Discover Permatex 27037 Optimum Black RTV with 60% more flexibility than Ultra Black and superior oil resistance for engine sealing.
158 in stock
158 in stock
Permatex 27037 Optimum Black RTV Silicone Gasket Maker is a 3.35 oz advanced sealing compound designed for applications requiring exceptional oil resistance and flexibility. The easy-disassembly formulation helps reduce maintenance time while delivering a durable gasket replacement seal. Compared with Ultra Black, it offers 15% greater strength and 60% more flexibility. || This RTV gasket maker is recommended for oil pans, timing covers, transmission pans, and differential covers where exposure to lubricants, vibration, and thermal cycling is common. Its advanced silicone formula resists automotive fluids while maintaining a dependable seal under demanding operating conditions. || Sensor safe, low odor, and non-corrosive, Optimum Black is engineered for professional repair environments. The removable gasket technology simplifies future service work while maintaining the sealing performance required for modern engines and driveline components.
| Brand | Permatex |
|---|---|
| Model | Optimum Black |
| MPN | 27037 |
| Product Type | RTV Gasket Maker |
| Material | Silicone RTV |
| Finish Color | Black |
| Dimensions | 3.35 oz Tube |
| Weight (lb) | Not Published |
| Load Capacity | Not Published |
| Drawer Count | Not Published |
| Drawer Type | Not Published |
| Lock Type | Not Published |
| Mount Type | Applied Bead |
| Installation | Manual Application |
| Compatibility | Oil Pans |
| Use Case | Engine Sealing |
| Warranty | Not Published |
| Country of Origin | Not Published |
| Series | Optimum |
| UPC | 686226987648 |
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