---
product_id: 1674724
title: "Red Line 60103 SI-1 Complete Fuel System Cleaner - 15 Ounce- Fuel Injector Cleaner and Carburetor Cleaner for Corrosion Prevention and Injector, Valve, and Combustion Chamber Deposit Removal"
price: "€ 43.79"
currency: EUR
in_stock: true
reviews_count: 8
url: https://www.desertcart.sk/products/1674724-red-line-60103-si-1-complete-fuel-system-cleaner-15
store_origin: SK
region: Slovakia
---

# 15 oz premium fuel additive boosts engine power & efficiency cleans injectors & valves Red Line 60103 SI-1 Complete Fuel System Cleaner - 15 Ounce- Fuel Injector Cleaner and Carburetor Cleaner for Corrosion Prevention and Injector, Valve, and Combustion Chamber Deposit Removal

**Price:** € 43.79
**Availability:** ✅ In Stock

## Summary

> ⛽ Clean fuel, peak power — don’t let your engine miss out!

## Quick Answers

- **What is this?** Red Line 60103 SI-1 Complete Fuel System Cleaner - 15 Ounce- Fuel Injector Cleaner and Carburetor Cleaner for Corrosion Prevention and Injector, Valve, and Combustion Chamber Deposit Removal
- **How much does it cost?** € 43.79 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/products/1674724-red-line-60103-si-1-complete-fuel-system-cleaner-15)

## Best For

- Customers looking for quality international products

## Why This Product

- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **One-Tank Wonder:** Just one 15 oz bottle per tank delivers nearly 100% cleaning efficiency—fast and hassle-free.
- • **Smooth Operator:** Enhances gasoline stability to reduce gum and varnish buildup, ensuring silky smooth rides every time.
- • **Fuel Economy Booster:** Experience improved mileage and engine performance that your peers will envy.
- • **Corrosion Defense Armor:** Prevents fuel system corrosion, extending engine life and reliability.
- • **Ultimate Fuel System Detox:** Powerful blend targets injectors, carburetors, valves, and combustion chambers for a spotless engine.

## Overview

Red Line 60103 SI-1 Complete Fuel System Cleaner is a 15-ounce premium additive designed to clean and protect your fuel system by removing deposits from injectors, carburetors, valves, and combustion chambers. It prevents corrosion, stabilizes gasoline, and enhances engine performance and fuel economy with just one treatment per tank.

## Description

Buy Red Line 60103 SI-1 Complete Fuel System Cleaner - 15 Ounce- Fuel Injector Cleaner and Carburetor Cleaner for Corrosion Prevention and Injector, Valve, and Combustion Chamber Deposit Removal: Fuel System Cleaners - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

Review: Best fuel injector cleaner on the market - Works very well! Recommended by number of mechanics that did a study! I can tell it cleaned out my injectors, getting more power and better gas mileage!
Review: Great product - I did a little ‘research ’ on fuel additives and which was were best and as advertised. Red Line always came out on top. The chemicals used to clean the fuel system and top end of the engine are very effective. There are some others that are very effective but this led the group. I haven’t had the chance to compare fuel consumption yet but the pickup and idle seems to have improved.

## Features

- DESIGNED TO EXCEED EXPECTATIONS: Red Line complete SI-1 fuel system cleaner is a premium fuel additive, providing an effective fuel treatment solution to clean and prevent 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: A gas treatment that enhances gasoline stability, while reducing the build up of gum and varnish formation, leading to smoother operation and increased power output.
- EASY TO USE: Use one bottle of Redline Fuel System Cleaner per tank for most effective treatment, additive cleans nearly 100% efficiency in one treatment
- ENAHNCED ENGINE EFFCIENCY: Experience improved fuel economy and engine performance with Red Line 60103 SI-1 Complete Fuel System Cleaner, as it effectively removes deposits, for enhanced exhaust system function

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B000CPI5Z0 |
| Best Sellers Rank | #203 in Automotive ( See Top 100 in Automotive ) #2 in Fuel System Cleaners |
| Brand | Red Line |
| Customer Reviews | 4.7 4.7 out of 5 stars (8,539) |
| Date First Available | July 3, 2009 |
| Is Discontinued By Manufacturer | No |
| Item Weight | 1 pounds |
| Item model number | (60103) |
| Manufacturer | Red Line |
| Manufacturer Part Number | 60103 |
| Model | Red Line 60103 SI-1 Complete Fuel System Cleaner - 15 Ounce |
| OEM Part Number | 60103 |
| Position | Center |
| Product Dimensions | 10 x 2.32 x 2 inches |

## Images

![Red Line 60103 SI-1 Complete Fuel System Cleaner - 15 Ounce- Fuel Injector Cleaner and Carburetor Cleaner for Corrosion Prevention and Injector, Valve, and Combustion Chamber Deposit Removal - Image 1](https://m.media-amazon.com/images/I/610jSycppvL.jpg)

## Available Options

This product comes in different **Size** options.

## Questions & Answers

**Q: Can u detail the procedure how to use this product?**
A: Hold bottle in left hand. with right hand, twist cap counter clockwise. Break foil seal on bottle. (if you smoke, put the cigarette out before proceeding further)open gas tank door. remove gas cap (place in a location you remember to reinstall later.)Pour contents into gas tank. Replace gas cap. Drive as normal and it will clean injectors up as you drive. Enjoy a beer (AFTER you drive with enough time in between to sober up.)Call the fellas up and stand around drinking beer while admiring a fine product from Redline. (PEA is the main thing you want to clean things up, which Redline and Techron have the most)//I hope that is detailed enough\\

**Q: Is this product better than the much cheaper STP fuel cleaner**
A: if you buy cheap gas, you might need it.  i get top tier fuel and never had the need for this.  i tried it on a  twice for a 17 y/o honda odyssey.  did nothing. i always use top tier fuel.  also honda V6 is a great motor, as is there 4 cyl so maybe no need for this unless you use cheap gas or have a man engine prone to injector issues

**Q: Will this Redline product damage my 02 sensors with LONG TERM use?  No one seems to address this issue.**
A: Actually, notably, I put this product in a 1997 Toyota Camry a few years ago. The car was over 20 years old and had only had basic crap gasoline (not Top Tier and no fuel system cleaners) in it for its entire life. A few days after I added it, the check engine light DID come on and it WAS a broken O2 sensor. However, I'll do it again in a heartbeat, because a new O2 sensor was $13 and took 10 minutes to replace. So it seems it is possible that using this with an extremely crusty vehicle will cause an O2 sensor error/failure. But with long term use, certainly not. I have been using this in my 2016 Mazda 3 several times a year for 5+ years and it is running like the day I got it.

**Q: diesel engine, LPG engine all use??**
A: Definitely do NOT add this to a diesel or LPG fuel tank or anything else that isn't normal gasoline. However, as someone else said, they do make one for diesel engines. It is Red Line 60302.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Best fuel injector cleaner on the market
*by J***. on February 16, 2026*

Works very well! Recommended by number of mechanics that did a study! I can tell it cleaned out my injectors, getting more power and better gas mileage!

### ⭐⭐⭐⭐⭐ Great product
*by R***S on January 29, 2026*

I did a little ‘research ’ on fuel additives and which was were best and as advertised. Red Line always came out on top. The chemicals used to clean the fuel system and top end of the engine are very effective. There are some others that are very effective but this led the group. I haven’t had the chance to compare fuel consumption yet but the pickup and idle seems to have improved.

### ⭐⭐⭐⭐⭐ Good stuff.
*by N***N on February 20, 2026*

I’ve run just about every type of injection cleaner there is, and this one works the best for me. I ran two bottles through my 120.000 mile Tacoma back to back; and the engine accelerates noticeably smoother now. I plan to run one through my tank at every oil change from now on.

## Frequently Bought Together

- 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
- Liqui Moly 2007 Jectron Gasoline Fuel Injection Cleaner - 300 ml , blue , 10.14 Fl Oz (Pack of 1 )
- Liqui Moly Pro-Line Engine Flush | 500 ml | Oil additive | SKU: 2037

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.sk/products/1674724-red-line-60103-si-1-complete-fuel-system-cleaner-15](https://www.desertcart.sk/products/1674724-red-line-60103-si-1-complete-fuel-system-cleaner-15)

---

*Product available on Desertcart Slovakia*
*Store origin: SK*
*Last updated: 2026-03-18*