Red Line 60103 SI-1 Complete Fuel System Cleaner - 15 Ounce (2 Pack)
Red Line 60103 SI-1 Complete Fuel System Cleaner - 15 Ounce (2 Pack)
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Red Line 60103 SI-1 Complete Fuel System Cleaner - 15 Ounce (2 Pack)

4.5 stars out of 11 reviews
(4.5)|
11 ratings

Key item features

  • Complete Cleaning: Red Line SI-1 is a complete fuel system cleaner treatment designed for cleaning and preventing corrosion in fuel systems.
  • Powerful Detergents: This fuel additive cleans injectors, carburetors, valves, and combustion chamber deposits using a concentrated blend of high-temp and low-temp detergents.
  • Enhanced Stability: The gas treatment enhances gasoline stability, effectively reducing the build-up of gum and varnish formation.
  • Efficient Treatment: One bottle per tank provides the most effective treatment, achieving nearly 100% cleaning efficiency in a single application.
  • Convenient Packaging: The product is supplied in a 15-ounce size, available as a convenient two-pack.
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Current price is $29.07
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  • Free shipping
  • Free 30-day returns

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Columbus, 43215
Arrives by Mon, Feb 9
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Sold and shipped by R/A Hoerr Incorporated
4.477718360071301 stars out of 5, based on 1122 seller reviews(4.5)
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Red Line 60103 SI-1 Complete Fuel System Cleaner - 15 Ounce (2 Pack)
Red Line 60103 SI-1 Complete Fuel System Cleaner - 15 Ounce (2 Pack)
current price $29.07
Red Line 60103 SI-1 Complete Fuel System Cleaner - 15 Ounce (2 Pack)
4.5 out of 5 Stars. 11 reviews
Red Line 60103 SI-1 Complete Fuel System Cleaner, Cleans and Prevents Corrosion in Fuel Systems, Cleans Injectors, Carburetors, Valve and Combustion Chamber Deposits - 15 Ounce (4 Pack)
Red Line 60103 SI-1 Complete Fuel System Cleaner, Cleans and Prevents Corrosion in Fuel Systems, Cleans Injectors, Carburetors, Valve and Combustion Chamber Deposits - 15 Ounce (4 Pack)
current price $63.88
Red Line 60103 SI-1 Complete Fuel System Cleaner, Cleans and Prevents Corrosion in Fuel Systems, Cleans Injectors, Carburetors, Valve and Combustion Chamber Deposits - 15 Ounce (4 Pack)
4.4 out of 5 Stars. 7 reviews
120ml Multi-Functional Fuel Cleaner – Cleans Fuel System, Removes Carbon Deposits, Enhances Engine Performance, Increases Fuel Efficiency, Ideal for Cars, Trucks, Motorcycles, and All Vehicles.
120ml Multi-Functional Fuel Cleaner – Cleans Fuel System, Removes Carbon Deposits, Enhances Engine Performance, Increases Fuel Efficiency, Ideal for Cars, Trucks, Motorcycles, and All Vehicles.
current price $13.42
120ml Multi-Functional Fuel Cleaner – Cleans Fuel System, Removes Carbon Deposits, Enhances Engine Performance, Increases Fuel Efficiency, Ideal for Cars, Trucks, Motorcycles, and All Vehicles.
Comparison Chart:
Rec. useAutomotiveRed Line 60103 SI-1 Complete Fuel System Cleaner - 15 Ounce (2 Pack)AutomotiveRed Line 60103 SI-1 Complete Fuel System Cleaner, Cleans and Prevents Corrosion in Fuel Systems, Cleans Injectors, Carburetors, Valve and Combustion Chamber Deposits - 15 Ounce (4 Pack)Residential120ml Multi-Functional Fuel Cleaner – Cleans Fuel System, Removes Carbon Deposits, Enhances Engine Performance, Increases Fuel Efficiency, Ideal for Cars, Trucks, Motorcycles, and All Vehicles.
Volume capacity15 ozRed Line 60103 SI-1 Complete Fuel System Cleaner - 15 Ounce (2 Pack)15 fl ozRed Line 60103 SI-1 Complete Fuel System Cleaner, Cleans and Prevents Corrosion in Fuel Systems, Cleans Injectors, Carburetors, Valve and Combustion Chamber Deposits - 15 Ounce (4 Pack)120 mL120ml Multi-Functional Fuel Cleaner – Cleans Fuel System, Removes Carbon Deposits, Enhances Engine Performance, Increases Fuel Efficiency, Ideal for Cars, Trucks, Motorcycles, and All Vehicles.
Container typeBottleRed Line 60103 SI-1 Complete Fuel System Cleaner - 15 Ounce (2 Pack)BottleRed Line 60103 SI-1 Complete Fuel System Cleaner, Cleans and Prevents Corrosion in Fuel Systems, Cleans Injectors, Carburetors, Valve and Combustion Chamber Deposits - 15 Ounce (4 Pack)Bottle120ml Multi-Functional Fuel Cleaner – Cleans Fuel System, Removes Carbon Deposits, Enhances Engine Performance, Increases Fuel Efficiency, Ideal for Cars, Trucks, Motorcycles, and All Vehicles.
Size15 Fl OzRed Line 60103 SI-1 Complete Fuel System Cleaner - 15 Ounce (2 Pack)15 Fl Oz (Pack of 4)Red Line 60103 SI-1 Complete Fuel System Cleaner, Cleans and Prevents Corrosion in Fuel Systems, Cleans Injectors, Carburetors, Valve and Combustion Chamber Deposits - 15 Ounce (4 Pack)120 mL120ml Multi-Functional Fuel Cleaner – Cleans Fuel System, Removes Carbon Deposits, Enhances Engine Performance, Increases Fuel Efficiency, Ideal for Cars, Trucks, Motorcycles, and All Vehicles.
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Customer ratings & reviews

4.5 out of 5 stars
stars11 ratings6 reviews
How item rating is calculated
  1. 5 stars82% (9)
  2. 4 stars9% (1)
  3. 3 stars0% (0)
  4. 2 stars0% (0)
  5. 1 star9% (1)
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Showing 1-3 of 6 reviews

Jan 30, 2026
Robert
Top Reviewer
Sold and shipped byR/A Hoerr Incorporated
5 out of 5 stars review

Verified Purchase

Cheaper in the long run!

This product is a little more expensive than some of the other fuel additives but, as they say, you get what you pay for! I use this cleaner quite frequently.

Helpful?510J8ZPXGWMU2633178184
Jul 4, 2025
rich
Sold and shipped byHappEshopper
5 out of 5 stars review

Verified Purchase

Injector cleaner worked as promoted. Really makes a difference if system has not been cleaned for some time

Helpful?510J8ZPXGWMU2633178184
Mar 12, 2025
Robb
Sold and shipped byHappEshopper
5 out of 5 stars review

Verified Purchase

High PEA Level Cleaner

Best fuel additive on the market, with very high PEA levels.

Helpful?510J8ZPXGWMU2633178184