Performance Radiator for Toyota Supra (1986-1992) 3.0L Manual

High-Efficiency Performance Radiator for 1986-1992 Toyota Supra

Direct-Fit Cooling Upgrade: Engineered to replace the factory heat exchanger, providing significantly increased thermal dissipation and fluid capacity for 3.0L manual drivetrains.

The Stock Supra Thermal Bottleneck

The factory cooling unit on the A70 Supra utilizes aged crimped-tank construction prone to thermal fatigue, seam degradation, and eventual coolant loss. The notorious heat retention of the inline-six 7M architecture accelerates plastic tank brittleness and micro-fracturing under elevated operating temperatures. Furthermore, the restrictive OEM core density struggles to shed heat effectively during sustained load, increasing the risk of thermal runaway and head gasket failure.

The Engineering Solution

This drop-in performance unit features 100% furnace-brazed, TIG-welded T-6061 aluminum construction, completely eliminating failure-prone plastic end tanks and mechanical crimp seals. The high-density dual-row core increases fluid volume by over 30% and optimizes surface-area airflow contact, drastically reducing coolant return temperatures and preventing heat soak under demanding driving conditions.

Technical Specifications

Compatibility

• 1986-1992 Toyota Supra Base 3.0L L6 (Manual Transmission)
• 1987-1992 Toyota Supra Turbo 3.0L L6 (Manual Transmission)
• Direct-fit OE replacement for part number 16400-42110
• Note: Does not fit 1993-1998 (A80/MK4) Supra models

The Toyota JDM Performance Standard

Preserve the legendary durability of your classic JDM platform with heavy-duty cooling engineered to manage aggressive boost levels, extended track sessions, and demanding high-RPM runs without thermal degradation.