---
product_id: 349383769
title: "81409 High-Temp Red RTV Silicone Gasket, 11 oz."
brand: "permatex"
price: "VT6332"
currency: VUV
in_stock: true
url: https://www.desertcart.vu/products/349383769-81409-high-temp-red-rtv-silicone-gasket-11-oz
store_origin: VU
region: Vanuatu
---

# Withstands extreme heat up to 650°F Vibrant red color for easy gasket identification 11 oz precision applicator tube 81409 High-Temp Red RTV Silicone Gasket, 11 oz.

**Brand:** permatex
**Price:** VT6332
**Availability:** ✅ In Stock

## Summary

> 🔥 Seal the deal with high-temp confidence!

## Quick Answers

- **What is this?** 81409 High-Temp Red RTV Silicone Gasket, 11 oz. by permatex
- **How much does it cost?** VT6332 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/349383769-81409-high-temp-red-rtv-silicone-gasket-11-oz)

## Best For

- permatex enthusiasts

## Why This Product

- Trusted permatex brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Vibrant Red Seal:** Distinctive red silicone ensures quick visual confirmation of a professional-grade gasket.
- • **Durable & Flexible:** Silicone formula maintains flexibility and adhesion, preventing leaks even under vibration.
- • **Heat-Resistant Power:** Engineered to endure temperatures up to 650°F, keeping your engine sealed under pressure.
- • **Precision Application:** 11 oz tube designed for smooth, controlled bead application—no mess, no waste.
- • **Trusted Brand Reliability:** Permatex, a leader in automotive sealants, guarantees quality and performance you can count on.

## Overview

Permatex 81409 High-Temp Red RTV Silicone Gasket is a professional-grade, 11 oz silicone sealant designed to withstand extreme temperatures up to 650°F. Its vibrant red color allows for easy inspection, while its flexible, durable formula ensures a leak-proof seal in automotive and industrial applications.

## Description

Permatex 81409 High-Temp Red RTV Silicone Gasket, 11 oz.

## Features

- manufacturer: Permatex
- Item Trademark: PERMATEX
- Item Weight: pounds, pounds, 0.4, 0.4

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Permatex |
| Brand | Permatex |
| Product Dimensions | 4.78 x 4.78 x 28.58 cm; 181.44 g |
| Item model number | 81409 |
| Manufacturer Part Number | 81409 |
| OEM Part Number | 81409 |
| Item Weight | 181 g |

## Product Details

- **Colour:** Red
- **Brand:** Permatex
- **Item weight:** 181 g
- **Liquid volume:** 11 Fluid Ounces
- **Full cure time:** 24 Hours

## Images

![81409 High-Temp Red RTV Silicone Gasket, 11 oz. - Image 1](https://m.media-amazon.com/images/I/51W8qNlFSML.jpg)

## Questions & Answers

**Q: would gasoline eat it? Wondered if it could fix a gas line.**
A: Yes - gas would eat it, the only thing that will fix a gas line is a new one....

**Q: Is this rear differential lubricant compatible?**
A: Permatex 81409 High Temp Red RTV is a Sealant. It is one the most widely used gasket compounds. Made from silicone, RTV is air curing, it seals, bonds waterproofs, fills surface irregularities, remains flexible, doesn't shrink, is relatively easy to remove, and is used as supplementary sealer with almost all low and medium temperature gaskets. It used on the gasket or gaskets of differential. Compatible is not in question because it used on the gasket or gaskets which are outside the flange of differential. I hope that this answer your question. Please let me know if this helps.

**Q: Can I seal a knife cut on a rubber roller on a laminator**
A: I was told by my furnace repair man that this is a 5 star

**Q: Will this product adhear to Cast Iron?**
A: Yes

## Frequently Bought Together

- Permatex 81409 High-Temp Red RTV Silicone Gasket, 11 oz.
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- Permatex 82195 Ultra Grey Rigid High-Torque RTV Silicone Gasket Maker, Sensor Safe And Non-Corrosive, For High Torque And Vibration Resistant Applications, 13 oz

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**Shop now:** [https://www.desertcart.vu/products/349383769-81409-high-temp-red-rtv-silicone-gasket-11-oz](https://www.desertcart.vu/products/349383769-81409-high-temp-red-rtv-silicone-gasket-11-oz)

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*Product available on Desertcart Vanuatu*
*Store origin: VU*
*Last updated: 2026-02-04*