--- product_id: 106534792 title: "8931 Catalytic-System Cleaner, uncoloured" brand: "liqui moly" price: "฿1650" currency: THB in_stock: true reviews_count: 13 category: "Liqui Moly" url: https://www.desertcart.co.th/products/106534792-8931-catalytic-system-cleaner-uncoloured store_origin: TH region: Thailand --- # Improves engine & emissions 5-minute quick action 300ml precision formula 8931 Catalytic-System Cleaner, uncoloured **Brand:** liqui moly **Price:** ฿1650 **Availability:** ✅ In Stock ## Summary > ⚡ Clean smarter, drive cleaner — don’t let engine troubles slow you down! ## Quick Answers - **What is this?** 8931 Catalytic-System Cleaner, uncoloured by liqui moly - **How much does it cost?** ฿1650 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/106534792-8931-catalytic-system-cleaner-uncoloured) ## Best For - liqui moly enthusiasts ## Why This Product - Trusted liqui moly brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Deep-Clean Power:** Special additive blend targets and dissolves stubborn intake and combustion deposits for peak engine health. - • **Fast-Acting Formula:** Works effectively within just 5 minutes, saving you time and hassle during maintenance. - • **Effortless Maintenance:** Simply spray, drive 30 minutes at highway speed, and enjoy smoother, cleaner engine performance. - • **Catalytic System Rescue:** Restores catalytic converter efficiency, reducing emissions and preventing costly repairs. - • **FOMO-Worthy Reliability:** Trusted by thousands with a 4.2-star rating, keeping check engine lights off and smog tests passed. ## Overview LIQUI MOLY 8931 Catalytic-System Cleaner is a 300ml unscented liquid formula designed to clean and remove deposits from your vehicle’s intake and catalytic system. It acts quickly within 5 minutes to improve engine performance, reduce emissions, and prevent costly catalytic converter repairs. Highly rated and easy to use, it’s a must-have for proactive vehicle maintenance. ## Description LIQUI MOLY 8931 Catalytic-System Cleaner 300ml Review: Works like a charm - Get a spray bottle from Home Depot.unplug mass airflow sensor. (The engine will stall if you don’t) remove the hose to get access to the intake. Have someone rev to 300 rpm. Spray the whole bottle. It takes about 5 mins. Reinstall the mass sensor. Clear all the codes.Go drive 30 mins in highway speed. Go to inspection if no light comes on. Good luck Review: Reasonable priced too. - The product seems too work... ## Features - Special combination of additives for cleaning and removal of sediments and typical impurities in the intake system and combustion - Catalytic-system - Item Package Weight: 0.299 kg - Item Package Dimension: 17.6cm L x 5.0cm W x 5.0cm H ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B00XBOFZK2 | | Best Sellers Rank | #28,356 in Automotive ( See Top 100 in Automotive ) #50 in Fuel System Cleaners | | Brand Name | Liqui Moly | | Contains Liquid Contents? | Yes | | Customer Reviews | 4.2 4.2 out of 5 stars (2,384) | | Included Components | no | | Item Form | Liquid | | Item Type Name | Catalytic-System Cleaner | | Item Volume | 300 Milliliters | | Item Weight | 240 Grams | | Manufacturer | LIQUI MOLY | | Material Features | Unscented | | Number of Items | 1 | | Scent | Unscented | | Special Features | Chlorine Reduction | | Specific Uses For Product | Automotive Exterior | | Unit Count | 10.14 Fluid Ounces | ## Product Details - **Brand:** Liqui Moly - **Item Form:** Liquid - **Material Feature:** Unscented - **Scent:** Unscented - **Specific Uses For Product:** Automotive Exterior ## Images ![8931 Catalytic-System Cleaner, uncoloured - Image 1](https://m.media-amazon.com/images/I/61N207u1YjL.jpg) ## Questions & Answers **Q: Can i use this in gas tank instead of intake spray? No harm or damage** A: No, this product not for gas tank **Q: My vehicles reading P0421 has anyone used this product and it help with the code?** A: Used it and it helped with a O2 sensor issue which was giving me the warning light. Eventually had to replace the O2. **Q: Este producto tiene restriccion para transportarlo en avion?** A: Claro que si con demasiado gusto como les parece que pedí ese producto por Amazon en todo momento me decía que estaba en camino pronto iba a llegar y así se la pasó un mes y nunca llegó pero cuando lo ordené en el mismo momento me cobraron de la tarjeta el valor del producto **Q: Does it work for diesel engines?** A: I don’t think so ## Customer Reviews ### ⭐⭐⭐⭐⭐ Works like a charm *by D***E on March 9, 2026* Get a spray bottle from Home Depot.unplug mass airflow sensor. (The engine will stall if you don’t) remove the hose to get access to the intake. Have someone rev to 300 rpm. Spray the whole bottle. It takes about 5 mins. Reinstall the mass sensor. Clear all the codes.Go drive 30 mins in highway speed. Go to inspection if no light comes on. Good luck ### ⭐⭐⭐⭐⭐ Reasonable priced too. *by H***T on April 16, 2026* The product seems too work... ### ⭐⭐⭐⭐⭐ M *by M***E on April 10, 2026* Car good ## Frequently Bought Together - Liqui Moly 8931 Catalytic-System Cleaner, uncoloured - Liqui Moly Catalytic System Clean 300 ml 7110. Cleans The Injection System and The Combustion Chamber. - Liqui Moly 2007 Jectron Gasoline Fuel Injection Cleaner - 300 ml , blue , 10.14 Fl Oz (Pack of 1 ) --- ## 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.co.th/products/106534792-8931-catalytic-system-cleaner-uncoloured](https://www.desertcart.co.th/products/106534792-8931-catalytic-system-cleaner-uncoloured) --- *Product available on Desertcart Thailand* *Store origin: TH* *Last updated: 2026-04-26*