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๐ฅ Seal the deal with the ultimate high-temp gasket maker!
Permatex 27038 Optimum Red is a premium silicone gasket maker designed for extreme temperatures up to 750ยฐF. It offers professional-grade durability, sensor-safe formulation, and versatile use on headers, manifolds, and turbocharged parts. Low odor, non-toxic, and OEM specified, itโs the go-to choice for mechanics and serious DIYers seeking reliable, long-lasting seals.
| ASIN | B08CRYCZ91 |
| Best Sellers Rank | #47,098 in Automotive ( See Top 100 in Automotive ) #201 in Automotive Fillers, Adhesives & Sealants |
| Brand | Permatex |
| Brand Name | Permatex |
| Color | Optimum Red |
| Colour | Optimum Red |
| Customer Reviews | 4.7 out of 5 stars 453 Reviews |
| EU Spare Part Availability Duration | 5 Years |
| Included Components | Optimum Red High Temperature Gasket Maker |
| Item Thickness | 0.2 Inches |
| Item Type Name | Permatex Optimum Red High Temperature Gasket Maker 3.35 oz |
| Item thickness | 0.2 Inches |
| Manufacturer | Permatex |
| Material | Silicone |
| Material Type | Silicone |
| Model | 27038 |
| Number of Items | 1 |
| Part Number | 27038 |
| UPC | 686226987631 686226270382 |
| Unit Count | 1 Count |
| Upper Temperature Rating | 750 Degrees Fahrenheit |
| Upper temperature rating | 750 Degrees Fahrenheit |
R**D
Permanent high temp red
Does a super job. No complaints
T**B
Better than the toothpaste tubes
Not sure what is up with the toothpaste tubes but the caps all brake now. They also always get holes in them and dry out. Tired of messing with that so got these cans. One came with a broke nozzle but it is still useable. pretty easy to use and less mess than the toothpaste tubes.
J**N
Great product simple to use
I recently used the Permatex 27038 Optimum Red RTV Silicone to install my intake manifold, and Iโm incredibly impressed with its performance! This silicone sealant was very simple to use, applying smoothly and evenly without any mess. It formed a strong, reliable seal that held up perfectly under high temperatures and pressure, ensuring my intake manifold installation was rock-solid. The product lived up to its promises, providing excellent adhesion and durability. I highly recommend this RTV silicone for any automotive sealing needs!
S**Y
All good.
All good ๐
G**Y
It's great.
This is good sealant.
Trustpilot
5 days ago
2 months ago