--- product_id: 311554908 title: "TSI Supercool 39241B-YF Total Leak Stop and U/V Dye, 1 oz (HFC Free BOV Can with 1234yf Adapter, Retail Box)" brand: "tsi supercool" price: "FREE" currency: SGD in_stock: false category: "Tsi Supercool" url: https://www.desertcart.sg/products/311554908-tsi-supercool-39241b-yf-total-leak-stop-and-u-v store_origin: SG region: Singapore --- # 1-can, 1-vehicle easy treatment Stops small AC leaks fast Polymer-free, no clog formula TSI Supercool 39241B-YF Total Leak Stop and U/V Dye, 1 oz (HFC Free BOV Can with 1234yf Adapter, Retail Box) **Brand:** tsi supercool **Price:** FREE **Availability:** ❌ Out of Stock ## Summary > ❄️ Seal the deal on leaks before they seal your fate! ## Quick Answers - **What is this?** TSI Supercool 39241B-YF Total Leak Stop and U/V Dye, 1 oz (HFC Free BOV Can with 1234yf Adapter, Retail Box) by tsi supercool - **How much does it cost?** FREE with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/311554908-tsi-supercool-39241b-yf-total-leak-stop-and-u-v) ## Best For - tsi supercool enthusiasts ## Why This Product - Trusted tsi supercool brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Trusted Performance:** Engineered to Supercool’s highest standards with patented US technology for reliable results. - • **Effortless Application:** Single 1-ounce can treats one vehicle, simplifying maintenance without extra fuss. - • **Safe & System-Friendly:** Polymer-free formula ensures zero damage or clogging to AC components and recovery machines. - • **Eco-Conscious Innovation:** HFC-free patented aerosol technology aligns with modern environmental standards. - • **Precision Leak Detection:** Highly visible U/V dye pinpoints leaks instantly for hassle-free diagnostics. ## Overview The TSI Supercool 39241B-YF Total Leak Stop and U/V Dye is a cutting-edge, polymer-free aerosol treatment designed to quickly stop small leaks in vehicle AC systems. Featuring a highly visible UV dye and patented HFC-free technology, this 1-ounce can with 1234yf adapter offers a safe, eco-friendly, and easy-to-use solution trusted by professionals to maintain peak AC performance without clogging or damage. ## Description TSI Supercool 39241B-YF Total Leak Stop and U/V Dye - "HFC Free" BOV Can with 1234yf Adapter - 1-Ounce - Retail Box is engineered to stop small leaks in evaporators, condensers, hoses, gaskets, and seals. It does not contain polymers, so it will not harm, or clog AC System Components, reclamation, or recovery machines. It offers a no fuss 1-Can treats 1-Vehicle option. It features a patented technology HFC-FREE aerosol. US PATENT NO. 8, 047, 009. Foreign patents pending. ## Features - Engineered To Stop Small Leaks in Evaporators, Condensers, Hoses, Gaskets, and Seals - Features a Formula that Does Not Contain Polymers so it Will Not Harm or Clog AC System Components, Reclamation Or Recovery Machines - Offers a Simple 1-Can Treats 1-Vehicle Option - Features Patented Technology HFC-FREE Aerosol US Patent No. 8, 047, 009. Foreign Patents Pending - Engineered to Supercool' s Highest Standards ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B01981J9DU | | Best Sellers Rank | #3,605 in Automotive ( See Top 100 in Automotive ) #7 in Automotive Air Conditioning Line Repair Tools | | Brand Name | TSI Supercool | | Compatible Material | Rubber | | Customer Reviews | 3.8 3.8 out of 5 stars (398) | | Global Trade Identification Number | 00672264043262 | | Included Components | TSI Supercool 39241B-YF Total Leak Stop and U/V Dye, 1 oz (HFC Free BOV Can with 1234yf Adapter, Retail Box) | | Item Dimensions | 9.4 x 8.6 x 14.7 centimeters | | Item Form | Spray | | Item Type Name | TSI Supercool 39241B-YF Total Leak Stop and U/V Dye, 1 oz (HFC Free BOV Can with 1234yf Adapter, Retail Box) | | Item Weight | 1 Ounces | | Manufacturer | TSI Supercool | | Model | 39241B-YF | | Number of Items | 1 | | Number of Packs | 1 | | Part Number | 39241B-YF | | Style Name | 1234yf Adapter | | UPC | 672264043262 | | Unit Count | 1 Count | ## Product Details - **Brand:** TSI Supercool - **Item dimensions L x W x H:** 9.4 x 8.6 x 14.7 centimeters - **Item form:** Spray - **Item weight:** 1 Ounces - **Style:** 1234yf Adapter ## Images ![TSI Supercool 39241B-YF Total Leak Stop and U/V Dye, 1 oz (HFC Free BOV Can with 1234yf Adapter, Retail Box) - Image 1](https://m.media-amazon.com/images/I/71hJykbeHhL.jpg) ## Available Options This product comes in different **Style** options. ## Questions & Answers **Q: Can you use in home refrigator** A: It only works for HFO1234YF refrigerant **Q: Does this have refrigerant in it?** A: No it does not have refrigerant. **Q: Anybody had success with this?** A: yes, had a leak in the system with a dealer estimate of over 1k to fix. First use of this and leak was fixed **Q: Any tricks to get it to pump inside the system? . It doesn't have enough pressure** A: I'm not aware of any tricks. I think you just have to apply it when the pressure in your system is already pretty low. ## Frequently Bought Together - TSI Supercool 39241B-YF Total Leak Stop and U/V Dye, 1 oz (HFC Free BOV Can with 1234yf Adapter, Retail Box) - ZeroR® Genuine R1234YF in 8oz SSV Cans | 3 Cans with Zeror Service Label --- ## 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.sg/products/311554908-tsi-supercool-39241b-yf-total-leak-stop-and-u-v](https://www.desertcart.sg/products/311554908-tsi-supercool-39241b-yf-total-leak-stop-and-u-v) --- *Product available on Desertcart Singapore* *Store origin: SG* *Last updated: 2026-10-28*