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JB Weld Hi-Temp RTV Silicone Gasket Maker Sealant — 10.3 Oz. Cartridge, High Heat & Oil Resistant, 550ºF Continuous, Red, Model# JBW31914

Item# 7162651
JB Weld Hi-Temp RTV Silicone Gasket Maker Sealant — 10.3 Oz. Cartridge, High Heat & Oil Resistant, 550ºF Continuous, Red, Model# JBW31914

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JB Weld Hi-Temp RTV Silicone Gasket Maker Sealant — 10.3 Oz. Cartridge, High Heat & Oil Resistant, 550ºF Continuous, Red, Model# JBW31914

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$16.99

  • Shipping: 

    Factory shipped

  • Store Pickup: 

    Not available - online only
  • High Temperature Tolerance: Effective up to 550ºF continuous and 650ºF intermittent heat.
  • Oil & Water Resistant: Provides a robust seal against automotive fluids and moisture.
  • Fast Set Time: Sets in 1 hour for efficient repairs and assembly.
  • Red Dry Color: Easy to identify for clean and precise gasket application.
  • Strong Adhesion: Bonds well to metal and various automotive materials.

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Product Summary

J-B Weld Hi-Temp Red RTV Silicone Gasket Maker Sealant in a convenient 10.3 oz cartridge is specially formulated for high-temperature mechanical and automotive applications. This oil- and water-resistant silicone gasket maker cures at room temperature (RTV), creating a tough, flexible, and waterproof seal that withstands continuous heat up to 550ºF and intermittent spikes up to 650ºF. Designed for use on metal and other automotive surfaces, it resists shrinking, cracking, and weathering, maintaining long-term durability. The sealant sets quickly in just 1 hour and is sensor safe, making it perfect for engine gaskets, valve covers, and other critical high-heat areas.

What's Included

    (1) One (1) 10.3 oz (300 mL) cartridge of J-B Weld Hi-Temp Red RTV Silicone Gasket Maker & Sealant, ready for easy use with standard caulking guns.

Features + Benefits

  • High Temperature Tolerance: Effective up to 550ºF continuous and 650ºF intermittent heat.
  • Oil & Water Resistant: Provides a robust seal against automotive fluids and moisture.
  • Fast Set Time: Sets in 1 hour for efficient repairs and assembly.
  • Red Dry Color: Easy to identify for clean and precise gasket application.
  • Strong Adhesion: Bonds well to metal and various automotive materials.
  • Durable & Flexible: Resistant to shrinkage, cracking, and weathering for reliable sealing.
  • Sensor Safe: Suitable for sensitive automotive components requiring a safe sealant.

Key Specs

AttributeSpecification

item#

7162651

Brand

JB Weld

Ship Weight

0.78 LB
AttributeSpecification

Product Weight

0.7800 lb

Dimensions L x W x H (in.)

10.98 x 1.97 x 1.97 in

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