Mishimoto MMPS-TRX450R-04 Powersports Radiator for 2004-2009 Honda TRX450R

Vehicle Fitment

• 2004-2009 Honda TRX450R (All Trims, 450 cc, ATV / Off-Road)

Features

• Direct-fit aluminum radiator engineered for Honda TRX450R models
• 100 % aircraft-grade aluminum construction for durability and improved cooling
• Patented X-Brace core design strengthens core and end tanks under off-road use
• Precision TIG welds are stronger than brazed or crimped joints for long life
• Delivers approximately 30 % greater cooling efficiency over stock radiator
• Designed to resist flexing and cracking on rough terrain
• Includes Mishimoto radiator cap to maintain pressure integrity
• Backed by Mishimoto Lifetime Limited Warranty

Specifications

• Material: Aircraft-grade aluminum with TIG welded construction
• Core Rows: 2 (enhanced cooling surface versus stock)
• Core Size: ~12.52" L x 8.46" H x 1.57" Thick
• Overall Size: ~12.52" L x 13" H x 4.07" W
• Inlet Diameter: ~0.63"
• Outlet Diameter: ~0.75"
• Finish: Natural aluminum (no paint/coating)
• Mount Type: Direct OEM replacement, no modifications required

Included Components

• 1x Mishimoto aluminum radiator (MMPS-TRX450R-04)
• 1x Mishimoto radiator cap

Product Description

The Mishimoto MMPS-TRX450R-04 Powersports Radiator is a robust cooling upgrade designed specifically for the 2004-2009 Honda TRX450R ATV. Built from high-quality aircraft-grade aluminum with precision TIG welding and a patented X-Brace core design, this radiator provides significantly improved durability and heat dissipation compared to the stock unit - helping keep engine temperatures down during intense trail riding, racing, or off-road use. Its enhanced construction resists flexing and cracking on rough terrain, giving riders confidence in demanding environments.

Installation is straightforward thanks to the direct OEM fit, and the radiator includes a Mishimoto-branded cap to maintain proper system pressure. With approximately 30 % better cooling efficiency over the stock radiator and backed by Mishimoto's Lifetime Limited Warranty, the MMPS-TRX450R-04 is an excellent performance upgrade for Honda TRX450R owners wanting improved reliability and temperature control under high stress and extended riding conditions.