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Permatex 81160 High-Temp Red RTV Silicone Gasket, 3 oz

4.7 4.7 out of 5 stars 5,984 ratings
Amazon's Choice highlights highly rated, well-priced products available to ship immediately.
Amazon's Choice in Gasket Sealers by Permatex

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3 oz.
Pack of 1

Purchase options and add-ons

Brand Permatex
Material Silicone
Compatible Material Aluminum, Plastic, Metal
Item Form Paste
Color Red

About this item

  • Formulated For Hi-Temp Applications, Or Heavy-Duty Use
  • Replaces Almost Any Cut Gasket, And Coats Pre-Cut Gaskets To Increase Reliability
  • Makes Reliable 'Formed-In-Place' Gaskets That Resist Cracking, Shrinking And Migrating
  • Temperature Range Of -65F To 650F Intermittent
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$9.30 ($3.10/Ounce)
Get it as soon as Tuesday, Apr 2
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$15.12
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Product Benefits

Permatex High-Temp Red RTV Silicone Gasket Maker is formulated for high-temp applications and heavy-duty use, such as towing. Temperature Range: -65°F to 650°F (-54°C to 343°C) intermittent.

When using a cut gasket, Permatex High Temp Red RTV Silicone can be used to coat the pre-cut gasket to increase reliability. OEM specified.

This single component, RTV gasketing compound cures on exposure to moisture in the air to form a tough, flexible, silicone rubber gasket. Permatex High Temp Red replaces almost any cut gasket by making reliable 'formed-in-place' gaskets that resist cracking, shrinking and migrating caused by thermal cycling.

Directions for Use:

1- For best results, surfaces should be clean and dry.

2- Cut nozzle and apply a continuous 1/16” to ¼” (2 to 6mm) bead of silicone to one surface, surrounding all bolt holes. Assemble parts immediately while silicone is still wet. Finger tighten until material begins to squeeze out around flange.

3- Let dry for one hour then tighten to torque specifications.

4- Allow 24 hours to fully cure before filling with fluids or returning to service.

5- Replace cap after use.

Note: Not recommended for use on head gaskets or parts in contact with gasoline.

Customer Reviews
Product Sensor-Safe Blue RTV Silicone Gasket Maker High-Temp Red RTV Silicone Gasket Maker
Color Blue Red
Sensor-Safe Yes No
Chemical Resistance Auto and shop fluids Auto and shop fluids
OEM Specified Yes Yes
Temperature Range -65°F to 500°F Intermittent -65°F to 650°F Intermittent
Applications Valve covers, oil pans, timing covers, water pumps, and thermostat housings Valve covers, oil pans, timing covers, water pumps, and thermostat housings

Product Description

Permatex High-Temp Red RTV Silicone Gasket Maker is formulated for high temperature applications or heavy-duty use such as towing. It replaces almost any cut gasket by making reliable 'formed-in-place' gaskets that resist cracking, shrinking and migrating caused by thermal cycling. Coats pre-cut gaskets to increase reliability. Resists auto and shop fluids, with a temperature range of -65 degrees fahrenheit to 650 degrees fahrenheit intermittent. A first generation 1970-1980 gasket maker, it is OEM specified. Permatex offers significant performance advantages which include outstanding oil resistance, excellent torque retention and hi-temp, sensor-safe properties. engine sensors and new component materials such as aluminum, bi-metal alloys and high-tech plastics, have created the need for superior RTV silicone gasket makers in both OEM production and service applications. Permatex always has the right gasket maker for your application.

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Technical Details

Additional Information

Warranty & Support

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Permatex 81160 High-Temp Red RTV Silicone Gasket, 3 oz


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What's in the box

  • Permatex 81160
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    Price-57% $9.30
    List:$21.39
    -14% $5.86
    Typical:$6.85
    $11.72$7.90$14.85$5.04
    Delivery
    Get it as soon as Tuesday, Apr 2
    Get it as soon as Tuesday, Apr 2
    Get it as soon as Tuesday, Apr 2
    Get it as soon as Tuesday, Apr 2
    Get it as soon as Tuesday, Apr 2
    Get it as soon as Tuesday, Apr 2
    Customer Ratings
    Adhesion
    4.8
    4.8
    4.6
    4.4
    4.3
    4.6
    Easy to use
    4.6
    4.8
    4.5
    4.2
    4.0
    Value for money
    4.6
    4.5
    4.3
    4.1
    4.3
    Heat resistance
    5.0
    4.4
    4.3
    4.5
    Sold By
    All Things Easy Buy
    G.P.S.
    Amazon.com
    Amazon.com
    Amazon.com
    Amazon.com
    color
    Red
    blue
    Optimum Gray
    Red
    Red
    Clear
    compatible material
    Aluminum, Plastic, Metal
    Plastic, Metal, Aluminum
    Metal
    Metal
    Vinyl, Glass, Metal, Plastic, Fabric, Rubber, Ceramic
    volume
    3 fluid ounces
    14.78 milliliters
    3.35 fluid ounces
    3 fluid ounces
    10.3 fluid ounces
    3 fluid ounces
    number of items
    1
    1
    1
    1
    1
    1
    water resistance
    waterproof
    waterproof
    waterproof
    container type
    Tube
    Bottle
    Tube
    Cartridge
    Tube

    Looking for specific info?

    Customer reviews

    4.7 out of 5 stars
    4.7 out of 5
    5,984 global ratings

    Customers say

    Customers like the durability, heat resistance, value, and quality of the home furniture and decor. They mention that it holds in well, it can withstand temperatures up to 650 degrees F, and that it works excellent. Some are happy with sealant, leakage, and ease of use. That said, opinions are mixed on the adhesiveness.

    AI-generated from the text of customer reviews

    273 customers mention256 positive17 negative

    Customers are satisfied with the quality of the product. They mention that it works excellent, gets the job done, and is good enough for direct application. Some say that it's unreal, holds up well at high temperatures, and stands tough.

    "...Great product!" Read more

    "...Not sure value is there on that kind of wait time. Product works excellent!" Read more

    "...It does hold up well at high temperatures...." Read more

    "worked great" Read more

    33 customers mention33 positive0 negative

    Customers are satisfied with the sealant. They say it does an excellent job of sealing in high-temperature usage and is very durable. They also say it works great for sealing the joints in line, around edges, and in their smoker. They mention it's one of the best to aid gasket sealing, and that it seals out oil or coolant with ease.

    "It does an excellent job of sealing in high-temperature usage and is very durable. Great product!" Read more

    "If you need this for a one-time project, get it. The sealant holds up well and works well...." Read more

    "This formula is fantastic for sealing parts exposed to automatic transmission fluid...." Read more

    "...I purchased the 81160 and to no surprise of mine it worked great sealing my heater assembly and putting my spa back in service." Read more

    32 customers mention32 positive0 negative

    Customers find the application of the product straightforward and easy. They say it sets up quickly and works as advertised. Customers also mention that the hot pad heater is easy to install and works fast.

    "...Pros:Heat resistantWeather resistantEasy applicationCons:Only available in red" Read more

    "...Easy to use and worked perfectly! Highly recommended!" Read more

    "i needed this to put on my valve cover. it was so easy to use. they even included a plastic funnel type thing to squeeze the stuff out...." Read more

    "...It sets up quickly whether you're making gaskets or gluing. It's sticky and difficult to remove from skin or fabric...." Read more

    32 customers mention28 positive4 negative

    Customers like the leakage of the product. They say it helps stop oil leaks and is self-sealing.

    "...I have been using the mower for about two months and no leaks. This product works great." Read more

    "...Car has run for 1,000 miles now with zero leaks or engine codes...." Read more

    "...It ended up well, still no leaks after 6 months...." Read more

    "...This product stops the leak. Be sure to use as directed" Read more

    24 customers mention24 positive0 negative

    Customers are satisfied with the value of the product. They mention it's a great product at a good price. Some say that the product has saved them thousands of dollars.

    "The price was quite good when I ordered this, I think however this was to clean out some old inventory...." Read more

    "Very strong and worth the money. I use it on things that need high-temp sealing and never had an issue...." Read more

    "...This $6 product has saved me thousands and thousands. I will definitely be purchasing more." Read more

    "Perfect for high temp applications. Great product good price." Read more

    17 customers mention17 positive0 negative

    Customers are satisfied with the heat resistance of the product. They mention that it adheres well, handles high temperatures no problem, and is useful in various high temperature situations. The product is a true silicone heat product that cures in less than 24 hours and stands up well to high temperature.

    "...act as some sort of vibration absorbent also, plus it has to be high heat resistant...." Read more

    "...The product works great, it adheres well and resists heat. It is just the thing I need to seal my rusting top piece of my chimney...." Read more

    "...Resistant to heat and chemicals. I also use this as an automotive tread sealant and to seal oil drain bolts at every oil change." Read more

    "Great product. Cures in less than 24 hours. Stands the test of heat and pressure...." Read more

    12 customers mention12 positive0 negative

    Customers are satisfied with the durability of the product. They mention that it is very resilient, well made, and holds in well. Some say that the product is heat resistant and weather resistant. They also say that installation was easy and caused no destruction with installation. Some mention that the sealant holds wicks down perfectly and cures quickly.

    "It does an excellent job of sealing in high-temperature usage and is very durable. Great product!" Read more

    "...Pros:Heat resistantWeather resistantEasy applicationCons:Only available in red" Read more

    "Very strong and worth the money. I use it on things that need high-temp sealing and never had an issue...." Read more

    "Great product. Cures in less than 24 hours. Stands the test of heat and pressure...." Read more

    13 customers mention5 positive8 negative

    Customers are mixed about the adhesiveness of the product. Some mention it works great, it adheres well, and resists heat, while others say it's incredibly sticky and gets on everything if you're not careful. They also say the tape loses all adhesive affect when exposed to gasoline and does not stay stick well on surface.

    "...It sets up quickly whether you're making gaskets or gluing. It's sticky and difficult to remove from skin or fabric...." Read more

    "...The product works great, it adheres well and resists heat. It is just the thing I need to seal my rusting top piece of my chimney...." Read more

    "...And after 48 hours of curing, it just peeled right off. It wasn’t adhered at all. Worthless product...." Read more

    "...complete adherence! ( I reforced all the nails with permatex and now like a rock !!!..." Read more

    Works well
    4 Stars
    Works well
    It gets the job done just a bit hard to get the silicone out, you have to push really hard.
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    Top reviews from the United States

    Reviewed in the United States on December 28, 2023
    Style: 3 oz.Size: Pack of 1Verified Purchase
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    Top reviews from other countries

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    Robert-G
    5.0 out of 5 stars survised hot tempratre
    Reviewed in Canada on November 6, 2022
    Style: 3 oz.Size: Pack of 1Verified Purchase
    ernie
    5.0 out of 5 stars Gut zu verarbeiten
    Reviewed in Germany on March 26, 2024
    Style: 3 oz.Size: Pack of 1Verified Purchase
    Rodolfo Horner Garcia
    5.0 out of 5 stars Pegamento para cristal de horno
    Reviewed in Mexico on June 10, 2021
    Style: 3 oz.Size: Pack of 1Verified Purchase
    3 people found this helpful
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    JASON EVANS
    5.0 out of 5 stars Works great, And was Low odour too.
    Reviewed in the United Kingdom on May 20, 2023
    Style: 3 oz.Size: Pack of 1Verified Purchase
    Dmitry
    5.0 out of 5 stars Good seal
    Reviewed in the Netherlands on May 6, 2023
    Style: 3 oz.Size: Pack of 1Verified Purchase