--- product_id: 62701243 title: "Liqui Moly Radiator Stop Leak | 250 ml | Cooler additive | SKU: 20132" brand: "liqui moly" price: "$32.94" currency: USD in_stock: true reviews_count: 13 category: "Liqui Moly" url: https://www.desertcart.us/products/62701243-liqui-moly-radiator-stop-leak-250-ml-cooler-additive-sku store_origin: US region: United States of America --- # Universal cooling system compatibility Fast-acting sealant Protects combustion chamber Liqui Moly Radiator Stop Leak | 250 ml | Cooler additive | SKU: 20132 **Brand:** liqui moly **Price:** $32.94 **Availability:** βœ… In Stock ## Summary > πŸ› οΈ Seal leaks fast, drive worry-free β€” your radiator’s best defense! ## Quick Answers - **What is this?** Liqui Moly Radiator Stop Leak | 250 ml | Cooler additive | SKU: 20132 by liqui moly - **How much does it cost?** $32.94 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/62701243-liqui-moly-radiator-stop-leak-250-ml-cooler-additive-sku) ## 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 - β€’ **Engine-Safe Formula:** Prevents coolant admission damage to the combustion chamber without clogging or sludge buildup. - β€’ **Instant Leak Sealing:** Stops minor radiator leaks within minutes, saving you costly repairs and downtime. - β€’ **Compact & Ready-to-Use:** 250 ml twist-on bottle designed for easy application and emergency garage readiness. - β€’ **Universal Compatibility:** Works seamlessly with all cooling water and heating systems, including those with water filters. - β€’ **Trusted Brand Reliability:** Backed by Liqui Moly’s proven quality and a 4.5-star rating from over 600 users. ## Overview Liqui Moly Radiator Stop Leak is a premium 250 ml additive that quickly and effectively seals small leaks in car cooling systems. Compatible with all coolant types and heating systems, it protects the combustion chamber from damage without clogging or residue. Trusted by thousands, this fast-acting formula extends radiator life and prevents costly repairs, making it an essential emergency fix for every vehicle owner. ## Description Small leaks caused by stone impacts, porous soldering points and hairline cracks in the cooling system can be easily stopped (in addition to leaks not easily seen, by noticing decreasing coolant reservoir levels after rides). ## Features - LIQUI MOLY Radiator Stop-Leak completely seals such leaks immediately with ease - Secures the combustion chamber from damages caused by coolant admission - For all cooling water and heating systems with and without water filters ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B076ZP45Z5 | | Automotive Fit Type | Universal Fit | | Best Sellers Rank | #23,175 in Automotive ( See Top 100 in Automotive ) #4 in Radiator Sealers | | Brand | Liqui Moly | | Brand Name | Liqui Moly | | Closure Type | Twist-On | | Color | Silver | | Compatible with Vehicle Type | Car, Truck, Van | | Customer Reviews | 4.5 out of 5 stars 622 Reviews | | Exterior Finish | Stainless Steel | | Included Components | RADIATOR ADDITIVE | | Item Type Name | Radiator Stop Leak | | Manufacturer | Liqui Moly | | Manufacturer Part Number | 20132 | | Manufacturer Warranty Description | Warranty | | Material | Plastic | | Material Type | Plastic | | Model Number | 20132 | | Style | Modern | | Style Name | Modern | | Unit Count | 1.0 Count | | Vehicle Service Type | Car, Truck, Van | ## Product Details - **Brand:** Liqui Moly - **Color:** Silver - **Exterior Finish:** Stainless Steel - **Material:** Plastic - **Vehicle Service Type:** Car, Truck, Van ## Images ![Liqui Moly Radiator Stop Leak | 250 ml | Cooler additive | SKU: 20132 - Image 1](https://m.media-amazon.com/images/I/615O9mE1UiL.jpg) ![Liqui Moly Radiator Stop Leak | 250 ml | Cooler additive | SKU: 20132 - Image 2](https://m.media-amazon.com/images/I/81hHLNGQXgL.jpg) ## Available Options This product comes in different **Size** options. ## Questions & Answers **Q: Have a water cooled 279cc Scooter, will this help a small leak that cant be found?** A: I used this in a semi truck radiator and it worked great **Q: How many bottles do you need for a 11 gallon cooling system** A: I put 4 bottles in 10 gal system which was plenty **Q: Will this be suitable for a 2017 bmw 330i?** A: Yes, I had a temp sensor on my 545 bmw and it sealed it up in under a week was not a leak more like a seep, also theses v8 engines tend to leak at the coolant pipe that pass through the block . used it to maintain the seals also to stop possible future leaks. Dan **Q: Will this work for the coolant transfer pipe?** A: No. If the coolant transfer pipe has a pin hole in it this will not work. The coolant transfer pipe will need to be replaced. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by A***R on July 27, 2025* ### ⭐⭐⭐⭐⭐ Review *by M***S on August 13, 2024* ### ⭐⭐⭐⭐⭐ Review *by R***E on February 18, 2026* ## Frequently Bought Together - Liqui Moly Radiator Stop Leak | 250 ml | Cooler additive | SKU: 20132 - Liqui Moly Radiator Cleaner | 300 ml | Cooler additive | SKU: 2051 - Liqui Moly MoS2 Anti-Friction Engine Treatment | 300 ml | Oil additive | SKU: 2009 --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.us/products/62701243-liqui-moly-radiator-stop-leak-250-ml-cooler-additive-sku](https://www.desertcart.us/products/62701243-liqui-moly-radiator-stop-leak-250-ml-cooler-additive-sku) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-05-16*