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Red Line 60103 SI-1 Complete Fuel System Cleaner - 15 Ounce (4 Pack)

4.8 4.8 out of 5 stars 812 ratings

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4 Pack

Purchase options and add-ons

Brand Red Line
Item Form Liquid
Scent Unscented
Specific Uses For Product Fuel System Cleaner
Material Feature Safe for continual use

About this item

  • DESIGNED TO EXCEED EXPECTATIONS: Red Line complete SI-1 fuel system cleaner treatment for cleaning and preventing corrosion in fuel systems
  • PERFORM AND PROTECT: Fuel additive cleans injectors, carburetors, valve and combustion chamber deposits with a powerful, concentrated blend of high-temp and low-temp detergents
  • EFFICIENT FUEL BURN: Gas treatment that enhances gasoline stability, while reducing the build up of gum and varnish formation
  • EASY TO USE: Use one bottle per tank for most effective treatment, additive cleans nearly 100% efficiency in one treatment
  • 15 Ounce (4 Pack)
See more product details

Frequently bought together

$49.95 ($0.83/Fl Oz)
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Sold by Edo Performance and ships from Amazon Fulfillment.
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$26.50
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Sold by AutoLove and ships from Amazon Fulfillment.
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$15.57 ($0.00/Fl Oz)
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Red Line 60103 SI-1 Complete Fuel System Cleaner - 15 Ounce (4 Pack)
Red Line 60103 SI-1 Complete Fuel System Cleaner - 15 Ounce (4 Pack)
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Price-22% $49.95
List:$63.88
$29.99-14% $42.75
List:$49.99
-8% $6.92
List:$7.49
$24.30-10% $33.25
List:$36.99
Delivery
Get it as soon as Monday, Apr 1
Get it as soon as Monday, Apr 1
Get it as soon as Monday, Apr 1
Get it as soon as Monday, Apr 1
Get it as soon as Monday, Apr 1
Get it Apr 1 - 3
Customer Ratings
Easy to use
4.9
3.8
4.6
4.6
4.8
4.8
Mileage
4.6
3.9
4.2
4.2
4.6
4.4
Value for money
4.6
3.7
4.3
4.1
4.5
4.4
Accuracy
4.8
3.5
4.2
Scent
4.4
3.8
4.7
Sold By
Edo Performance
Amazon.com
B and S Supply
Amazon.com
Amazon.com
R/A Hoerr Incorporated
form
Liquid
Liquid
Spray
Liquid
Liquid
scent
Unscented
Unscented
Liqui Moly
Unscented
weight
3.89 pounds
2.7 pounds
75.1 ounces
6 ounces
0.9 pounds
1.83 pounds
volume
425 milliliters
6 fluid ounces
12 fluid ounces
6 fluid ounces
500 milliliters
15 liters

Important information

Ingredients

Distillates, petroleum, hydrotreated light naphthenic, Oxirane, 2-ethyl-, homopolymer, 2-aminoethylethyl tridecyl ether, branched, Distillates, petroleum, hydrotreated heavy naphthenic, Kerosine, petroleum, hydrodesulfurized,Naphtha, petroleum, hydrodesulfurized heavy


From the brand

Product Description

Concentrated, detergent-based fuel additive cleans injectors, carburetors, valves and combustion chamber deposits with a concentrated blend of the most powerful high-temp and low-temp detergents available, 15 Ounce (4 Pack)

Product information

Technical Details

Additional Information

Warranty & Support

Product Warranty: For warranty information about this product, please click here

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Red Line 60103 SI-1 Complete Fuel System Cleaner - 15 Ounce (4 Pack)


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What's in the box

  • Fuel System Cleaner
  • Looking for specific info?

    Customer reviews

    4.8 out of 5 stars
    4.8 out of 5
    812 global ratings

    Customers say

    Customers like the value, quality and mileage of the cleaner. For example, they mention it's the best, it improves gas mileage and that it works great. Customers are also impresseded with the performance, saying that it makes their engines run smoother and has a better response at the throttle.

    AI-generated from the text of customer reviews

    75 customers mention75 positive0 negative

    Customers are satisfied with the quality of the product. They mention that it is a world class injector cleaner, the best fuel system cleaner, and works better than any gas treatment. Customers also say that it does a good job of cleaning fuel injectors, spark plugs, valves, and anything else that needs to be cleaned. Overall, customers are happy with their purchase and recommend it to others.

    "It improved performance." Read more

    "I've been using this product for years. It does a good job of cleaning your fuel injectors, spark plugs, valves and anything else that fuel touches..." Read more

    "...of occasions and it seems to do what is intended to do, help clean out the fuel system in your vehicle...." Read more

    "Great product" Read more

    23 customers mention23 positive0 negative

    Customers are satisfied with the performance of the cleaning agent. They mention that it improves engine performance and mileage, making their cars run smoothly. Some say that the product has a better response at the throttle.

    "...INSTANT RESULTS!! the sputtering had ceased and the car was driving much smoother...." Read more

    "...used it as directed. And the car became a little bit more responsive. But the real indicator is my gas mileage...." Read more

    "All redline products are great. I use this on all my cars and they run smoothly. After over 10 years of use my cars work great...." Read more

    "...I used at 140K on Acura TL and noticed significant power and acceleration differences after 1 week...." Read more

    18 customers mention14 positive4 negative

    Customers appreciate the value of the cleaning agent. They say it is a great product at a reasonable price.

    "Good price for 4 bottles, used before oil changes." Read more

    "...Do the math, it cost nothing for me to use it. Really good buy if you use it this way. Worth trying IMHO." Read more

    "...I think these four packs are the best value, much better than a single use bottle, and just a little more than the 10 bottle case." Read more

    "...a couple bottles per year, which is why this 4-pack is such a great value compared to buying individually/in-store." Read more

    6 customers mention6 positive0 negative

    Customers are satisfied with the mileage of the cleaning agent. They mention that it provides better gas mileage.

    "...450SL and it miracles for the idle, acceleration and gas mileage of the vehicle. I will continue to buy even though the price continues to climb...." Read more

    "...Fuel mileage seems improved a little with each new application. I try to add in smaller doses to each tank of fuel, but often forget...." Read more

    "Value for money, mileage and easy to use" Read more

    "...I was surprised by its results, I am even getting better gas mileage!" Read more

    4 customers mention4 positive0 negative

    Customers are satisfied with the power of the cleaning agent. They mention that it restores acceleration, power, and engine responsiveness within 1 day. Some say that they've been using it for 20 years and that it keeps their vehicle running great.

    "THE BEST fuel system cleaner/solvent EVER.Keeps my old carburetor motorcycles running perfectly even though I don't ride them as much as I..." Read more

    "...in my bmw x3 and driving for 200miles, I can feel the engine becomes smother and more powerful. Seems working😁..." Read more

    "Best FI cleaner I've ever used, been using it 20 years, keeps your vehicle running great" Read more

    "acceleration, power & engine responsiveness restored within 1 week of use..." Read more

    High PEA content and has proven formula!!
    5 Stars
    High PEA content and has proven formula!!
    Best in it's class to clean direct injection or fuel injection deposits. Great consumer following. They make world class injector cleaner and ester based motor oil. These guys throw down the gauntlet of automotive lubrication.
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    Top reviews from the United States

    Reviewed in the United States on March 7, 2024
    Size: 4 PackVerified Purchase
    Reviewed in the United States on March 27, 2022
    Size: 4 PackVerified Purchase
    8 people found this helpful
    Report
    Reviewed in the United States on February 7, 2024
    Size: 4 PackVerified Purchase
    Reviewed in the United States on August 31, 2023
    Size: 4 PackVerified Purchase
    2 people found this helpful
    Report
    Reviewed in the United States on April 3, 2023
    Size: 4 PackVerified Purchase
    2 people found this helpful
    Report
    Reviewed in the United States on February 17, 2024
    Size: 4 PackVerified Purchase
    Reviewed in the United States on January 11, 2024
    Size: 4 PackVerified Purchase
    Reviewed in the United States on March 8, 2024
    Size: 4 PackVerified Purchase

    Top reviews from other countries

    Charlie Worton
    5.0 out of 5 stars Large concentrations of proven cleansers make this product a winner
    Reviewed in Canada on August 19, 2022
    Size: 4 PackVerified Purchase
    4 people found this helpful
    Report
    Laurence Rucker
    5.0 out of 5 stars REDUCES BUILD UP IN FUEL SYSTEM
    Reviewed in Australia on October 28, 2020
    Size: 4 PackVerified Purchase
    Dev
    5.0 out of 5 stars Great product!
    Reviewed in Canada on June 8, 2023
    Size: 4 PackVerified Purchase
    One person found this helpful
    Report
    Sharon Paugh
    4.0 out of 5 stars I instantly noticed a fuel saving and better response in power.
    Reviewed in Canada on February 25, 2023
    Size: 4 PackVerified Purchase
    One person found this helpful
    Report
    Amazon Customer
    5.0 out of 5 stars Great value
    Reviewed in Canada on April 23, 2023
    Size: 4 PackVerified Purchase
    One person found this helpful
    Report