--- product_id: 297900581 title: "MANNOL 9201 Catalytic System Cleaner | Exhaust system cleaner | Cleans oxygen sensors | Improves fuel efficiency | Catalytic converter cleaner | Imported From Germany(500ml)" price: "€ 20.27" currency: EUR in_stock: false reviews_count: 1 url: https://www.desertcart.hr/products/297900581-mannol-9201-catalytic-system-cleaner-exhaust-system-cleaner-cleans-oxygen store_origin: HR region: Croatia --- # Boosts fuel efficiency Removes carbon deposits Cleans valves & piston rings MANNOL 9201 Catalytic System Cleaner | Exhaust system cleaner | Cleans oxygen sensors | Improves fuel efficiency | Catalytic converter cleaner | Imported From Germany(500ml) **Price:** € 20.27 **Availability:** ❌ Out of Stock ## Summary > ⚡️ Unlock your engine’s hidden potential with every drop! ## Quick Answers - **What is this?** MANNOL 9201 Catalytic System Cleaner | Exhaust system cleaner | Cleans oxygen sensors | Improves fuel efficiency | Catalytic converter cleaner | Imported From Germany(500ml) - **How much does it cost?** € 20.27 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/297900581-mannol-9201-catalytic-system-cleaner-exhaust-system-cleaner-cleans-oxygen) ## 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 - • **Sensor Revival:** Restores oxygen sensor accuracy to optimize combustion and emissions. - • **Power Unleashed:** Reduces exhaust resistance, bringing back your engine’s original power. - • **Deep Carbon Detox:** Eradicates stubborn carbon & tar buildup for a cleaner engine core. - • **Fuel Efficiency Boost:** Improves mileage by enhancing fuel combustion and system cleanliness. - • **German Engineering Excellence:** Imported from Germany, trusted for precision and reliability. ## Overview MANNOL 9201 Catalytic System Cleaner is a premium 500ml formula imported from Germany that cleans valves, piston rings, catalytic converter cells, and oxygen sensors. It removes carbon deposits and tar, restoring engine power and improving fuel efficiency, making it ideal for high-mileage and older vehicles seeking a performance refresh. ## Description Product Description Cleans key engine components such as valves, piston rings, catalytic converter cells, and exhaust systems from carbon deposits, tar, and other residues; Effectively removes carbon deposits from the combustion chamber walls and piston ring grooves, preventing future accumulation; Extends the service life of the catalytic converter and the entire exhaust system. Review: Best product of mannol. - Really nice product, used in my 15 year old tata manza petrol as per the guidelines. Engine is now very very quiet and extremely responsive when throttled. It feel like engine breathe easy. No fuse easy to use get results. Now will have to observe how long does the effects last. Highly recommend for high mileage old engines. ## Features - Cleans valves, piston rings, and catalytic converter cells, as well as the exhaust system, from carbon deposits, tar, and other residues; - Removes carbon deposits from combustion chamber walls and piston ring grooves, preventing future buildup; - Cleans oxygen sensor electrodes (lambda probe), improving sensor performance; - Restores original engine power by reducing hydrodynamic resistance in the exhaust system; - Imported From Germany ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0744LYJ84 | | Assembly Required | No | | Best Sellers Rank | #105,243 in Car & Motorbike ( See Top 100 in Car & Motorbike ) #574 in Cleaning Kits | | Brand | MANNOL | | Customer Reviews | 4.2 4.2 out of 5 stars (114) | | Date First Available | 4 February 2021 | | Generic Name | Catalytic System Cleaner | | Importer | Kyte International, SRR Nagar, Tirunelveli-627358, Tamil Nadu, Ph:09488219911 | | Item Dimensions LxWxH | 11 x 6 x 19 Centimeters | | Item Weight | 500 g | | Item model number | 9201 | | Manufacturer | MANNOL | | Manufacturer Part Number | 9201 | | Model | Catalytic System Cleaner | | Net Quantity | 1.0 Count | | Outer Material | other | | Packer | MANNOL- GmbH feldstrasse,154 22880 Wedel/Hamburg Germany | | Product Dimensions | 11 x 6 x 19 cm; 500 g | | Volume | 0.5 Litres | ## Images ![MANNOL 9201 Catalytic System Cleaner | Exhaust system cleaner | Cleans oxygen sensors | Improves fuel efficiency | Catalytic converter cleaner | Imported From Germany(500ml) - Image 1](https://m.media-amazon.com/images/I/61epk0S5iiL.jpg) ## Questions & Answers **Q: How to use this ?** A: Hi Please find the instruction below. Connect the injection device to the cylinder. Insert (stick) its needle into the rubber hose of the engine air intake and hang the balloon upside down (for example, by the edge of the raised hood) as a dropper. Turn on the flow of funds. Allow the engine to idle at 1500 rpm for approximately 30-45 minutes. Do not allow the engine to overheat. If the exhaust manifold starts to glow red (due to high temperature), stop cleaning immediately. **Q: Is it comes with injection system?** A: Yes ## Customer Reviews ### ⭐⭐⭐⭐⭐ Best product of mannol. *by B***. on 2 June 2025* Really nice product, used in my 15 year old tata manza petrol as per the guidelines. Engine is now very very quiet and extremely responsive when throttled. It feel like engine breathe easy. No fuse easy to use get results. Now will have to observe how long does the effects last. Highly recommend for high mileage old engines. ## Frequently Bought Together - MANNOL 9201 CATALYTIC SYSTEM CLEANER - Professional O.E.M. Edition - MANNOL 9990 Oil Additive Motor Doctor Oil Additive | Designed To Increase Oil Pressure And To decrease Oil Consumption In Engines - 350 ml - HTE MANNOL 9981 Petrol Injector Cleaner – Gasoline Fuel Injection System Cleaner Additive 1x 300ml – Germany --- ## 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/297900581-mannol-9201-catalytic-system-cleaner-exhaust-system-cleaner-cleans-oxygen](https://www.desertcart.hr/products/297900581-mannol-9201-catalytic-system-cleaner-exhaust-system-cleaner-cleans-oxygen) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-04-24*