--- product_id: 255417984 title: "Permatex 27037 Optimum Black Gasket Maker 3.35 oz, 1 Pack" brand: "permatex" price: "€ 20.68" currency: EUR in_stock: true reviews_count: 5 category: "Permatex" url: https://www.desertcart.gr/products/255417984-permatex-27037-optimum-black-gasket-maker-3-35-oz-1 store_origin: GR region: Greece --- # 60% more flexible with max oil resistance Temp range -65°F to 500°F 15% stronger than Ultra Black Permatex 27037 Optimum Black Gasket Maker 3.35 oz, 1 Pack **Brand:** permatex **Price:** € 20.68 **Availability:** ✅ In Stock ## Summary > 🖤 Seal like a pro with Permatex Optimum Black – where strength meets precision! ## Quick Answers - **What is this?** Permatex 27037 Optimum Black Gasket Maker 3.35 oz, 1 Pack by permatex - **How much does it cost?** € 20.68 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/255417984-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 - • **Unmatched Strength:** 15% stronger than Ultra Black for a durable, lasting seal - • **Versatile Application:** Perfect for valve covers, oil pans, intake manifolds, and more—engineered for premium components - • **Sensor-Safe & Low Odor:** Safe for modern sensors and easy to apply without harsh fumes - • **Oil-Resistant Flexibility:** 60% more flexible than competitors, maintaining integrity under oil exposure - • **Extreme Temperature Resilience:** Operates flawlessly from -65°F to 500°F, handling the heat of any engine ## Overview Permatex 27037 Optimum Black Gasket Maker is a premium silicone sealant designed for high-performance automotive applications. It offers 15% greater strength and 60% more flexibility than Ultra Black, withstanding extreme temperatures from -65°F to 500°F. Sensor-safe and low odor, it resists oil, vibration, and shop fluids, making it ideal for valve covers, oil pans, and other critical engine components. ## 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: Great stuff - Great stuff, works exactly as advertised. Easy to use, good seal. ## Features - 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 | #32,862 in Automotive ( See Top 100 in Automotive ) #143 in Automotive Fillers, Adhesives & Sealants | | Brand | Permatex | | Brand Name | Permatex | | Color | Optimum Black | | Compatible Material | Rubber | | Customer Reviews | 4.6 out of 5 stars 1,676 Reviews | | Global Trade Identification Number | 00686226270375 | | Included Components | Gasket Maker | | Item Dimensions | 32 x 97 x 203 millimeters | | 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 millimeters | | Item weight | 3 Ounces | | Manufacturer | Permatex | | Material | Silicone | | Material Type | Silicone | | Model | 27037 | | Number of Items | 1 | | Number of Packs | 1 | | Part Number | 27037 | | Style | Pack of 1 | | Style Name | Pack of 1 | | Surface Recommendation | Miscellaneous | | UPC | 686226270375 | | Unit Count | 1 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 millimeters - **Material:** Silicone - **Style:** Pack of 1 - **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) ## Available Options This product comes in different **Size, Style** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Excellent Product *by G***S on 4 October 2025* Excellent and supreme quality product for sealant. ### ⭐⭐⭐⭐⭐ Great stuff *by A***R on 25 July 2024* Great stuff, works exactly as advertised. Easy to use, good seal. ### ⭐⭐⭐⭐⭐ Excellent *by L***E on 1 May 2025* Excellent Used to install a crankcase/crankshaft oil seal on a Lycoming engine ## 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.gr/products/255417984-permatex-27037-optimum-black-gasket-maker-3-35-oz-1](https://www.desertcart.gr/products/255417984-permatex-27037-optimum-black-gasket-maker-3-35-oz-1) --- *Product available on Desertcart Greece* *Store origin: GR* *Last updated: 2026-08-14*