Permatex 81409 High-Temp Red RTV Silicone Gasket Maker — 11 oz
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Description
xOverview
Permatex 81409 High-Temp Red RTV Silicone Gasket Maker is a versatile formed-in-place gasket solution built for high-temperature automotive work and heavy-duty tasks. It creates resilient seals that adapt to engine surfaces, helping you avoid leaks without needing to stock a wide range of pre-cut gaskets.
Key benefits and capabilities
Designed to withstand heat cycling and exposure to common fluids, this gasket maker remains flexible while resisting cracking and shrinking. It can also coat pre-cut gaskets to boost reliability in service or during reassembly.
- Engineered for high-temperature or heavy-duty use and resists auto and shop fluids.
- Replaces almost any cut gasket by forming reliable "formed-in-place" gaskets that resist cracking, shrinking and migrating due to thermal cycling.
- Coats pre-cut gaskets to increase reliability during assembly and service.
- Temperature range: -65°F to 650°F (-54°C to 343°C) intermittent.
- Suggested applications: valve covers, oil pans, timing covers, water pumps, thermostat housings, transmission pans.
- Sensor-safe, OEM-specified performance compatible with modern materials such as aluminum and high-tech plastics.
Real-world use and scenarios
In everyday shop or roadside repairs, you can apply the sealant where a traditional gasket is missing, damaged, or hard to source. The formed-in-place seal conforms to irregular surfaces and maintains a consistent seal as temperatures rise and fall.
- Oil resistance helps seal around oil drains and pans when exposed to lubricants and heat.
- Potential for improved torque retention and seal integrity under service loads.
Why choose Permatex
Permatex has a legacy dating back to the 1970s and 1980s gasket-making work, emphasizing reliable performance in OEM production and service. The formulation aims to be sensor-safe while working with a range of engine components and new materials.
Tips for best results
- Clean and dry surfaces before application for optimal adhesion.
- Apply a thin, even bead around the sealing area.
- Allow adequate cure time before starting the engine or applying heat.
- Wear gloves and avoid skin contact during use.
FAQ
Q: What is Permatex 81409 High-Temp Red RTV Silicone Gasket Maker used for?
A: A versatile formed-in-place gasket sealant for high-temperature automotive and heavy-duty applications.
Q: What temperature range does it handle and what are common applications?
A: -65°F to 650°F intermittent; suitable for valve covers, oil pans, timing covers, water pumps, and thermostat housings.
Shipping & Return
xReturns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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