Heating and Cooling Radiators

Koyorad

Performance Radiator Aluminium

$369.99

SKU: KV061816R

In Stock
In Stock
Ships by Sep 12
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

The Koyorad KV061816R is an aluminium performance radiator designed for the Mazda 3 BK, including MPS models from 2003-2009. It features TIG-welded construction and is 100% made in Japan.

This direct-fit radiator replaces OEM part numbers like Z60215200C and L33X15200 without requiring modifications. It is ideal for both daily driving and track use, improving engine cooling efficiency.
Show original supplier description
The Koyorad KV061816R is a high-performance aluminum radiator engineered for Mazda 3 BK models, including the MPS variant, manufactured between 2003 and 2009. Constructed from aviation-grade aluminum and TIG-welded by hand in Japan, this radiator boasts a polished finish and is built for durability and enhanced cooling. It features Koyorad's innovative N-Flo technology, which utilizes "N" shaped internal partitions to allow coolant to flow through the radiator for a longer duration. The radiator measures 670x388x36 mm and is compatible with engine codes MZR L & Z Series. This Koyorad radiator is an ideal upgrade for enthusiasts seeking improved engine cooling for both daily driving and demanding track conditions. It directly replaces OEM part numbers including Z60215200C, L33X15200, Z60215200B, and Z60315200.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandKoyorad
Part NumberKV061816R
CategoryHeating and Cooling

We’re here — turning wrenches, just like you.

Call us, follow along, or come say hi.

Buy with Confidence

Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

View Full Return Policy

Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

View Full Shipping Policy