Koyorad: Alloy Radiator: Legacy IV 2.0 i Turbo * Man. 09/03-
Upgrade your Subaru Legacy IV 2.0 i Turbo manual (2003+) with the Koyorad Hyper V‑Series Alloy Radiator (Part No. KV091663R). This high-performance radiator features a durable, all-aluminum 36 mm Hyper core, designed to offer up to 50% greater cooling efficiency compared to stock units—ideal for both daily driving and track use. Crafted in Japan with precision TIG-welded end tanks, Nocolok-brazed cores, and a polished mirror finish, it delivers exceptional strength, leak-free performance, and timeless durability. Featuring OEM-specific mounts for BL5/BP5 chassis, this direct-fit, bolt-in radiator installs effortlessly with stock fan shroud, hoses, and sensors—no modifications required. Includes a billet filler neck and accessory port. Whether you're running stock power or tuning aggressively, this radiator ensures reliable thermal control under all conditions.
USA Part Nos.: N/A
OEM Part Nos: 45119AG030, 45111AG031, 45119AG030, 45119FG010
Car Models: Liberty / Legacy IV 2.0 09/03-
Engine code(s): EJ20
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.