Permatex 75620 Permatex 81630 Ultra Red High Temperature Gasket Maker, 3 oz, 1 Pack
Permatex 75620 Permatex 81630 Ultra Red High Temperature Gasket Maker, 3 oz, 1 Pack
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Permatex 75620 Permatex 81630 Ultra Red High Temperature Gasket Maker, 3 oz, 1 Pack

4.7 stars out of 189 reviews
(4.7)|
189 ratings

Key item features

  • Extreme Temperature: Withstands temperatures from -65°F to 650°F (-54°C to 343°C), making it suitable for high-heat applications.
  • Advanced Formulation: This high-performance, low-odor RTV silicone gasket maker outperforms previous generation red RTV.
  • Fluid Resistance: Maintains integrity and resistance to oils and common shop fluids, ensuring durability in various environments.
  • OEM Compliance: Meets original equipment manufacturer specifications, ensuring reliability and compatibility.
  • Versatile Application: Ideal for high-temperature uses such as exhaust manifolds, headers, turbochargers, and slip-fit exhaust parts.
  • Sensor Safe: Features a non-corrosive, sensor-safe RTV silicone formulation, protecting sensitive components.
  • Gasket Replacement: Can be effectively used as a replacement for pre-cut gaskets in appropriate applications.
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was $11.29
$2.52/oz
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Permatex 75620 Permatex 81630 Ultra Red High Temperature Gasket Maker, 3 oz, 1 Pack $7.56 Was $11.29 $2.52/oz

Permatex 75620 Permatex 81630 Ultra Red High Temperature Gasket Maker, 3 oz, 1 Pack
current price Now $7.56, Was $11.29
$2.52/oz

Permatex 75620 Permatex 81630 Ultra Red High Temperature Gasket Maker, 3 oz, 1 Pack

4.7 out of 5 Stars. 189 reviews

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Customer ratings & reviews

4.7 out of 5 stars
stars189 ratings89 reviews
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Reviews summary

Pros
  • : Has a non-overpowering smell.
  • : Offers affordable options compared to others.
  • : Can be applied in a thick, customizable layer.
Neutral
  • : Can be precise, but also prone to clogging.
  • : Can be effective, but inconsistent in certain situations.
  • : Can be smooth, but also tricky due to tube design.
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Showing 1-3 of 89 reviews

Dec 8, 2025
G
Top Reviewer
Item details
Multipack quantity: 1
5 out of 5 stars review

Verified Purchase

gasket maker color red

I got an electric dirt bike scooter type thing and I didn't really know what all I needed to maintain it so I talked to Gemini assistant, I was asking about if I got caught in the rain what can I do for the battery and he recommended this a gasket maker it's just a thin layer and it'll help protect water from getting under the battery to the components causing corrosion or anything like that, the red was cheaper so I went with the red I like what difference does it make it's just going to go on the track where the battery sits down then you slide it in so when it's nice and dry it's not going to be in the way it's just slide very easy and Jim and I had told me he gave me all to what to do for my scooter the chain what to buy the alcohol what to buy how to calibrate the break how to clean the disc because manufacturer oil and dust can be on it and just tell me what to do I'm still waiting on my towels they're taking a while so I haven't got it out yet but we got it together my neighbor helped me a little bit cuz I'm handicapping I was having a little bit of hard time at being heavy and it doesn't have a center stand just a kickstand and we've been having rain and it's really cold right now where I'm at and Locust North Carolina so I haven't had it outside and I think I got all the stuff I need now some white lightning that's the oil the barrels on the chain I got the alcohol like I said to clean got the gasket maker and I'm just waiting on those towels and there's one more thing let me think some chain cleaner spray for when it gets gunked up and you know you can tell when it's going to be needing cleaned and don't have to be cleaned all the time just when it needs it so I got a can of spray I think it was a white lightning brand also, I got this little scooter on Amazon and I just live less than a mile to town I just want it to be able to go to town independently I'm a senior citizen disabled I'm 65 and it's not a problem for me I wrote a motorcycle 15 years I got one of those upright scooters with the two hard wheels I thought that would be okay don't get one of those because even if you're strong because you feel every crack and bump is horrible I hit some grass that was not cut off the sidewalk and it was around a pole but it was on the left side of the grass had grown over and it was like hitting a tree root okay and it threw me down and it broke my scooter first time on it and it was $400 I'm not going to spend $170 to fix that so I just went ahead and got this little scooter and that's why I needed everything I needed to help take care of my scooter very well and it's Fat Tires all terrain cuz it's dirt bike, but I'm a crazy old woman I've been crazy all my life but I try to be safe and I know God fights for me and he protects me. we don't know what all God has kept us from don't forget that amen

Helpful?4UW3E79JX92B927320774
Jan 24, 2025
DONNA
Top Reviewer
Item details
Size: 12
5 out of 5 stars review

Verified Purchase

not just for autos.

I have not had to use this yet but it was recommended to me by a HVAC guy for use as a gasket on my HVAC unit for exhaust motor. So it is nice to have around for that and also if I should need it for auto use

Helpful?4UW3E79JX92B927320774
Apr 5, 2025
Walmart customer
Top Reviewer
Item details
Multipack quantity: 1
5 out of 5 stars review

Verified Purchase

great sealer

This permatex silicone sealer did a great job on selling my golf carts differential cover after I replaced the oil with fresh oil! I would certainly use it again. it's easy to use just follow directions and you good to go.

Helpful?4UW3E79JX92B927320774