Koyorad: Alloy Radiator: Rad. Impreza 1.8 man. '93-
Upgrade your Subaru Impreza (GC/GF chassis, 1.8 L–2.2 L manual, 1993–1998) with the Koyorad Hyper V-Series Alloy Radiator (Part No. KL090632R, also sold as VH090632). Featuring a high-density 36 mm Hyper V-Core, this all-aluminum racing-grade radiator significantly improves heat dissipation—up to 50% cooler running temperatures compared to the stock plastic unit. Hand-crafted in Japan with precision TIG-welded end tanks, Nocolok-brazed core, and hand heli-arc welding, it offers outstanding strength and leak-free reliability. Designed as a direct bolt-on replacement, it retains OEM fan shroud, hoses, mounts, and sensor fittings for hassle-free installation—no modifications required . Ideal for daily driving, spirited runs, or track duty, this plug-and-play upgrade enhances thermal efficiency and engine protection under demanding conditions.
USA Part Nos.: N/A
OEM Part Nos: 45199FA040, 45199FC031
Car Models: Impreza I 1.5/1.6/1.8/2.0 11/92-
Engine code(s): EJ15, EJ16, EJ18, EJ20T
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.