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Permatex 3 Oz. Ultra Copper High-Temp RTV Silicone Gasket
Permatex 3 Oz. Ultra Copper High-Temp RTV Silicone Gasket
Permatex 3 Oz. Ultra Copper High-Temp RTV Silicone Gasket
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Permatex 3 Oz. Ultra Copper High-Temp RTV Silicone Gasket

Marsoni M251S
Sale price$11.49
Pay 4 payments of $2.87 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
Permatex 3 Oz. Ultra Copper High-Temp RTV Silicone GasketPermatex Ultra Copper. For 4 cylinder, turbocharged or high performance engines. The most advanced, high temperature RTV silicone gasket available. Sensor safe, low odor, noncorrosive. Superior adhesion. 3 times more oil resistant than conventional silicones; 8 times more flexible than cut gaskets. Temperature range 75 deg. F. to 700 deg. F. intermittent; resists auto and shop fluids and vibration. Suggested Applications : Exhaust manifolds headers,
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Your Permatex 3 Oz. Ultra Copper High-Temp RTV Silicone Gasket orders ship within 1-2 business days.

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  • Standard: 3-7 business days
  • Fast: 2-3 business days
  • Express: 1-2 business days

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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
4.1 ★★★★★
Based on 2254 reviews
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Verified Purchase
S. Rohleder
Dallas, US
★★★★★ 5
0 Gauge wire 25 feet red,/25 feet black.
Color: Red/Black, Size: 0AWG-25FT Each
It is as advertised, Copper Clad Aluminum (CCA) but will work for very short runs and jumpers instead of eating my solid copper lines.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 5, 2026
C
Verified Purchase
Chad Whitsell
Draper, US
★★★★★ 5
Great product
Color: Red/Black, Size: 0AWG-25FT Each
Just the amount you need
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 11, 2026
M
Verified Purchase
Mr.FixIt
Lake Worth, US
★★★★★ 5
Works great
Great product, good price and fast shipping.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 5, 2025
L
Verified Purchase
Lowell H
Port Orchard, US
★★★★★ 5
Good price and high quality!
This isolator relay is robust and has a higher amp load rating than the original relay. It was easy to install.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 26, 2026
A
Verified Purchase
Alvin garner
Dallas, US
★★★★★ 5
Get it
Get it
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 11, 2026

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