---
product_id: 533906076
title: "Silicone Fiberglass Sleeve Heat Shield Wire Protective High Temperature Electrical Insulation Self-extinguishing Black (5/16\"-16ft)"
brand: "buyuneed"
price: "$70"
currency: NZD
in_stock: true
reviews_count: 6
url: https://www.desertcart.nz/products/533906076-silicone-fiberglass-sleeve-heat-shield-wire-protective-high-temperature-electrical
store_origin: NZ
region: New Zealand
---

# 16ft length with 5/16" diameter Heat resistance up to 500℉ Silicone coating resists chemicals & abrasion Silicone Fiberglass Sleeve Heat Shield Wire Protective High Temperature Electrical Insulation Self-extinguishing Black (5/16"-16ft)

**Brand:** buyuneed
**Price:** $70
**Availability:** ✅ In Stock

## Summary

> 🔥 Shield your gear with next-level heat defense!

## Quick Answers

- **What is this?** Silicone Fiberglass Sleeve Heat Shield Wire Protective High Temperature Electrical Insulation Self-extinguishing Black (5/16"-16ft) by buyuneed
- **How much does it cost?** $70 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nz](https://www.desertcart.nz/products/533906076-silicone-fiberglass-sleeve-heat-shield-wire-protective-high-temperature-electrical)

## Best For

- buyuneed enthusiasts

## Why This Product

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

## Key Features

- • **Ultimate Heat Defense:** Protects wiring and hoses from extreme temperatures up to 500℉, ensuring longevity and safety.
- • **Chemical & Abrasion Shield:** Rugged silicone outer layer resists oils, fuels, hydraulic fluids, and physical wear for reliable durability.
- • **Precision Fit & Flexibility:** 5/16" inner diameter and 16ft length provide versatile coverage for brake lines, fuel lines, and wiring harnesses.
- • **Fire-Resistant Peace of Mind:** Self-extinguishing fiberglass core offers superior fire protection, reducing risk in high-heat environments.
- • **Professional-Grade Insulation:** Ideal for bundling and safeguarding electrical cables and hoses in demanding automotive and industrial settings.

## Overview

This Silicone Fiberglass Sleeve combines a heat-cleaned fiberglass core with a durable silicone rubber coating to provide superior protection against heat up to 500℉, chemical exposure, and abrasion. Measuring 16ft in length with a 5/16" inner diameter, it’s engineered for professional-grade insulation and fire resistance, perfect for safeguarding brake lines, fuel lines, wiring harnesses, and cables in high-temperature environments.

## Description

Full description not available

## Features

- Fiberglass Heat Shield Sleeve :Silicone fiberglass Sleeves inner layer is braided from glass fiber yarn,which is then stripped of loose fibers by means of a heat cleaning process,and the outer layer is tightly covered with silicone rubber,which has good dielectric property and softness
- Silicone Coated Wire Protective :Excellent protection against up to 60 percentage of radiant heat.this rugged silicone coating makes the fire sleeve resistant to most chemicals,including hydraulic fluids,oils and fuels.The coating also makes it resistant to abrasion and fraying.Used to protect brake lines,fuel lines,wiring harnesses and cables
- High Heat Wire Insulation :fire sleeve thermal insulator sleeve provides the ultimate in heat insulation and protection from direct heat up to 500℉.Heat sleeve solves the problem of heat and abrasions damaging fuel,transmission and brake lines and is fireproof solution.This Silicone Fiberglass Sleeve has a rugged silicone cover making it the perfect fit for applications were abrasion
- Uses of Silicone Fiberglass Sleeve :Heat Resistant Wire Wrap is a fire resistant flexible cover that can be used for thermal protection of wires,cables and hoses that are exposed to continuous high temperatures around a heat source.Insulating wiring hoses,oil/brakes/transmission lines&more,use for bundling&protecting electrical wires etc
- Fire Sleeve Information :Inner Diameter:3/16",5/16",3/8",9/16",3/4",Outer Diameter:7/32",11/32",13/32",19/32",25/32",Wall Thickness:1/64"

## Product Details

- **Brand:** BuyUneed
- **Color:** black
- **Material:** Fiberglass
- **Style:** 5/16"-16ft
- **Product Dimensions:** 192"L x 0.31"W

## Images

![Silicone Fiberglass Sleeve Heat Shield Wire Protective High Temperature Electrical Insulation Self-extinguishing Black (5/16"-16ft) - Image 1](https://m.media-amazon.com/images/I/81iPD9GfrHL.jpg)
![Silicone Fiberglass Sleeve Heat Shield Wire Protective High Temperature Electrical Insulation Self-extinguishing Black (5/16"-16ft) - Image 2](https://m.media-amazon.com/images/I/61KQzF18sUL.jpg)
![Silicone Fiberglass Sleeve Heat Shield Wire Protective High Temperature Electrical Insulation Self-extinguishing Black (5/16"-16ft) - Image 3](https://m.media-amazon.com/images/I/61+KU4KJC3L.jpg)
![Silicone Fiberglass Sleeve Heat Shield Wire Protective High Temperature Electrical Insulation Self-extinguishing Black (5/16"-16ft) - Image 4](https://m.media-amazon.com/images/I/61CaLcgwEdL.jpg)
![Silicone Fiberglass Sleeve Heat Shield Wire Protective High Temperature Electrical Insulation Self-extinguishing Black (5/16"-16ft) - Image 5](https://m.media-amazon.com/images/I/61tG3BXr9DL.jpg)

## Available Options

This product comes in different **Style** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Sleeving worked out well.
*by T***D on May 19, 2025*

Good product. Will purchase again.

### ⭐⭐⭐⭐⭐ Very nice quality.
*by M***C on May 8, 2025*

Nice quality, well made.

### ⭐⭐⭐⭐⭐ A Unique Product
*by C***M on May 14, 2024*

I bought two rolls of this product to protect the rewiring I’m doing on my teardrop trailer with silicone wire. I’m amazed at how flexible it is even though it is made from a combination of silicone and fiberglass. Thank you Buyuneed and Amazon!

## Frequently Bought Together

- Silicone Fiberglass Sleeve Heat Shield Wire Protective High Temperature Electrical Insulation Self-extinguishing Black (5/16"-16ft)
- Insulation Heat Shielded Fire Thermo Armor Fire Sleeve Silicone Coated Fiberglass Heat Protection for Automotive Hose Lines & Electrical Wiring-（Red 1/2" ID x5FT）

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**Shop now:** [https://www.desertcart.nz/products/533906076-silicone-fiberglass-sleeve-heat-shield-wire-protective-high-temperature-electrical](https://www.desertcart.nz/products/533906076-silicone-fiberglass-sleeve-heat-shield-wire-protective-high-temperature-electrical)

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*Product available on Desertcart New Zealand*
*Store origin: NZ*
*Last updated: 2026-01-25*