--- product_id: 144379140 title: "Permatex 27037 Optimum Black Gasket Maker 3.35 oz, 1 Pack" brand: "permatex" price: "¥4807" currency: JPY in_stock: true reviews_count: 7 category: "Permatex" url: https://www.desertcart.jp/products/144379140-permatex-27037-optimum-black-gasket-maker-3-35-oz-1 store_origin: JP region: Japan --- # 15% stronger than Ultra Black Wide temp range -65°F to 500°F 60% more flexible for ultimate durability Permatex 27037 Optimum Black Gasket Maker 3.35 oz, 1 Pack **Brand:** permatex **Price:** ¥4807 **Availability:** ✅ In Stock ## Summary > 🛠️ Seal like a pro, perform like a legend! ## Quick Answers - **What is this?** Permatex 27037 Optimum Black Gasket Maker 3.35 oz, 1 Pack by permatex - **How much does it cost?** ¥4807 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/144379140-permatex-27037-optimum-black-gasket-maker-3-35-oz-1) ## Best For - permatex enthusiasts ## Why This Product - Trusted permatex brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Complete Ready-to-Use Kit:** Includes 2 precision nozzles for easy, mess-free application every time - • **Oil & Fluid Resistance Mastery:** Patented adhesion system ensures maximum oil resistance, perfect for modern lightweight components - • **Sensor-Safe & Low Odor Formula:** Non-corrosive and safe around sensitive sensors, keeping your engine’s tech intact - • **Unmatched Strength & Flexibility:** 15% stronger and 60% more flexible than Ultra Black for premium gasket performance - • **Engineered for Extreme Conditions:** Operates flawlessly from -65°F to 500°F, handling the toughest automotive environments ## Overview Permatex 27037 Optimum Black Gasket Maker is a high-performance silicone sealant designed for modern automotive applications requiring superior oil resistance and flexibility. It outperforms Ultra Black by 15% in strength and offers 60% more flexibility, withstanding extreme temperatures from -65°F to 500°F. Sensor-safe, low odor, and non-corrosive, it’s ideal for valve covers, oil pans, and other critical engine components. Comes with two nozzles for precise application. ## Description Permatex optimum black is designed for gasket making in newer lightweight and premium components where maximum oil resistance is required, specifically within assemblies where two unlike materials meet. Optimum black is ideal for use with valve covers, oil pans, oil pumps, intake manifold end seals, timing gear covers and differential covers. Review: Excellent Product - Excellent and supreme quality product for sealant. Review: Excellent - Excellent Used to install a crankcase/crankshaft oil seal on a Lycoming engine ## Features - Causes serious eye irritation. - May cause an allergic skin reaction. - Suspected of causing cancer. - Sensor-safe, low odor, and non-corrosive - Meets performance Specs of OE silicone gaskets. Resistant to Auto & shop fluids and vibration. 15% stronger than Ultra Black. - Retains highest flexibility with maximum oil resistance through use of a patented adhesion system. 60% more flexible than Ultra Black - Temperature range: -65 DegreeF to 500 DegreeF (-54 DegreeC to 260 DegreeC) intermittent - Includes 2 nozzles ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B072MRCG8W | | Best Sellers Rank | 63,594 in Automotive ( See Top 100 in Automotive ) 423 in Fillers, Adhesives & Sealants | | Brand | Permatex | | Colour | Optimum Black | | Compatible Material | Rubber | | Country Of Origin | USA | | Customer Reviews | 4.7 out of 5 stars 676 Reviews | | Global Trade Identification Number | 00686226270375 | | Included Components | Gasket Maker | | Item Dimensions | 32 x 97 x 203 millimetres | | Item Form | Paste | | Item Type Name | Optimum Black Gasket Maker 3.35 oz | | Item Weight | 3 Ounces | | Item dimensions L x W x H | 32 x 97 x 203 millimetres | | Item weight | 3 Ounces | | Manufacturer | Permatex | | Manufacturer Part Number | 27037 | | Material | Silicone | | Model Number | 27037 | | Number of Items | 1 | | Number of Packs | 1 | | Style | Optimum | | Style Name | Optimum | | UPC | 686226270375 | | Unit Count | 1.0 count | | Water Resistance Level | Water Resistant | | Water resistance level | Water Resistant | ## Product Details - **Brand:** Permatex - **Item dimensions L x W x H:** 32 x 97 x 203 millimetres - **Material:** Silicone - **Style:** Optimum - **Water resistance level:** Water Resistant ## Images ![Permatex 27037 Optimum Black Gasket Maker 3.35 oz, 1 Pack - Image 1](https://m.media-amazon.com/images/I/712ZFo2pnCL.jpg) ![Permatex 27037 Optimum Black Gasket Maker 3.35 oz, 1 Pack - Image 2](https://m.media-amazon.com/images/I/817eShEYzKL.jpg) ![Permatex 27037 Optimum Black Gasket Maker 3.35 oz, 1 Pack - Image 3](https://m.media-amazon.com/images/I/61OgWKKbqpL.jpg) ![Permatex 27037 Optimum Black Gasket Maker 3.35 oz, 1 Pack - Image 4](https://m.media-amazon.com/images/I/61lzsl+RTYL.jpg) ![Permatex 27037 Optimum Black Gasket Maker 3.35 oz, 1 Pack - Image 5](https://m.media-amazon.com/images/I/61OAoZZeaFL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Excellent Product *by G***S on 4 October 2025* Excellent and supreme quality product for sealant. ### ⭐⭐⭐⭐⭐ Excellent *by L***E on 1 May 2025* Excellent Used to install a crankcase/crankshaft oil seal on a Lycoming engine ### ⭐⭐⭐⭐⭐ Great stuff *by A***R on 25 July 2024* Great stuff, works exactly as advertised. Easy to use, good seal. ## Frequently Bought Together - Permatex 27037 Optimum Black Gasket Maker, 3 oz - Permatex 27036 Optimum Grey Gasket Maker 3 oz - Permatex 27038 Optimum Red High Temperature Gasket Maker, 3 oz --- ## 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/144379140-permatex-27037-optimum-black-gasket-maker-3-35-oz-1](https://www.desertcart.jp/products/144379140-permatex-27037-optimum-black-gasket-maker-3-35-oz-1) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-09-07*