Performance Radiator for Mitsubishi 3000GT (1991-1999) 3.0L Manual

High-Capacity Aluminum Performance Radiator for 1991-1999 Mitsubishi 3000GT

Replaces the failure-prone factory plastic-tank radiator with a full-aluminum, 2-row core design to significantly lower coolant temperatures during high-load driving.

The Stock 3000GT Cooling System Limitations

The factory radiator in the 1991-1999 Mitsubishi 3000GT relies on crimped plastic end tanks bonded to a thin aluminum core. Over decades of thermal cycling, these plastic tanks become brittle, causing micro-fractures at the coolant necks and catastrophic seal failures along the crimped seams. Additionally, the notoriously tightly packed engine bay of the Z-chassis restricts natural ambient airflow. Under sustained high RPMs, track use, or heavy traffic, the limited fluid capacity of the OEM single-row core results in rapid heat soak. This overwhelms the system's ability to dissipate thermal load, putting the 6G72's head gaskets at critical risk.

The Engineering Solution

This performance radiator eliminates OEM structural weaknesses by utilizing TIG-welded, all-aluminum construction. Featuring a massive 28.25" x 14.75" x 2.25" dual-row core, it substantially increases total fluid volume and maximizes heat-dissipating surface area. The dense fin pitch ensures optimal thermal transfer, drawing heat away from the coolant exponentially faster than the stock unit. Utilizing 1.5-inch inlet and outlet ports that match factory hose routing seamlessly, this radiator maintains ideal coolant velocity without restriction. The TIG-welded aluminum end tanks easily withstand higher operating system pressures without the risk of splitting, ensuring consistent engine temperatures whether on a canyon run or extended idling.

Technical Specifications

Compatibility

• 1991 Mitsubishi 3000GT 3.0L Manual Transmission
• 1992 Mitsubishi 3000GT 3.0L Manual Transmission
• 1993 Mitsubishi 3000GT 3.0L Manual Transmission
• 1994 Mitsubishi 3000GT 3.0L Manual Transmission
• 1995 Mitsubishi 3000GT 3.0L Manual Transmission
• 1996 Mitsubishi 3000GT 3.0L Manual Transmission
• 1997 Mitsubishi 3000GT 3.0L Manual Transmission
• 1998 Mitsubishi 3000GT 3.0L Manual Transmission
• 1999 Mitsubishi 3000GT 3.0L Manual Transmission

The Mitsubishi Performance Standard

Upgrading the Z-chassis cooling system unlocks consistent power delivery and ensures long-term reliability for your JDM classic, allowing the 6G72 powerplant to perform flawlessly without the constant threat of heat-induced mechanical degradation.