Koyorad: Alloy Radiator: MAZDA Mazda 3 04-09 2.3/2.5 (incl MPS)
Upgrade your Mazda 3 or Mazdaspeed 3 with the Koyorad Hyper V-Series Alloy Radiator (36 mm core, Part No. KV061816R). Engineered for high-performance driving, this radiator features a high-density 36 mm V-Core, boosting coolant volume and heat dissipation by up to 20–30% over the stock radiator. Precision-built with all‑aluminum construction, Nocolok-brazed cores, and TIG-welded end tanks, it ensures reliability and longevity under demanding conditions. This is a direct bolt-in, OEM-fit upgrade that retains stock fan shrouds, hoses, and mounts—no modifications needed. Ideal for both spirited street driving and track use, this radiator offers performance you can depend on.
USA Part Nos.: N/A
OEM Part Nos: Z60215200C, L33X15200, Z60215200B, Z60315200
Car Models: Focus II / Axela / Mazdaspeed3 / 3 BK / C30 / S40 II / V50 1.6/1.8/2.0/2.3/2.5 10/03-
Engine code(s): L3-VE, LF-DE, ZY-VE, Z601, LF50, ZJ07 / ZJ30, Z602, LF72, Z602
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.