--- product_id: 331612922 title: "K-Seal Ultimate Head Gasket & Block Repair | Seal & Fix Coolant Leaks, 472ml" brand: "k-seal" price: "¥15630" currency: JPY in_stock: true url: https://www.desertcart.jp/products/331612922-k-seal-ultimate-head-gasket-and-block-repair-seal-fix store_origin: JP region: Japan --- # Ceramic micro-fibres tech Permanent fix, no reapplication 33% more sealing power K-Seal Ultimate Head Gasket & Block Repair | Seal & Fix Coolant Leaks, 472ml **Brand:** k-seal **Price:** ¥15630 **Availability:** ✅ In Stock ## Summary > 🚗 Seal it once, drive forever—never let leaks slow your hustle! ## Quick Answers - **What is this?** K-Seal Ultimate Head Gasket & Block Repair | Seal & Fix Coolant Leaks, 472ml by k-seal - **How much does it cost?** ¥15630 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/331612922-k-seal-ultimate-head-gasket-and-block-repair-seal-fix) ## 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—no engine damage guaranteed. - • **Effortless Application:** Shake, pour, and go—no draining or flushing needed, saving you time and hassle. - • **Universal Compatibility:** Works seamlessly with all coolant types and engine materials, including heavy-duty machinery. - • **Unmatched Sealing Strength:** 33% more sealing power than standard formulas for a truly permanent repair. - • **Mechanic-Trusted & Lab-Verified:** Independently tested to ASTM D3147 standards and trusted by professionals worldwide. ## Overview K-Seal Ultimate Head Gasket & Block Repair is a professional-grade, ceramic-fibre formula that permanently seals coolant leaks, blown head gaskets, cracked heads, and porous engine blocks. With 33% more sealing power than regular K-Seal, it offers a one-step, no-drain application compatible with all coolants and engine types. Independently tested to ASTM D3147 standards and trusted by mechanics globally, it delivers a cost-effective, long-lasting engine repair solution. ## 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 | #1,722,219 in Automotive ( See Top 100 in Automotive ) #381 in Gasket Sealers | | Brand | K-Seal | | Brand Name | K-Seal | | Customer Reviews | 3.9 out of 5 stars 593 Reviews | | Global Trade Identification Number | 05060002968109 | | Included Components | 1 Bottle | | Item Shape | Round | | Item Type Name | Head Gasket Repair | | Manufacturer | K-Seal International Limited | | Material | Ceramic | | Material Type | Ceramic | | Model | KSLST3501 | | Number of Items | 1 | | Part Number | KSLST3501 | | Shape | Round | | 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 ![K-Seal Ultimate Head Gasket & Block Repair | Seal & Fix Coolant Leaks, 472ml - Image 1](https://m.media-amazon.com/images/I/71G83KAp7FL.jpg) ![K-Seal Ultimate Head Gasket & Block Repair | Seal & Fix Coolant Leaks, 472ml - Image 2](https://m.media-amazon.com/images/I/81ExIuiXz-L.jpg) ![K-Seal Ultimate Head Gasket & Block Repair | Seal & Fix Coolant Leaks, 472ml - Image 3](https://m.media-amazon.com/images/I/810oKVSrG3L.jpg) ![K-Seal Ultimate Head Gasket & Block Repair | Seal & Fix Coolant Leaks, 472ml - Image 4](https://m.media-amazon.com/images/I/81fjpE+5DfL.jpg) ![K-Seal Ultimate Head Gasket & Block Repair | Seal & Fix Coolant Leaks, 472ml - Image 5](https://m.media-amazon.com/images/I/8133FJ18BQL.jpg) ## 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.jp/products/331612922-k-seal-ultimate-head-gasket-and-block-repair-seal-fix](https://www.desertcart.jp/products/331612922-k-seal-ultimate-head-gasket-and-block-repair-seal-fix) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-09-24*