Koyo 89-92 Mazda RX-7 1.3L Late FC Chassis Turbo & Non Turbo Radiator - HH060643

Koyo 89-92 Mazda RX-7 1.3L Late FC Chassis Turbo & Non-Turbo Radiator – HH060643

The Koyo HH060643 is a performance-focused aluminum radiator designed for the late-model second-generation Mazda RX-7. Built specifically for 1989-1992 FC chassis with the 1.3L rotary engine—both turbocharged and naturally aspirated—this radiator delivers improved cooling capacity and long-term reliability compared to the factory unit.

Featuring a 48mm all-aluminum core and high fin density, the HH060643 provides superior heat dissipation to keep your rotary engine temperatures stable during spirited street driving, drift events, or extended track sessions. TIG-welded end tanks and Nocolok-brazed construction ensure maximum strength and durability.

This radiator is a true direct-fit design, retaining all OEM mounting points, working with the factory fan shroud and hoses, and requiring no modifications for installation. Whether you’re maintaining a clean street car or building a competition FC, the Koyo HH060643 is a proven upgrade for consistent cooling performance.

Features:

• Direct fit for 1989-1992 Mazda RX-7 FC3S with 1.3L turbo or naturally aspirated rotary engine

• 48mm high-capacity all-aluminum core for improved cooling performance

• High fin density for maximum heat transfer

• TIG-welded end tanks for strength and longevity

• Works with OEM hoses and fan shroud

• No modifications required for installation

Part Number: HH060643

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