Koyorad: Alloy Radiator: MAZDA Savanna / RX-7 FC3 85-89 (53mm Core)
Enhance your Mazda Savanna/RX‑7 FC3 (1985–1989, 13BT engine, manual transmission) with the Koyorad KL060642R all-aluminum radiator. Built to FIA-quality with a 53 mm core, it offers significantly improved cooling efficiency for both daily driving and track use. Featuring Koyorad’s N-Flo triple-pass internal design, precision TIG-welded end tanks, and polished finish, it ensures long-lasting performance and no-fitment issues—bolts in using stock brackets, hoses, shroud, and cap. A plug-and-play solution ideal for rotary engine longevity and heat management.
USA Part Nos.: N/A
OEM Part Nos: N/A
Car Models: Savanna / RX-7 FC 1.3 10/85-
Engine code(s): 13B-T
Diagrams:
Koyorad Code Notes
KS* 25mm core thickness, 1 row
KV* 36mm core thickness, 2 row
KH* 48mm core thickness, 2 row
KL* 53mm core thickness, 2 row
V / U06* at the end = deviation from OE
R* at the end = widerfin pitch
N* at the end = N flow, a partition in the tank to create N shape coolant flow for better cooling efficiency, triple pass
Material is Full Aluminum
Transmission - ALL MT type (No oil cooler), except for models with w/ OC indication. AT needs external oilcooler.
Fillerneck - All radiators with fillerneck are excl caps, these require the old system caps.
Please note that all cross references information are subject to errors and changes. Stock Images Used. Actual Product May Vary.