---
product_id: 19692128
title: "Mishimoto MMRAD-CIV-06SI Performance Aluminum Radiator Fits Honda Civic Si 2006-2011"
brand: "mishimoto"
price: "106333 kr"
currency: ISK
in_stock: true
reviews_count: 10
category: "Mishimoto"
url: https://www.desertcart.is/products/19692128-mishimoto-mmrad-civ-06si-performance-aluminum-radiator-fits-honda-civic
store_origin: IS
region: Iceland
---

# Fits 2006-2011 Honda Civic Si (K-series engine) All-aluminum construction with magnetic drain plug 1.57-inch thick brazed aluminum core Mishimoto MMRAD-CIV-06SI Performance Aluminum Radiator Fits Honda Civic Si 2006-2011

**Brand:** mishimoto
**Price:** 106333 kr
**Availability:** ✅ In Stock

## Summary

> ❄️ Stay Cool, Drive Bold: Upgrade Your Civic Si’s Heartbeat

## Quick Answers

- **What is this?** Mishimoto MMRAD-CIV-06SI Performance Aluminum Radiator Fits Honda Civic Si 2006-2011 by mishimoto
- **How much does it cost?** 106333 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.is](https://www.desertcart.is/products/19692128-mishimoto-mmrad-civ-06si-performance-aluminum-radiator-fits-honda-civic)

## 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

- • **Lifetime Confidence:** Backed by Mishimoto’s lifetime warranty—drive with zero worries and maximum performance.
- • **Durable All-Aluminum Build:** Lightweight yet robust aluminum construction resists corrosion and enhances longevity.
- • **Precision Fit for Civic Si:** Engineered specifically for 2006-2011 Honda Civic Si with K-series engine for seamless installation.
- • **Race-Ready Cooling Efficiency:** Two-row, 1.57-inch thick brazed aluminum core ensures optimal heat dissipation on street and track.
- • **Magnetic Drain Plug Innovation:** Easy maintenance with magnetic drain plug that captures debris, protecting your engine.

## Overview

The Mishimoto MMRAD-CIV-06SI is a precision-engineered aluminum radiator designed exclusively for 2006-2011 Honda Civic Si models with K-series engines. Featuring a thick, two-row brazed aluminum core and a magnetic drain plug, it delivers superior cooling performance and durability. Lightweight and corrosion-resistant, this radiator ensures your engine runs cooler and more efficiently, backed by Mishimoto’s lifetime warranty for ultimate peace of mind.

## Description

A Mishimoto performance aluminum radiator is the ideal upgrade to the stock Civic radiator. For a cooler more efficient running engine, all Mishimoto radiators are designed and engineered to maximize cooling and boost engine functions.

Review: Very nice - Nice addition to my car keeps cool.
Review: Good quality! - Once my mechanic replaced the radiator, and I drove the car, I felt more power for sure. The quality was very good, and I won't have to worry about my cars cooling system. Worth the money!

## 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 | #1,004,462 in Automotive ( See Top 100 in Automotive ) #4,736 in Automotive Replacement Engine Radiators |
| Brand | Mishimoto |
| Customer Reviews | 4.6 4.6 out of 5 stars (30) |
| Date First Available | February 1, 2006 |
| Exterior | Machined |
| Is Discontinued By Manufacturer | No |
| Item Weight | 5 pounds |
| Item model number | MMRAD-CIV-06SI |
| Manufacturer | Mishimoto |
| Manufacturer Part Number | MMRADCIV06SI |
| Model | MMRAD-CIV-06SI |
| OEM Part Number | MMRADCIV06SI |
| Product Dimensions | 30.5 x 7 x 21.5 inches |

## Images

![Mishimoto MMRAD-CIV-06SI Performance Aluminum Radiator Fits Honda Civic Si 2006-2011 - Image 1](https://m.media-amazon.com/images/I/712C6s4wM+L.jpg)
![Mishimoto MMRAD-CIV-06SI Performance Aluminum Radiator Fits Honda Civic Si 2006-2011 - Image 2](https://m.media-amazon.com/images/I/71Gda9WPOxL.jpg)
![Mishimoto MMRAD-CIV-06SI Performance Aluminum Radiator Fits Honda Civic Si 2006-2011 - Image 3](https://m.media-amazon.com/images/I/71PpM9k5+iL.jpg)
![Mishimoto MMRAD-CIV-06SI Performance Aluminum Radiator Fits Honda Civic Si 2006-2011 - Image 4](https://m.media-amazon.com/images/I/71TFmKoaGdL.jpg)
![Mishimoto MMRAD-CIV-06SI Performance Aluminum Radiator Fits Honda Civic Si 2006-2011 - Image 5](https://m.media-amazon.com/images/I/71avEzlWd2L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Very nice
*by S***E on June 26, 2023*

Nice addition to my car keeps cool.

### ⭐⭐⭐⭐ Good quality!
*by M***. on August 14, 2022*

Once my mechanic replaced the radiator, and I drove the car, I felt more power for sure. The quality was very good, and I won't have to worry about my cars cooling system. Worth the money!

### ⭐⭐⭐⭐⭐ Compatible with 2009-2011 civic ex.
*by S***N on September 22, 2019*

Compatible with 2009-2011 civic ex civic ex_l civic dx civic si civic MX This radiator is very excellent . my car civic 4 Door EX-L (NAVIGATION) It is really convenient .

## Frequently Bought Together

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

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.is/products/19692128-mishimoto-mmrad-civ-06si-performance-aluminum-radiator-fits-honda-civic](https://www.desertcart.is/products/19692128-mishimoto-mmrad-civ-06si-performance-aluminum-radiator-fits-honda-civic)

---

*Product available on Desertcart Iceland*
*Store origin: IS*
*Last updated: 2026-01-26*