--- product_id: 331612922 title: "Ultimate Head Gasket & Block Repair | Seal & Fix Coolant Leaks, 472ml" brand: "k-seal" price: "$94.89" currency: USD in_stock: true url: https://www.desertcart.us/products/331612922-ultimate-head-gasket-and-block-repair-seal-and-fix-coolant store_origin: US region: United States of America --- # permanent lifetime fix ceramic micro-fibres formula 33% more sealing power Ultimate Head Gasket & Block Repair | Seal & Fix Coolant Leaks, 472ml **Brand:** k-seal **Price:** $94.89 **Availability:** ✅ In Stock ## Summary > 🚗 Seal it once, drive forever—ultimate engine peace of mind! ## Quick Answers - **What is this?** Ultimate Head Gasket & Block Repair | Seal & Fix Coolant Leaks, 472ml by k-seal - **How much does it cost?** $94.89 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/331612922-ultimate-head-gasket-and-block-repair-seal-and-fix-coolant) ## Best For - k-seal enthusiasts ## Why This Product - Trusted k-seal brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **One-Step Leak Stopper:** Seals holes and cracks up to 0.64mm with advanced ceramic micro-fibres - • **Effortless Application:** No draining or flushing—just shake, pour, and drive - • **Universal Compatibility:** Works seamlessly with all coolant types and engine materials, including heavy-duty machinery - • **Unmatched Sealing Strength:** 33% more sealing power than standard sealers for a permanent fix - • **Mechanic-Trusted & Lab-Verified:** Independently tested to ASTM D3147 standards and trusted worldwide by professionals ## Overview K-Seal Ultimate Head Gasket & Block Repair is a professional-grade, ceramic-based coolant additive that permanently seals leaks, cracks, and blown head gaskets up to 0.64mm. With 33% more sealing power than regular products, it requires no engine draining and works with all coolant types and engine materials. Independently tested to ASTM D3147 standards and trusted by mechanics worldwide, it offers a cost-effective, long-lasting solution to costly engine repairs. ## Description K-Seal is painstakingly tested for the UK and US in the only independent academic facility that can test ASTM D3147. K-Seal is the only product that has been successfully tested on this equipment, making it a standout product. K-Seal is tailor-made to repair engine damage that could cost you thousands if you don’t do something about it now. Delivered in a simple-to-use bottle, you don’t need to be a mechanic to fix your car – simply follow our clear instructions to shake, pour and go. ## Features - PERMANENT REPAIR: Our advanced formula with 33% more sealing power than regular K-Seal, ensures a long-lasting, permanent seal for challenging leaks. Permanently fixes blown head gaskets, cracked heads & porous engine blocks in cars. - STOP HOLES & CRACKS: With just 1 step our unique formula with ceramic micro-fibres, will permanently seal leaks up to 0.64mm in size, without any adverse impact on the engine. - EASY TO USE: It requires no draining or flushing; just shake, pour & go - shake the bottle, add the fluid wherever you top up your coolant & run your engine as normal. For larger engines (HGV's / Plant) use 2 bottles. - VERSATILE COMPATIBILITY: Works with all types of coolant & compatible with a wide range of vehicle engine materials & heavy duty machinery. A permanent fix for the lifetime of the engine. - PROFESSIONAL-GRADE RELIABILITY: Trusted by mechanics, our sealer treatment delivers a durable & long-lasting repair. A cost-effective head gasket & block repair, enhancing the performance of your vehicle’s cooling system. We've sold millions worldwide & are independently verified by university testing to meet ASTM D3147. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B00Q55SV6O | | Best Sellers Rank | #1,431,424 in Automotive ( See Top 100 in Automotive ) #340 in Gasket Sealers | | Brand Name | K-Seal | | Customer Reviews | 3.8 3.8 out of 5 stars (588) | | Global Trade Identification Number | 05060002968109 | | Included Components | 1 Bottle | | Item Shape | Round | | Item Type Name | Head Gasket Repair | | Manufacturer | K-Seal International Limited | | Material Type | Ceramic | | Model | KSLST3501 | | Part Number | KSLST3501 | | Warranty Description | 1 year manufacturer | ## Product Details - **Brand:** K-Seal - **Global Trade Identification Number:** 05060002968109 - **Manufacturer:** K-Seal International Limited - **Material:** Ceramic - **Shape:** Round ## Images ![Ultimate Head Gasket & Block Repair | Seal & Fix Coolant Leaks, 472ml - Image 1](https://m.media-amazon.com/images/I/71G83KAp7FL.jpg) ![Ultimate Head Gasket & Block Repair | Seal & Fix Coolant Leaks, 472ml - Image 2](https://m.media-amazon.com/images/I/81ExIuiXz-L.jpg) ![Ultimate Head Gasket & Block Repair | Seal & Fix Coolant Leaks, 472ml - Image 3](https://m.media-amazon.com/images/I/810oKVSrG3L.jpg) ![Ultimate Head Gasket & Block Repair | Seal & Fix Coolant Leaks, 472ml - Image 4](https://m.media-amazon.com/images/I/81fjpE+5DfL.jpg) ![Ultimate Head Gasket & Block Repair | Seal & Fix Coolant Leaks, 472ml - Image 5](https://m.media-amazon.com/images/I/8133FJ18BQL.jpg) ## Available Options This product comes in different **Style** options. ## Frequently Bought Together - K-Seal Ultimate Head Gasket & Block Repair | Seal & Fix Coolant Leaks, 472ml - K-Seal ST5501 Multi-Purpose One Step Permanent Coolant Leak Repair, 8oz, Pour and Go, Mixes with All Antifreeze, No Flushing Required --- ## 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.us/products/331612922-ultimate-head-gasket-and-block-repair-seal-and-fix-coolant](https://www.desertcart.us/products/331612922-ultimate-head-gasket-and-block-repair-seal-and-fix-coolant) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-07-31*