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🛠️ Keep your engine running like new — don’t let deposits slow you down!
Red Line Oil 60103 Complete SI-1 Fuel System Cleaner is a concentrated, high-performance additive designed to clean fuel injectors, carburetors, valves, and combustion chambers. Featuring a powerful blend of detergents and synthetic upper cylinder lubricant, it enhances engine smoothness and fuel efficiency. Suitable for use with oxygenated fuels, this 15 oz bottle is trusted worldwide for reliable, regular maintenance of gasoline engines.

| ASIN | B000CPI5Z0 |
| Best Sellers Rank | #5,636 in Car & Motorbike ( See Top 100 in Car & Motorbike ) #32 in Petrol Additives |
| Brand | Red Line |
| Brand Name | Red Line |
| Capacity | 6 load |
| Cleaning Agent Formulation | Detergent |
| Container Type | Bottle |
| Contains Liquid Contents? | Yes |
| Country of Origin | USA |
| Customer Reviews | 4.7 out of 5 stars 5,346 Reviews |
| Global Trade Identification Number | 00083522601030, 07262318274969 |
| Item Form | Liquid |
| Item Type Name | oil |
| Item Volume | 443 Millilitres |
| Item Weight | 431 g |
| Manufacturer | red line |
| Model Number | (60103) |
| Net Quantity | 15.00 Count |
| Number of Items | 1 |
| Part Number | 60103 |
| Scent | Unscented |
| Size | 15 count (Pack of 1) |
| Special Features | Concentrated |
| Special Ingredients | synthetic upper cylinder lubricant |
| Specific Uses For Product | Cleans injectors, carburetors, valves and combustion chamber deposits, fuel system cleaning, reduces need for octane Specific Uses For Product Cleans injectors, carburetors, valves and combustion chamber deposits, fuel system cleaning, reduces need for octane See more |
| Surface Recommendation | fuel injectors, carburetors, valves, combustion chambers |
| UPC | 083522601030 |
| Unit Count | 15.00 Count |
| Warranty Description | no warranty available |
N**A
Red line oil
Red Line Oil is genuinely one of the best engine oils I have used. The engine feels noticeably smoother and quieter, especially during acceleration and high-RPM driving. The oil quality feels premium, and I really like the confidence it gives in terms of engine protection and performance. It is definitely on the expensive side, but for someone who cares about long-term engine health and performance, I feel it is worth the extra money. Highly recommended!
S**G
A Must Cleaner For High Mileage Gasoline 4 Wheelers
A good amount of difference felt and smoothness ... A good cleaner to use often ... world wide recognition for this brand... will be buying it frequently.. First time users empty the whole bottle in fuel tank when nearing empty and fill full tank fuel and use the whole fuel up to almost empty before refilling.. and then for regular usage half bottle is enough for one full tank.. IMPORTANT : THIS IS NOT A PERFORMANCE PRODUCT...
A**R
An absolute bliss of an oil, requirement of every engine definitely
An absolute bliss of product. Engine smoothens out completely and can be felt definitive. Used this vehicle for my 15 year old car (Swift), 24 year old bike (Kawasaki 125 cc, two stroke), Jawa 42 and Harley Street 750. Effect was pronounced in all vehicles and is a great product to use. Shall use this product all the time, so shall request the sellers to make available always.Every vehicle can use.....
V**I
May buy it again.. and See ?
Okay I think I am the one who is wring a latest review of this. Well used it on my VW Vento 2011. Added it and filled 60L of Fuel. Ran the vehicle for around 600 KMS. Vehicle was smooth. Dint feel any jerks or so. I dint see any drastic increase in Mileage atleast. It was same as before. May be I may need to use it once again to see the difference. May be so. Not sure should use it again or not. But since it had the highest PEA, hope it did its job which is not visible to the eyes. May use it again and put review here. And the Packaging by STS was Very very Good. Kudos to the team.
S**H
Excellent results for bike
I have used on my bike, every tank full, i used just 3 caps per tank full, for 5 consecutive times, i run an Fi himalayan, the responsiveness is amazing, lowers the machanical sounds and the engine feels really smooth. I recommend this product
R**N
Amazing lubricating action felt for even one ounce of the additive.
Lubricating action is seen immediately. The best way to use is to add quarter bottle into a full tank. BTW I am using it on diesel engines also and saw HP boost and smoothness. As for petrol engines, it is a cracker.
J**I
Good product for Fuel system cleaning on Motorcycles
I have used this product many times, it cleans the FI and engine. Really worthy when you use it on High Rev engines
A**N
Good product.
good product. engine running being smooth after using this. I used it in my Hyundai I10 after 40000 km.
C**D
This works
I buy this regularly and I like buying from Amazon because of next day delivery. I think this product works my engine runs very smooth and responsive and feels like restoring power
N**N
فعال جدا
يعيبه سعره المرتفع ولكن فعال ويصلح للسيارات المركونه بقالها فترة لانظيف البخاخات
J**Z
Efectividad y eficacia.
Este sí tiene los elementos para que realmente ayuden al motor y otros elementos como los inyectores, tiene los materiales que linouan y cuidado con otros que solamente dañan empaques.
P**L
Works really well
Great product, sorted my mini rough idlying. I used a full bottle with half a tank of fuel to get a better concentration.
V**O
Highly recommended for maintenance
Am using additive every 6 months in my BMW, injectors are super clean now, missfire is gone, highly recommend, Red Line only one product with safe components which is not affecting seals and other engine components.
Trustpilot
2 weeks ago
2 months ago