Koyorad: Alloy Radiator: TOYOTA Vios Man 03-
Upgrade your Toyota Vios (2003+, 1NZ‑FE, manual transmission) with the Koyorad Hyper V-Series 48 mm Alloy Radiator (KH011837). Crafted from aircraft-grade aluminum and built with a thick core and high-efficiency fin design, this direct-fit radiator dramatically improves coolant flow and temperature control—especially under aggressive driving. Precision TIG-welded end tanks and heli-arc soldering for superior strength ensure top-tier reliability. Designed for easy plug-and-play installation using OEM mounts, hoses, and fan shroud—with no modifications necessary. This radiator offers enhanced thermal protection and longevity for daily drives and performance use.
USA Part Nos.: N/A
OEM Part Nos: 164000M030
Car Models: Vios XP40 1.3/1.5 03/03-
Engine code(s): 1NZ-FE
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.
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