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J-B Weld 31314 Red High Temperature RTV Silicone Gasket Maker and Sealant - 3 oz.

  • Based on 5,948 reviews
Condition: New
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Availability: In Stock.
Fulfilled by Amazon

Arrives Sep 17 – Sep 18
Order within 21 hours and 45 minutes
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Size: 3 Ounce


Features

  • HI TEMP RED SILICONE GASKET MAKER & SEALANT: Is an RTV (Room Temperature Vulcanized) Silicone gasketing material, designed for use in mechanical assemblies where the existence of higher, continuous temperatures up to 550o F or 650o F intermittent might exist
  • COUNT ON US: For more than 40 years, our products have earned a loyal following from people who take pride in their work. With each product we innovate, we continue to provide the world's strongest bond for your projects
  • EASY TO USE: Curing when the product is exposed to the moisture in air, it forms a tough, waterproof seal on most surfaces. It will not shrink or crack, resists weathering and is sensor safe
  • VERSATILE & DEPENDABLE: Ideal for automotive, metal, oil pans, exhaust manifolds, water pumps, timing covers, differential covers, drive housings and oven doors
  • DO IT YOURSELF: Big or small, you can DIY it with J-B. Our heavy duty adhesives repair & restore it right the first time. JB Weld delivers the legendary performance of the World's Strongest Bond

Description

J-B Weld Hi-Temp Red RTV Silicone Gasket Maker and Sealant J-B Weld Hi-Temp Red Silicone Gasket Maker and Sealant is an RTV (Room Temperature Vulcanized) Silicone gasketing material, designed for use in mechanical assemblies where the existence of higher, continuous temperatures up to 550 degrees F or 650 degrees F intermittent might exist. Upon curing, which occurs when the product is exposed to the moisture in air, the silicone forms a tough, waterproof seal on most surfaces. It will not shrink or crack, resists weathering, is sensor safe and is great for many automotive applications. Great for: Oil Pans Valve Covers Exhaust Manifolds Water Pumps Timing Covers Differential Covers Drive Housings Oven Doors Use on: Automotive Metal And moreInstructions1. Prepare: Clean surface area of dirt, grease, oil, paint or loose debris. For best results use a detergent or degreaser to first clean the surface, then roughen surface with file or coarse sandpaper to provide the best repair. 2. Apply: Apply even, continuous ¼ inch bead of Silicone to one surface area. Surround all bolt holes with Silicone. 3. Assemble: Reconnect parts while Silicone is wet. 4. Secure: Hand tighten until Silicone begins to squeeze out. 5. Dry: Allow drying for 1 hour and then tighten an additional 1/2 turn. 6. Finish: Scrape or cut away excess cured sealant. Silicone will fully cure in 24 hours. J-B Weld is proudly made in the USA

Material: Silicone


Brand: J-B Weld


Style: Compact


Item Weight: 90 g


Item dimensions L x W x H: 1.97 x 1.57 x 6.3 inches


Brand Name: J-B Weld


UPC: 043425313140 043425700193


Number of Packs: 1


Unit Count: 3 Ounce


Global Trade Identification Number: 40


Number of Items: 1


Included Components: JBWeld 31314


Item Type Name: RED SILICONE RTV GASKET MAKER - 3 OZ.


Manufacturer: JBWeld


Model: 31314


Part Number: 31314


Warranty Description: LIMITED WARRANTY


Item Weight: 90 g


Item Dimensions: 1.97 x 1.57 x 6.3 inches


Water Resistance Level: Waterproof


Item Form: Gel


Compatible Material: Metal


Style Name: Compact


Color: HI-TEMP RED


Surface Recommendation: Door


Material Type: Silicone


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Sep 17 – Sep 18

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews


  • This really works well.
Size: 3 Ounce
So this was a longshot. I have a hair dryer with a diffuser. Every time I use it the diffuser goes flying off. It's hot where it clips on. So I tried a bead of this glue and the diffuser is now permanently glued to the hair dryer and will not come off. It was the PERFECT glue for this application. It would be good for anywhere you need glue that gets hot -- like a stove gasket. Great product. ... show more
Reviewed in the United States on January 30, 2026 by June C. Zydek

  • It stick
Size: 3 Ounce
It stick. Works well on my gasket work
Reviewed in the United States on March 25, 2026 by Madden

  • Good
Size: 3 Ounce
Really Good
Reviewed in the United States on March 26, 2026 by Danny M.

  • High-temperature resistant glue.
Size: 3 Ounce
The rubber seals on my car windows were coming loose. After applying this adhesive and exposing them to high temperatures in the sun, they haven't come loose again.
Reviewed in the United States on January 31, 2026 by Bin

  • Glue
Size: 3 Ounce
Amazing job!
Reviewed in the United States on March 18, 2026 by Michelle Croyle

  • Good quality
Size: 3OZ 2 Pack
Good quality
Reviewed in the United States on March 26, 2026 by Ciro Arizmendi

  • Applied to Wood Stove Door and is Working Great
Size: 3OZ 2 Pack
Works great and is lasting a long time.
Reviewed in the United States on April 2, 2026 by Sean

  • Works for me.
Size: 3OZ 2 Pack
I use this for mycology lids, to ensure the injection ports stay sealed and in place. It has not failed me yet. I recommend filling a syringe for use on tight/small areas and putting a luerlock cap on when not in use. It does what it says on the package.
Reviewed in the United States on January 28, 2026 by JT

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