---
product_id: 359471403
title: "Permatex 81725 Sensor-Safe Ultra Blue RTV Silicone Gasket Maker, 13 oz."
brand: "permatex"
price: "13979 som"
currency: KGS
in_stock: true
reviews_count: 5
category: "Permatex"
url: https://www.desertcart.kg/products/359471403-permatex-81725-sensor-safe-ultra-blue-rtv-silicone-gasket-maker
store_origin: KG
region: Kyrgyzstan
---

# -65°F to 500°F range 8x flexibility vs cork 3x oil resistance Permatex 81725 Sensor-Safe Ultra Blue RTV Silicone Gasket Maker, 13 oz.

**Brand:** permatex
**Price:** 13979 som
**Availability:** ✅ In Stock

## Summary

> 🔧 Seal like a pro, perform like a legend.

## Quick Answers

- **What is this?** Permatex 81725 Sensor-Safe Ultra Blue RTV Silicone Gasket Maker, 13 oz. by permatex
- **How much does it cost?** 13979 som with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.kg](https://www.desertcart.kg/products/359471403-permatex-81725-sensor-safe-ultra-blue-rtv-silicone-gasket-maker)

## 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

- • **Sensor-Safe Formula:** Non-corrosive and low odor, perfectly safe for modern sensor-equipped engines.
- • **Unmatched Flexibility:** Eight times more flexible than traditional cork/composite gaskets for superior durability under stress.
- • **Ultimate Oil Resistance:** Three times more resistant to oils than conventional silicones, ensuring long-lasting seals.
- • **Vibration & Fluid Defense:** OEM specified to resist auto fluids and vibration, maintaining integrity in the toughest conditions.
- • **Extreme Temperature Tolerance:** Operates flawlessly from -65°F up to 500°F intermittent, ready for any engine environment.

## Overview

Permatex 81725 Ultra Blue RTV Silicone Gasket Maker is a sensor-safe, OEM-specified sealant designed for automotive applications. It offers exceptional flexibility, oil resistance, and temperature tolerance, making it ideal for valve covers, oil pans, and transmission covers. Trusted by professionals for its durability and low odor, it ensures reliable, long-lasting seals in demanding environments.

## Description

Permatex Ultra Blue Multipurpose RTV Silicone Gasket Makers are sensor-safe, low odor and non-corrosive, with outstanding oil resistance and joint movement values. Developed to meet today's technology changes, Permatex ultra silicones are eight times more flexible than cork/composite gaskets and three times more oil resistant than conventional silicones. With a temperature range of -65 degrees fahrenheit to 500 degrees fahrenheit intermittent, these OEM specified gaskets resist auto and shop fluids, as well as vibration. These gasket makers offer significant performance advantages, excellent torque retention and hi-temp, sensor-safe properties. Permatex always has the right gasket maker for your application.

Review: 何時も愛用しています。
Review: Excelente produto, cumple su función

## Features

- These Original Equipment Manufacturer (OEM) specified gaskets resist auto and shop fluids, as well as vibration
- Eight times more flexible than cork/composite gaskets
- Three times more oil resistant than conventional silicones
- Sensor-safe, low odor, non-corrosive
- Suggested Applications: Valve covers, oil pans, timing covers, transmission pans, differential covers

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B000HBGK6U |
| Assembly Required | No |
| Batteries | 1 Unknown batteries required. |
| Best Sellers Rank | #36,296 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #634 in Lab Supplies |
| Brand | Permatex |
| Colour | Blue |
| Country of Origin | USA |
| Customer Reviews | 4.7 4.7 out of 5 stars (262) |
| Date First Available | 8 June 2013 |
| Exterior | Painted |
| Generic Name | Silicone Sealant |
| Global Trade Identification Number | 00686226817259 |
| Item Dimensions LxWxH | 48 x 48 x 286 Millimeters |
| Item Form | Liquid |
| Item Weight | 417 g |
| Item model number | 81725 |
| Liquid Volume | 13 Fluid Ounces |
| Manufacturer | Permatex |
| Manufacturer Part Number | 81725 |
| Material | Silicone |
| Model | Silicone Sealant |
| Net Quantity | 1.0 Count |
| Number of Items | 1 |
| OEM Part Number | 81725 |
| Outer Material | silicone |
| Product Dimensions | 4.78 x 4.78 x 28.58 cm; 417 g |
| Surface Recommendation | Metal, Plastic, Glass |
| UPC | 686226817259 |
| Voltage | 12 Volts |
| Water Resistance Level | Water Resistant |

## Product Details

- **Brand:** Permatex
- **Colour:** Blue
- **Item Form:** Liquid
- **Item Weight:** 417 Grams
- **Liquid Volume:** 13 Fluid Ounces

## Images

![Permatex 81725 Sensor-Safe Ultra Blue RTV Silicone Gasket Maker, 13 oz. - Image 1](https://m.media-amazon.com/images/I/81EynzpdOiL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by W***A on 30 March 2025*

何時も愛用しています。

### ⭐⭐⭐⭐⭐ Review
*by K***A on 1 December 2025*

Excelente produto, cumple su función

### ⭐⭐⭐⭐⭐ Review
*by D***S on 7 October 2025*

50 yr mastertech here . ultra blue is my go to. . great stuff

## Frequently Bought Together

- Permatex 81725 Sensor-Safe Ultra Blue RTV Silicone Gasket Maker, 13 oz.
- Permatex 24105 Ultra Black Maximum Oil Resistance RTV Silicone Gasket Maker, Sensor Safe And Non-Corrosive, For High Flex And Oil Resistant Applications 13 oz

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**Shop now:** [https://www.desertcart.kg/products/359471403-permatex-81725-sensor-safe-ultra-blue-rtv-silicone-gasket-maker](https://www.desertcart.kg/products/359471403-permatex-81725-sensor-safe-ultra-blue-rtv-silicone-gasket-maker)

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*Product available on Desertcart Kyrgyzstan*
*Store origin: KG*
*Last updated: 2026-02-18*