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🛠️ Seal smarter, not harder — the ultimate gasket upgrade you can’t afford to miss!
Permatex 27037 Optimum Black Gasket Maker is a sensor-safe, low-odor silicone sealant engineered for premium automotive applications. It offers 15% greater strength and 60% more flexibility than Ultra Black, withstanding extreme temperatures (-65°F to 500°F) and resisting oil, shop fluids, and vibration. Ideal for sealing valve covers, oil pans, and other critical engine components, it includes two nozzles for precise application.
| ASIN | B072MRCG8W |
| Best Sellers Rank | #62 in Automotive ( See Top 100 in Automotive ) #1 in Gasket Sealers #1,101 in Oils & Fluids |
| Brand | Permatex |
| Brand Name | Permatex |
| Color | Optimum Black |
| Compatible Material | Metal, Rubber |
| Customer Reviews | 4.7 out of 5 stars 693 Reviews |
| Global Trade Identification Number | 00686226270375 |
| Included Components | Gasket Maker |
| Item Dimensions | 1.25 x 3.81 x 8 inches |
| Item Form | Paste |
| Item Type Name | Optimum Black Gasket Maker 3.35 oz |
| Item Weight | 3 Ounces |
| Item dimensions L x W x H | 1.25 x 3.81 x 8 inches |
| Manufacturer | Permatex |
| Material | Silicone |
| Material Type | Silicone |
| Model | 27037 |
| Number of Items | 1 |
| Part Number | 27037 |
| Style | Optimum |
| Style Name | Optimum |
| Surface Recommendation | Miscellaneous |
| UPC | 686226270375 |
| Unit Count | 1.0 Count |
| Water Resistance Level | Water Resistant |
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