Mishimoto MMRAD-RSX-02 Aluminum Radiator for 2002-2006 Acura RSX 2.0L

Vehicle Fitment

• 2002-2006 Acura RSX (Base & Type-S, FWD) with 2.0L K20 I4 - Manual Transmission

Features

• Direct-fit performance aluminum radiator engineered for Acura RSX cooling upgrades
• Full TIG-welded aluminum end tanks and brazed core for strength and durability
• Two-row, ~1.4" thick brazed aluminum core increases cooling capacity over stock
• Improved heat dissipation enhances engine performance during spirited driving or track use
• Includes 1.3 Bar high-pressure radiator cap to raise coolant boiling point for better thermal stability
• Magnetic drain plug captures metallic debris to protect the cooling system
• Precision engineered to bolt into factory mounting points - no cutting or modification required
• Backed by Mishimoto Lifetime Warranty

Specifications

• Material: 100% brazed aluminum
• Core Rows: 2
• Core Length: ~27.52"
• Core Height: ~13.75"
• Core Thickness: ~1.4"
• Overall Length: ~27.6"
• Overall Height: ~18.8"
• Overall Width: ~1.9"
• Fluid Capacity: ~1.91 gal
• Inlet Size: ~1.25"
• Outlet Size: ~1.25"
• Drain Plug Thread Size: M12 x 1.5
• Transmission Cooler: Not included - separate universal cooler recommended for automatics

Included Components

• 1x Mishimoto MMRAD-RSX-02 aluminum radiator
• 1x Mishimoto 1.3 Bar high-pressure radiator cap
• 1x Magnetic drain plug
• Mishimoto Lifetime Warranty documentation

Product Description

The Mishimoto MMRAD-RSX-02 performance aluminum radiator is a direct-fit cooling upgrade designed for **2002-2006 Acura RSX** models with the 2.0L K20 inline-4 engine and manual transmission. Built with a two-row brazed aluminum core and TIG-welded end tanks, this radiator increases coolant capacity and heat dissipation compared with the stock unit - helping maintain stable operating temperatures under spirited driving, track use, or extended highway driving.

Installation is straightforward with direct OEM mounting compatibility that requires no cutting or modification. The included high-pressure 1.3 Bar radiator cap raises the coolant's boiling point to improve thermal performance, while the magnetic drain plug helps trap metallic debris to protect the cooling system. Backed by Mishimoto's Lifetime Warranty, the MMRAD-RSX-02 is an ideal upgrade for RSX enthusiasts seeking improved cooling efficiency and reliability. Automatic transmission applications may benefit from an optional universal transmission cooler.