🖤 Seal smarter, not harder — the ultimate gasket upgrade you can’t afford to miss!
Permatex 27037 Optimum Black Gasket Maker is a premium, sensor-safe silicone gasket sealant designed for modern lightweight and premium automotive components. It offers 15% greater strength and 60% more flexibility than Ultra Black, resists oil and shop fluids, and withstands extreme temperatures from -65°F to 500°F. Ideal for valve covers, oil pans, and other critical engine parts, it comes with two precision nozzles for easy, mess-free application.
| Manufacturer | Permatex |
| Brand | Permatex |
| Model | Gasket Maker |
| Product Dimensions | 3.18 x 9.69 x 20.32 cm; 109 g |
| Item model number | 27037 |
| Exterior | Machined |
| Manufacturer part number | 27037 |
| OEM Part Number | 27037 |
| Item Weight | 109 g |
L**E
Excellent
ExcellentUsed to install a crankcase/crankshaft oil seal on a Lycoming engine
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