performance by removing gum, varnish, and other fuel system deposits.
  • Keeps engines clean, and protects from deposits that rob engine efficiency and reduce fuel economy.
  • Stabilizes fuel for 24 months.
  • Perfect for classic cars and vehicles with infrequent use.

Member ratings & reviews

3.9 out of 5 stars
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8 ratings8 reviews
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  1. 5 stars63% (5)
  2. 4 stars13% (1)
  3. 3 stars0% (0)
  4. 2 stars0% (0)
  5. 1 star25% (2)
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Showing 1-3 of 8 reviews

Feb 14, 2026
Reviewer name: Eric
5 out of 5 stars
5 out of 5 stars review

Techron is the best on the market.

Product arrived within two days, which was fantastic. Techron is the best fuel system cleaner I’ve used in my car. I can genuinely tell the difference in performance. Being able to purchase it in a bulk package is a huge plus and makes it even more convenient. Highly recommend!

Helpful?3COFJ0YFXIPD17291858181
Feb 27, 2026
Reviewer name: Larry
5 out of 5 stars
5 out of 5 stars review

Top Tier Product

Happy to see Sam's Club carrying this - it's a highly recommended, top-tier product for cleaning out your engine. My car has 186,000 miles on it, and with vehicle prices so high right now, I used a bottle to help keep the engine clean and (hopefully) extend its life so I can hold off on buying a new car.

Helpful?3COFJ0YFXIPD17291858181
Feb 22, 2026
Reviewer name: Verifieduser
5 out of 5 stars
5 out of 5 stars review

Very Best

My car runs like new! With the money!

Helpful?3COFJ0YFXIPD17291858181
Current price is $44.98
Prices may vary in club and online
How do you want your item?

Shipping

Free for Plus on eligible orders over $50
Columbus, 43215
Arrives by Tue, Nov 3
Return or replace anytime.

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