---
product_id: 64478332
title: "Ronteix Universal ID 2.5'' to 2'' Silicone Reducer Coupler Radiator Hose (63MM to 51MM, RED/BLACK)"
brand: "ronteix"
price: "€ 28.29"
currency: EUR
in_stock: true
url: https://www.desertcart.pt/products/64478332-ronteix-universal-id-2-5-to-2-silicone-reducer-coupler
store_origin: PT
region: Portugal
---

# Bursting Pressure: 2Mpa Inner Diameter: 2.5'' to 2'' Working Temp: -60 ~ 260°C Ronteix Universal ID 2.5'' to 2'' Silicone Reducer Coupler Radiator Hose (63MM to 51MM, RED/BLACK)

**Brand:** ronteix
**Price:** € 28.29
**Availability:** ✅ In Stock

## Summary

> 🚗 Upgrade Your Cooling Game!

## Quick Answers

- **What is this?** Ronteix Universal ID 2.5'' to 2'' Silicone Reducer Coupler Radiator Hose (63MM to 51MM, RED/BLACK) by ronteix
- **How much does it cost?** € 28.29 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/64478332-ronteix-universal-id-2-5-to-2-silicone-reducer-coupler)

## Best For

- ronteix enthusiasts

## Why This Product

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

## Key Features

- • **Precision Fit:** Size tolerance of +/-0.5mm guarantees a snug fit every time.
- • **Transform Your Ride:** Seamlessly adapt your radiator hose with this versatile coupler.
- • **Bold Aesthetic Choices:** Available in striking red and black to match your style.
- • **Robust Pressure Handling:** Engineered for a working pressure of 0.3 to 0.9Mpa, ensuring durability.
- • **Extreme Temperature Resilience:** Withstands temperatures from -60°C to 260°C for all climates.

## Overview

The Ronteix Universal ID Silicone Reducer Coupler is a high-performance radiator hose solution designed to transition from 2.5'' (63mm) to 2'' (51mm) with a length of 3.0'' (76mm). Built to endure extreme temperatures and pressures, this coupler is perfect for automotive enthusiasts looking for reliability and style.

## Description

Ronteix 4-ply reinforced straight reducer silicone hose is made of high quality 4-ply silicone and knitted premium polyester fabric, the reducer silicone coupler wall thickness is 5mm.    Ronteix silicone hoses reducer works well under the temperature range from-60~260 degrees, and resist pressure range from 0.3 to 0.9Mpa, and 2Mpa bursting pressure.    Ronteix silicone hose are hand-crafted made carefully, and we controlled the size tolerance between +/-0.5mm.   Ronteix silicone coupler hose are used in high performance racing vehicles, commercial truck and bus, Marine, agricultural and off highway vehicles, turbo diesel, food and beverage, and general manufacturing industries, provide excellent resistance for high temperature applications.

## Features

- Inner Diameter: 2.5''(63mm) to 2''(51mm). Length: 3.0''(76mm). Thickness: 5mm;
- Working temperature: -60 ~ 260 degrees
- Working Pressure: 0.3 to 0.9Mpa
- Bursting Pressure: 2Mpa
- Size tolerance: +/-0.5mm

## Images

![Ronteix Universal ID 2.5'' to 2'' Silicone Reducer Coupler Radiator Hose (63MM to 51MM, RED/BLACK) - Image 1](https://images-na.ssl-images-amazon.com/images/I/41nMrxbgUmL.jpg)
![Ronteix Universal ID 2.5'' to 2'' Silicone Reducer Coupler Radiator Hose (63MM to 51MM, RED/BLACK) - Image 2](https://images-na.ssl-images-amazon.com/images/I/411JBIPd84L.jpg)
![Ronteix Universal ID 2.5'' to 2'' Silicone Reducer Coupler Radiator Hose (63MM to 51MM, RED/BLACK) - Image 3](https://images-na.ssl-images-amazon.com/images/I/51G%2BrsVL7OL.jpg)
![Ronteix Universal ID 2.5'' to 2'' Silicone Reducer Coupler Radiator Hose (63MM to 51MM, RED/BLACK) - Image 4](https://images-na.ssl-images-amazon.com/images/I/41eubqaWtfL.jpg)

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**Shop now:** [https://www.desertcart.pt/products/64478332-ronteix-universal-id-2-5-to-2-silicone-reducer-coupler](https://www.desertcart.pt/products/64478332-ronteix-universal-id-2-5-to-2-silicone-reducer-coupler)

---

*Product available on Desertcart Portugal*
*Store origin: PT*
*Last updated: 2026-04-24*