---
product_id: 473668717
title: "Bar's Leaks Block Seal Liquid Copper Intake & Radiator Stop Leak 18 oz"
brand: "Bar's Leaks"
price: "A$30"
currency: AUD
in_stock: true
url: https://www.desertcart.com.au/products/473668717-bars-leaks-block-seal-liquid-copper-intake-and-radiator-stop
store_origin: AU
region: Australia
---

# Bar's Leaks Block Seal Liquid Copper Intake & Radiator Stop Leak 18 oz

**Brand:** Bar's Leaks
**Price:** A$30
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** Bar's Leaks Block Seal Liquid Copper Intake & Radiator Stop Leak 18 oz by Bar's Leaks
- **How much does it cost?** A$30 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.au](https://www.desertcart.com.au/products/473668717-bars-leaks-block-seal-liquid-copper-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

## Description

Bar’s Leaks® Liquid Copper™ Block Seal Intake & Radiator 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 cooling system 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.  Item:  1109   Bar's Leaks Block Seal Liquid Copper Intake Radiator Stop Leak 18 oz  Permanently Fixes Cooling System Leaks  Antifreeze Compatible-No Draining Required             Compatible With All Types of 50/50 Mix Antifreeze  One Step-Pour Directly Into Radiator-Easy To Use  Use With ALL Types of Traditional or Extended Life Coolant

## Images

![Bar's Leaks Block Seal Liquid Copper Intake & Radiator Stop Leak 18 oz - Image 1](https://i5.walmartimages.com/asr/f9e738c4-321f-413e-b59e-0b580ec71a9a_1.87bfc61ef92b2fc3fa01bd565ce60a35.jpeg)
![Bar's Leaks Block Seal Liquid Copper Intake & Radiator Stop Leak 18 oz - Image 2](https://i5.walmartimages.com/asr/3e43a398-5442-4968-97df-62d60af21909.d858cf081ea9d41c7ce5faf5632a62f5.png)
![Bar's Leaks Block Seal Liquid Copper Intake & Radiator Stop Leak 18 oz - Image 3](https://i5.walmartimages.com/asr/1a8d8290-b973-4a72-ad0d-cb689159d997_1.6e1de89901d1a2ca311bf6b8c6dc8a98.jpeg)
![Bar's Leaks Block Seal Liquid Copper Intake & Radiator Stop Leak 18 oz - Image 4](https://i5.walmartimages.com/asr/ff6ea794-7cf0-401f-bd59-d27fbd776151.3f700840ada7c2b2f20110f5121d796e.png)
![Bar's Leaks Block Seal Liquid Copper Intake & Radiator Stop Leak 18 oz - Image 5](https://i5.walmartimages.com/asr/bd69b7ac-fd58-4c6a-a7b1-7aeffd120a82.ca85cddc24067e825a822d7ec81f963b.jpeg)

---

## 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.com.au/products/473668717-bars-leaks-block-seal-liquid-copper-intake-and-radiator-stop](https://www.desertcart.com.au/products/473668717-bars-leaks-block-seal-liquid-copper-intake-and-radiator-stop)

---

*Product available on Desertcart Australia*
*Store origin: AU*
*Last updated: 2026-03-01*