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⚡ Drive cleaner, drive smarter — fuel your engine’s future today!
Lucas Oil 40512 Deep Clean Fuel System Cleaner is a 473ml concentrated, biobased liquid designed to deep clean petrol engine fuel systems and combustion chambers. It removes carbon deposits, eliminates engine knocking, boosts fuel efficiency, and reduces NOx emissions, all while using a safe, citrus-scented formula free from harmful additives.






| Asin | B003JTYGPO |
| Best Sellers Rank | 64,035 in Automotive (See Top 100 in Automotive) 321 in Fuel Systems |
| Brand Name | Lucas Oil |
| Capacity | 454 g |
| Contains Liquid Contents | Yes |
| Country Of Origin | USA |
| Customer Reviews | 4.6 4.6 out of 5 stars (1,384) 4.6 out of 5 stars |
| Global Trade Identification Number | 00049807105129 |
| Item Form | Liquid |
| Item Volume | 473 Millilitres |
| Item Weight | 170 Grams |
| Manufacturer | Lucas Oil Products Inc |
| Material Features | Biobased |
| Material Type Free | No_Material_Type_Free |
| Model Number | 10512 |
| Number Of Items | 1 |
| Part Number | LUCA10512 |
| Scent | Citrus |
| Size | 473 ml (Pack of 1) |
| Special Features | Concentrated |
| Specific Uses For Product | Engine |
| Surface Recommendation | Metal |
| Unit Count | 473.0 millilitre |
| Upc | 049807805128 049807405120 |
User
What's important to you?
I was somewhat sceptical about any of these snake oils for cars actually working but this does seem to improve performance and fuel economy having used it a couple of times. I'm no expert and couldn't tell you facts and figures derived from extensive research but I know how my car drives and there is an improvement albeit slight. I would probably have to keep using this on a long term regular basis to see anything better happening but I have no idea if the extra expense makes it viable. I guess it might improve the life of the engine overall so if you are planning on keeping the car for a long time it could be peace of mind for you.
User
Everyone should use this..
Car running much better now
User
Buy again
Does what it says on the bottle very effective at a good price
User
Good product
My car was running badly, rough idle, lack of power etc. I changed the plugs which made a bit of difference, they were worn though.Bought some of this and put in petrol tank. Also cleaned out the inlet manifold and used this with a brush to clean the butterfly valve. Poured a bit neat into the valve and put it all back together. Set off down the road and opened it up, big puff of white smoke. Anyway car is much better since, just hope my antics haven't damaged the catalytic converter. Good product. Idle still not perfect, thing I'll do the air filter next.
User
Great Product.
very pleased with this purchase, sellor prompt no issues arrived ahead of time. No issues with the product or the P&P. The car felt and ran so much more smoothly
User
Five Stars
Does as it's stated.
User
Five Stars
All fine!
User
Three Stars
saw a bit of a difference, use in conjunction witj 10020 fuel treatment.
User
Works very well and quickly.
Works very well. 2018 Toyota Highlander became a little hesitant while merging on the freeway. One bottle easily put in the tank eliminated the hesitancy.
User
رائع
قوي
User
Quita el mal olor del escape
Cantidad y precio correctos para lo que hay. Lo.eché en el tanque de minxohce gasolina, de unos 45 litros y cuertamente se quitó un poco es típico olor al arrancarlo un poco fuerte del tubo de escape. Cada año li usaré para un mantenimiento. Lo veo bien!
User
Awsome
So great just as described
User
Good
Good
Trustpilot
3 weeks ago
3 days ago