Mishimoto Aluminum Performance Radiator Honda Civic Si 2017-2020 | MMRAD-CIV-16

Product Fitment:

2017-2020 Honda Civic Si

The Mishimoto Aluminum Performance Radiator is engineered specifically for 2016+ Honda Civic 1.5T and Si models, delivering superior cooling performance over the factory radiator. This high-flow aluminum radiator features increased core thickness and optimized fin density to handle modified engines and aggressive driving conditions while maintaining CARB compliance for street legal operation.

Key Features & Benefits

• 100% Aluminum Construction - Superior heat dissipation and corrosion resistance compared to plastic/aluminum OEM radiators
• Increased Core Thickness - Enhanced cooling capacity for turbocharged 1.5T engines and high-performance Si models
• Direct Bolt-On Fitment - OEM mounting points and connections for hassle-free installation
• CARB Compliant Design - Street legal in all 50 states with proper emissions certification
• Lifetime Warranty - Mishimoto's industry-leading warranty coverage for peace of mind
• Track-Tested Performance - Proven cooling efficiency under extreme conditions

What's Included

• Mishimoto Aluminum Performance Radiator
• Drain Plug
• Installation Hardware
• Mishimoto Lifetime Warranty

Specifications

Fitment & Compatibility

This performance radiator is designed for 2016-2023+ Honda Civic models equipped with the 1.5L Turbocharged engine, including Civic Si variants. Compatible with both manual and CVT transmissions. Fits sedans, coupes, and hatchback body styles. Does the Mishimoto radiator fit 2019 Honda Civic Si? Yes, this radiator is specifically engineered for 2016+ Civic Si models with the 1.5T engine.

Installation

Direct bolt-on replacement requiring basic hand tools. Installation typically takes 1-2 hours and involves draining coolant, removing factory radiator, and installing the Mishimoto unit using OEM mounting points. Professional installation recommended for those unfamiliar with cooling system service.