---
product_id: 286572747
title: "Mishimoto MMRAD-CIV-06SI Performance Aluminum Radiator Compatible With Honda Civic Si 2006-2011"
brand: "mishimoto"
price: "€ 539.95"
currency: EUR
in_stock: true
reviews_count: 6
category: "Mishimoto"
url: https://www.desertcart.ie/products/286572747-mishimoto-mmrad-civ-06si-performance-aluminum-radiator-compatible-with-honda
store_origin: IE
region: Ireland
---

# Fits 2006-2011 Honda Civic Si K-series perfectly All-aluminum construction with magnetic drain plug 1.57-inch thick aluminum core for superior cooling Mishimoto MMRAD-CIV-06SI Performance Aluminum Radiator Compatible With Honda Civic Si 2006-2011

**Brand:** mishimoto
**Price:** € 539.95
**Availability:** ✅ In Stock

## Summary

> ❄️ Keep your Civic Si cool, calm, and track-ready—because overheating is so last season.

## Quick Answers

- **What is this?** Mishimoto MMRAD-CIV-06SI Performance Aluminum Radiator Compatible With Honda Civic Si 2006-2011 by mishimoto
- **How much does it cost?** € 539.95 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ie](https://www.desertcart.ie/products/286572747-mishimoto-mmrad-civ-06si-performance-aluminum-radiator-compatible-with-honda)

## Best For

- mishimoto enthusiasts

## Why This Product

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

## Key Features

- • **Magnetic Drain Plug:** Innovative magnetic plug captures debris, protecting your engine’s longevity.
- • **Durable All-Aluminum Build:** Lightweight yet tough construction resists corrosion and maximizes heat dissipation.
- • **Precision Fit for Civic Si:** Tailored dimensions (26.8 x 18.2 x 2.07 inches) guarantee seamless installation and OEM-level performance.
- • **Lifetime Warranty Confidence:** Backed by Mishimoto’s lifetime warranty—drive with zero worries.
- • **Race-Ready Cooling Efficiency:** Two-row brazed aluminum core ensures your engine stays chill on street and track.

## Overview

The Mishimoto MMRAD-CIV-06SI is a high-performance aluminum radiator engineered specifically for 2006-2011 Honda Civic Si models with K-series engines. Featuring a robust two-row, 1.57-inch thick brazed aluminum core and all-aluminum construction with a magnetic drain plug, it delivers superior cooling efficiency and durability. Its precise fit and lightweight design make it an ideal upgrade for both street driving and track performance, backed by a lifetime warranty for lasting peace of mind.

## Description

Mishimoto MMRAD-CIV-06SI Honda Civic SI Performance Aluminium Radiator, 2006-2011, Silver

Review: Bond paad - strong and strong
Review: Nice addition to my car keeps cool.

## Features

- Compatible with the 2006–2011 Honda Civic Si w/ K-series engine
- Overall Size: 26.8 x 18.2 x 2.07 inches. Features a two-row, 1.57 inch thick brazed aluminum core which provides efficient fluid temperature regulation on the street and track
- Inlet & Outlet: 1.25 inch / Core Thickness: 1.57 inch / Tank Wall Thickness: 0.08 inch
- All-aluminum construction includes magnetic drain plug
- Mishimoto Lifetime Warranty

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B003GZE1G0 |
| Best Sellers Rank | #42,790 in Automotive ( See Top 100 in Automotive ) #21 in Car Radiators |
| Brand | Mishimoto |
| Customer Reviews | 4.5 4.5 out of 5 stars (29) |
| Date First Available | 1 January 2024 |
| Item Weight | 2.27 Kilograms |
| Item model number | MMRAD-CIV-06SI |
| Manufacturer | Mishimoto |
| Manufacturer Part Number | MMRADCIV06SI |
| Model | MMRAD-CIV-06SI |
| OEM Part Number | MMRADCIV06SI |
| Product Dimensions | 77.47 x 17.78 x 54.61 cm; 2.27 kg |

## Images

![Mishimoto MMRAD-CIV-06SI Performance Aluminum Radiator Compatible With Honda Civic Si 2006-2011 - Image 1](https://m.media-amazon.com/images/I/71Gda9WPOxL.jpg)
![Mishimoto MMRAD-CIV-06SI Performance Aluminum Radiator Compatible With Honda Civic Si 2006-2011 - Image 2](https://m.media-amazon.com/images/I/71avEzlWd2L.jpg)
![Mishimoto MMRAD-CIV-06SI Performance Aluminum Radiator Compatible With Honda Civic Si 2006-2011 - Image 3](https://m.media-amazon.com/images/I/71cri9bWT6L.jpg)
![Mishimoto MMRAD-CIV-06SI Performance Aluminum Radiator Compatible With Honda Civic Si 2006-2011 - Image 4](https://m.media-amazon.com/images/I/71TFmKoaGdL.jpg)
![Mishimoto MMRAD-CIV-06SI Performance Aluminum Radiator Compatible With Honda Civic Si 2006-2011 - Image 5](https://m.media-amazon.com/images/I/71PpM9k5+iL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Bond paad
*by M***R on 10 April 2024*

strong and strong

### ⭐⭐⭐⭐⭐ Review
*by S***E on 26 June 2023*

Nice addition to my car keeps cool.

### ⭐⭐⭐ Review
*by J***K on 3 June 2020*

Produit est excellent très bonne qualité Mais le shipping jer trouver ça plate un px Recevoir mon achat déjà ouvert sans papier rien alors que j’attendais avec impatience le petit 🐧 sent Bon 😭 Je sais pas si un collant vien avec aussi Mais jamais eux signe de vie de ca part

## Frequently Bought Together

- Mishimoto MMRAD-CIV-06SI Performance Aluminum Radiator Compatible With Honda Civic Si 2006-2011
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- Mishimoto MMHOSE-CIV-06RD Silicone Radiator Hose Kit Compatible With Honda Civic 2006-2011 Red

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*Product available on Desertcart Ireland*
*Store origin: IE*
*Last updated: 2026-02-16*