JB Weld High Temp Red Silicone RTV Gasket Maker, 3 oz Tube – Heat Resistant Automotive Sealant

JB Weld HI-TEMP RED SILICONE RTV is a high-temperature gasket maker and sealant, designed for demanding automotive and mechanical applications. This 3 oz. (85g) tube creates a durable, waterproof seal that withstands continuous temperatures up to 550°F (650°F intermittent).

Ideal for sealing and protecting engine parts, this RTV silicone resists shrinking, cracking, and weathering. It is sensor safe and suitable for a wide range of repairs and maintenance tasks.

• Perfect for oil pans, valve covers, exhaust manifolds, and differential covers
• Forms a tough, flexible seal on most surfaces
• Easy to apply and cures at room temperature
• Resistant to oil, coolant, and automotive fluids