---
product_id: 253302985
title: "J-B Weld 31914 Red High Temperature RTV Silicone Gasket Maker and Sealant - 10.3 oz."
brand: "j-b weld"
price: "¥5716"
currency: JPY
in_stock: true
reviews_count: 8
category: "J B Weld"
url: https://www.desertcart.jp/products/253302985-j-b-weld-31914-red-high-temperature-rtv-silicone-gasket
store_origin: JP
region: Japan
---

# Waterproof, weather-resistant seal Withstands up to 550ºF continuous heat Trusted by pros for durable bonding J-B Weld 31914 Red High Temperature RTV Silicone Gasket Maker and Sealant - 10.3 oz.

**Brand:** j-b weld
**Price:** ¥5716
**Availability:** ✅ In Stock

## Summary

> 🔥 Seal like a pro, last like a legend!

## Quick Answers

- **What is this?** J-B Weld 31914 Red High Temperature RTV Silicone Gasket Maker and Sealant - 10.3 oz. by j-b weld
- **How much does it cost?** ¥5716 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/253302985-j-b-weld-31914-red-high-temperature-rtv-silicone-gasket)

## Best For

- j-b weld enthusiasts

## Why This Product

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

## Key Features

- • **Heat-Defying Sealant:** Handles extreme temps up to 550ºF without breaking a sweat
- • **Pro-Grade Reliability:** Preferred by mechanics and builders for tough, lasting bonds
- • **Effortless Application:** Air moisture cures to a crack-proof, shrink-proof finish
- • **Weatherproof & Sensor Safe:** Resists weathering and won’t interfere with sensitive electronics
- • **Versatile Surface Compatibility:** Bonds strong on metal, glass, rubber & more

## Overview

J-B Weld 31914 Red High Temperature RTV Silicone Gasket Maker and Sealant is a professional-grade, high-temp silicone sealant designed to withstand continuous heat up to 550ºF and intermittent spikes to 650ºF. Trusted by mechanics and builders, it cures with air moisture to form a durable, waterproof, and weather-resistant gasket that bonds to multiple surfaces without shrinking or cracking. Ideal for automotive and mechanical assemblies requiring a tough, sensor-safe seal.

## Description

Buy J-B Weld 31914 Red High Temperature RTV Silicone Gasket Maker and Sealant - 10.3 oz. online on desertcart.ae at best prices. ✓ Fast and free shipping ✓ free returns ✓ cash on delivery available on eligible purchase.

Review: Great product - useful and true to their word.
Review: price, delivery - very good

## Features

- HI TEMP SILICONE GASKET MAKER & SEALANT: Is an RTV Silicone gasketing material, designed for use in mechanical assemblies where continuous temperatures up to 550º F or 650º F intermittent exist
- WHAT THE PROFESSIONALS USE: Builders, mechanics & repair pros know our products bond strong to a variety of surfaces in even the toughest environments. Choose the product pros trust for your project
- EASY TO USE: Curing when the product is exposed to the moisture in air, it forms a tough, waterproof seal on most surfaces. It will not shrink or crack, resists weathering and is sensor safe

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B01BWZ1QMW |
| Best Sellers Rank | #37,759 in Automotive ( See Top 100 in Automotive ) #153 in Automotive Fillers, Adhesives & Sealants |
| Brand | J-B Weld |
| Customer Reviews | 4.6 4.6 out of 5 stars (1,088) |
| Date First Available | 31 May 2016 |
| Item Weight | 292 g |
| Item model number | 31914 |
| Manufacturer | JBWeld |
| Manufacturer Part Number | 31914 |
| Model | 31914 |
| Product Dimensions | 27.9 x 22.9 x 12.7 cm; 292 g |
| Special Features | Strong, Waterproof |
| Viscosity | Medium to High Viscosity |

## Product Details

- **Brand:** J-B Weld
- **Colour:** Red
- **Full cure time:** 1 Hours
- **Item weight:** 292 Grams
- **Liquid volume:** 300 Milliliters

## Images

![J-B Weld 31914 Red High Temperature RTV Silicone Gasket Maker and Sealant - 10.3 oz. - Image 1](https://m.media-amazon.com/images/I/71i-Ee2a9lL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great product
*by J***3 on 13 December 2022*

useful and true to their word.

### ⭐⭐⭐⭐⭐ price, delivery
*by M***A on 11 March 2022*

very good

### ⭐ Did not cure when applied in warm outside temperature
*by M***L on 10 July 2023*

This product did not cure at all after 24 hours when applied it on a water tank outdoors in warm temperature (40⁰C).

## Frequently Bought Together

- J-B Weld 31914 Red High Temperature RTV Silicone Gasket Maker and Sealant - 10.3 oz.
- Permatex 81409 High-Temp Red RTV Silicone Gasket, 11 oz.

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**Shop now:** [https://www.desertcart.jp/products/253302985-j-b-weld-31914-red-high-temperature-rtv-silicone-gasket](https://www.desertcart.jp/products/253302985-j-b-weld-31914-red-high-temperature-rtv-silicone-gasket)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-02-23*