---
product_id: 436070349
title: "Flexfab 5526 Series 5/8\" x 25' Boxed Blue Silicone Heater Hose - 16mm .63\" Radiator Coolant Hose Part 5526-062"
brand: "hpcouplers"
price: "S$314"
currency: SGD
in_stock: true
url: https://www.desertcart.sg/products/436070349-flexfab-5526-series-5-8-x-25-boxed-blue-silicone
store_origin: SG
region: Singapore
---

# 300 PSI burst 0.63" ID -65°F to +350°F Flexfab 5526 Series 5/8" x 25' Boxed Blue Silicone Heater Hose - 16mm .63" Radiator Coolant Hose Part 5526-062

**Brand:** hpcouplers
**Price:** S$314
**Availability:** ✅ In Stock

## Summary

> 🚗 Elevate Your Ride with Flexfab's Ultimate Hose!

## Quick Answers

- **What is this?** Flexfab 5526 Series 5/8" x 25' Boxed Blue Silicone Heater Hose - 16mm .63" Radiator Coolant Hose Part 5526-062 by hpcouplers
- **How much does it cost?** S$314 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/436070349-flexfab-5526-series-5-8-x-25-boxed-blue-silicone)

## Best For

- hpcouplers enthusiasts

## Why This Product

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

## Key Features

- • **Precision Fit:** Designed with a 0.63" inside diameter and 0.96" outside diameter for a perfect fit in your vehicle's cooling system.
- • **Generous Length:** Comes in a factory box with 25 feet of premium silicone hose, giving you the flexibility to tackle any project.
- • **Vibrant Aesthetic:** The striking blue color not only performs but also adds a pop of style to your engine bay.
- • **High Burst Pressure:** With a burst pressure of 300 PSI, this hose is built to handle the toughest automotive cooling demands.
- • **Unmatched Durability:** Engineered to withstand extreme temperatures from -65°F to +350°F, ensuring reliability in any condition.

## Overview

The Flexfab 5526 Series 5/8" x 25' Boxed Blue Silicone Heater Hose is a high-performance automotive coolant hose designed for durability and reliability. With an inside diameter of 0.63" and a maximum burst pressure of 300 PSI, it can withstand extreme temperatures ranging from -65°F to +350°F. This 25-foot length of silicone hose is perfect for various automotive cooling applications, ensuring your vehicle runs smoothly and efficiently.

## Description

Flexfab 5526 Series 5/8" x 25' Boxed Blue Silicone Heater Hose - 16mm .63" Radiator Coolant Hose Part 5526-062

## Features

- Flexfab 5526-062X25
- Inside Diameter (ID): 0.63" (16mm) ,Outside Diameter (OD): 0.96" (24mm)
- -65°F (-54°C) to +350°F (+177°C)
- Actual Burst Pressure 300 PSI / SAE J20 R3 250 PSI
- Factory Box 1-2 Lengths of Hose Equalling 25 ft in length.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | hpcouplers |
| Material | Silicone |
| Color | Blue |
| Product Dimensions | 300"L x 0.96"W |
| Item Weight | 6.4 Pounds |
| Maximum Pressure | 3E+2 Pound per Square Inch |
| Nominal Wall Thickness | 0.625 inch |
| Outside Diameter | 0.96 Inches |
| Item Length | 25 Feet |
| UPC | 700811477427 |
| Manufacturer | Flexfab |
| Specific Uses For Product | Automotive cooling systems |
| Item Weight | 6.4 pounds |
| Manufacturer Part Number | 5526-062X25 |

## Product Details

- **Brand:** hpcouplers
- **Material:** Silicone
- **Color:** Blue
- **Product Dimensions:** 300"L x 0.96"W
- **Item Weight:** 6.4 Pounds
- **Maximum Pressure:** 3E+2 Pound per Square Inch
- **Nominal Wall Thickness:** 0.625 inch
- **Outside Diameter:** 0.96 Inches
- **Item Length:** 25 Feet
- **UPC:** 700811477427

## Images

![Flexfab 5526 Series 5/8" x 25' Boxed Blue Silicone Heater Hose - 16mm .63" Radiator Coolant Hose Part 5526-062 - Image 1](https://m.media-amazon.com/images/I/71R4SMkhXrL.jpg)

## Frequently Bought Together

- Flexfab 5526 Series 5/8" x 25' Boxed Blue Silicone Heater Hose - 16mm .63" Radiator Coolant Hose Part 5526-062
- Flexfab 5526 Series 3/4" x 25' Boxed Blue Silicone Heater Hose - 19mm .75" Radiator Coolant Hose Part 5526-075

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**Shop now:** [https://www.desertcart.sg/products/436070349-flexfab-5526-series-5-8-x-25-boxed-blue-silicone](https://www.desertcart.sg/products/436070349-flexfab-5526-series-5-8-x-25-boxed-blue-silicone)

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*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-03-01*