--- product_id: 10430311 title: "1109-6PK Liquid Copper 'Block Seal' Intake and Radiator Stop Leak - 18 oz., (Pack of 6)" brand: "bar's leaks" price: "825.76 DT" currency: TND in_stock: true category: "Bar's Leaks" url: https://www.desertcart.tn/products/10430311-1109-6pk-liquid-copper-block-seal-intake-and-radiator-stop store_origin: TN region: Tunisia --- # Permanently seals leaks Compatible with all antifreeze types One-step, no draining needed 1109-6PK Liquid Copper 'Block Seal' Intake and Radiator Stop Leak - 18 oz., (Pack of 6) **Brand:** bar's leaks **Price:** 825.76 DT **Availability:** ✅ In Stock ## Summary > 🚗 Seal the deal on leaks before they seal your plans! ## Quick Answers - **What is this?** 1109-6PK Liquid Copper 'Block Seal' Intake and Radiator Stop Leak - 18 oz., (Pack of 6) by bar's leaks - **How much does it cost?** 825.76 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/10430311-1109-6pk-liquid-copper-block-seal-intake-and-radiator-stop) ## Best For - bar's leaks enthusiasts ## Why This Product - Trusted bar's leaks brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Permanent Leak Repair:** Stop coolant loss for good with a powerful liquid copper formula. - • **Effortless Application:** Just pour directly into the radiator—no draining or complicated steps required. - • **Multi-Material Sealant:** Penetrates and seals leaks in plastic, aluminum, cast iron, and more for versatile protection. - • **Fiber-Enhanced Strength:** Advanced fiber additives lock in place to create a durable, long-lasting seal. - • **Universal Coolant Compatibility:** Works seamlessly with all traditional and extended life antifreeze colors and types. ## Overview Bar's Leaks Liquid Copper 'Block Seal' is a professional-grade, one-step coolant leak repair solution that permanently fixes leaks in a wide range of vehicle cooling system components. Compatible with all antifreeze types and requiring no draining, this fiber-reinforced liquid copper formula penetrates plastic, aluminum, and cast iron to deliver a durable, waterproof seal—ideal for cars, trucks, SUVs, and RVs. ## Description Bar’s Leaks® Liquid Copper™ Block Seal Coolant Leak Fix Stop Leak seals larger leaks regular stop leaks won’t. One step formula permanently repairs coolant loss problems on cars, trucks, vans, SUV’s and RV’s. Antifreeze compatible sodium silicate liquid glass penetrates large and small leaks in plastic, aluminum and cast iron heads, blocks, intake manifold & gaskets, freeze plugs, heater cores and radiators. Fiber additives lock together with liquid to increase strength and promote a permanent seal. It will not harm the coolingsystem when used properly, no draining is required. Use with ALL types of traditional or extended life coolant including yellow, orange, pink, red, blue, purple and green silicate based & non-silicate based (OAT/HOAT) 50-50 mix antifreeze, and/or water. ## Features - PERMANENTLY FIXES COOLING SYSTEM LEAKS: . One step formula permanently repairs coolant loss problems on cars, trucks, vans, SUV’s and RV’s. - ANTIFREEZE COMPATIBLE - NO DRAINING REQUIRED: Antifreeze compatible sodium silicate liquid glass penetrates large and small leaks in plastic, aluminum and cast iron heads, blocks, intake manifold & gaskets, freeze plugs, heater cores and radiators. - ONE STEP - POUR DIRECTLY INTO RADIATOR - EASY TO USE: Fiber additives lock together with liquid to increase strength and promote a permanent seal. It will not harm the coolingsystem when used properly, no draining is required. - USE WITH ALL TYPES OF TRADITIONAL OR EXTENDED LIFE COOLANT: Use with ALL types of traditional or extended life coolant including yellow, orange, pink, red, blue, purple and green silicate based & non-silicate based (OAT/HOAT) 50-50 mix antifreeze, and/or water. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B00BYS6T98 | | Brand Name | Bar's Leaks | | Color | clear | | Compatible Material | Glass | | Customer Reviews | 4.3 4.3 out of 5 stars (1,509) | | Global Trade Identification Number | 10046087011093 | | Included Components | (6) Liquid Copper 'Block Seal' Intake and Radiator Stop Leak | | Item Dimensions | 2.6 x 2.6 x 7.4 inches | | Item Form | Liquid | | Item Type Name | Liquid Copper 'Block Seal' Intake and Radiator Stop Leak (Pack of 6) | | Item Weight | 1.3 Pounds | | Manufacturer | Bar's Leaks | | Material Type | Copper, Glass | | Model | 1109-6PK | | Number of Items | 6 | | Part Number | 1109-6PK | | Style Name | Compact | | Unit Count | 6.0 Count | | Warranty Description | See manufacturer | | Water Resistance Level | Waterproof | ## Product Details - **Brand:** Bar's Leaks - **Item Weight:** 1.3 Pounds - **Item dimensions L x W x H:** 2.6 x 2.6 x 7.4 inches - **Material:** Copper, Glass - **Style:** Compact ## Images ![1109-6PK Liquid Copper 'Block Seal' Intake and Radiator Stop Leak - 18 oz., (Pack of 6) - Image 1](https://m.media-amazon.com/images/I/71Punx5e8fL.jpg) ## Available Options This product comes in different **Size** options. ## Frequently Bought Together - Bar's Leaks 1109-6PK Liquid Copper 'Block Seal' Intake and Radiator Stop Leak - 18 oz., (Pack of 6) - Bar's Leaks Liquid Aluminum Radiator and Heater Core Stop Leak. 6 Pack,1186-6PK --- ## 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.tn/products/10430311-1109-6pk-liquid-copper-block-seal-intake-and-radiator-stop](https://www.desertcart.tn/products/10430311-1109-6pk-liquid-copper-block-seal-intake-and-radiator-stop) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-08-07*