--- product_id: 53219866 title: "40669 Deep Clean Fuel System Cleaner - 155ml" brand: "lucas oil" price: "€ 31.54" currency: EUR in_stock: false reviews_count: 5 category: "Lucas Oil" url: https://www.desertcart.hr/products/53219866-40669-deep-clean-fuel-system-cleaner-155ml store_origin: HR region: Croatia --- # Eliminates knocking & pinging Reduces NOx emissions Deep cleans entire fuel system 40669 Deep Clean Fuel System Cleaner - 155ml **Brand:** lucas oil **Price:** € 31.54 **Availability:** ❌ Out of Stock ## Summary > 🛠️ Power up your ride with Lucas Deep Clean — because your engine deserves the best! ## Quick Answers - **What is this?** 40669 Deep Clean Fuel System Cleaner - 155ml by lucas oil - **How much does it cost?** € 31.54 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/53219866-40669-deep-clean-fuel-system-cleaner-155ml) ## Best For - lucas oil enthusiasts ## Why This Product - Trusted lucas oil brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Octane Freedom:** No need for higher octane fuel—save money without compromise - • **Knock-Free Drive:** Totally eliminates engine knocking and pinging for smooth rides 🔥 - • **Test-Ready Clean:** Prepares your engine perfectly for emissions testing and inspection - • **Eco-Smart Formula:** Significantly reduces harmful Nitrogen Oxide emissions ♻️ - • **Ultimate Engine Revival:** Deep cleans fuel system & combustion chamber for peak performance ## Overview Lucas Oil 40669 Deep Clean Fuel System Cleaner is a premium 155ml additive designed for petrol engines. It deeply cleans the entire fuel system and combustion chamber, eliminates carbon deposits, prevents knocking and pinging, and reduces nitrogen oxide emissions. Formulated without harmful diesel or kerosene, it enhances engine efficiency and prepares vehicles for emissions tests, making it a must-have for performance-conscious drivers. ## Description Lucas Deep Clean is blended with an exclusive Lucas additive package and specific carrier fluid that contains no diesel fuel, kerosene, or anything else that can be harmful or useless to an engine. It also reduces NOx emissions, eliminates the need for higher octane fuel and deep cleans the entire fuel system and combustion chamber. It is designed for use in petrol engines and delivers a real deep clean that can be used in preparation for any emissions test. Review: No sé si funciono - Pues no me quedo claro si funcionó o no pero si note una respuesta más potente lo que duró el tanque con el botellín este Review: My go to! ## Features - Causes serious eye damage. - Causes skin irritation. - Harmful if inhaled. - Harmful if swallowed. - May cause drowsiness or dizziness. - Toxic to aquatic life with long lasting effects. - Deep cleans the entire fuel system and combustion chamber - Removes carbon deposits totally eliminates knocking and pinging - Reduces Nitrogen Oxide emissions ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B006U5SAI8 | | Best Sellers Rank | 596,260 in Automotive ( See Top 100 in Automotive ) 1,078 in Fuel Systems | | Brand | Lucas Oil | | Brand Name | Lucas Oil | | Container Type | Bottle | | Contains Liquid Contents? | Yes | | Contains liquid contents | Yes | | Country of Origin | USA | | Customer Reviews | 4.7 out of 5 stars 495 Reviews | | Global Trade Identification Number | 00049807106690 | | Included Components | 1x Lucas Oil Deep Clean - 155ml | | Item Type Name | Fuel Additive | | Item Volume | 155 Millilitres | | Item Weight | 127 Grams | | Item volume | 155 Millilitres | | Item weight | 127 Grams | | Manufacturer | Lucas Oil Products Inc | | Model Number | 10669 | | Number of Items | 1 | | Number of items | 1 | | Part Number | 40669 | | Product Warranty | No Warranty | | Size | 155 ml (Pack of 1) | | UPC | 049807406691 | | Unit Count | 155.0 millilitre | | Unit count | 155.0 millilitre | ## Product Details - **Brand:** Lucas Oil - **Contains liquid contents:** Yes - **Global Trade Identification Number:** 00049807106690 - **Item volume:** 155 Millilitres - **Item weight:** 127 Grams - **Manufacturer:** Lucas Oil Products Inc - **Number of items:** 1 - **Package information:** Bottle - **UPC:** 049807406691 - **Unit count:** 155.0 millilitre ## Images ![40669 Deep Clean Fuel System Cleaner - 155ml - Image 1](https://m.media-amazon.com/images/I/71jaiMqWgkL.jpg) ## Questions & Answers **Q: My car only has a ten gallon tank. Would it be safe to add the whole bottle?** A: You can use the whole bottle, or make it go farther buy using half a bottle and two full tanks of gas **Q: You add this to the fuel tank, yes??** A: Yes. Add to a full tank of gas **Q: Does it work in diesels?** A: I would contact the company & ask them. Here is the link to their contact information: https://lucasoil.com/contact **Q: Will this clean fuel injectors ?** A: Works for me. Chevy Malibu. ## Customer Reviews ### ⭐⭐⭐ No sé si funciono *by L***G on 30 December 2019* Pues no me quedo claro si funcionó o no pero si note una respuesta más potente lo que duró el tanque con el botellín este ### ⭐⭐⭐⭐⭐ My go to! *by T***N on 5 December 2025* ### ⭐⭐⭐⭐ Good *by T***L on 28 October 2025* ## Frequently Bought Together - Lucas Oil Deep Clean Fuel System Cleaner, 5.25 Ounce (10669) - Lucas Oil 10003 Fuel Treatment - 1 Quart - Lucas Oil 10977 High Mileage Fuel Treatment - 5.25 Ounce --- ## 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.hr/products/53219866-40669-deep-clean-fuel-system-cleaner-155ml](https://www.desertcart.hr/products/53219866-40669-deep-clean-fuel-system-cleaner-155ml) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-05-26*