About KOYO
- 1956
Founded
The Ejiri Radiator Repair Company was founded in Nagoya, Aichi, Japan, in July 1956.
- 1970
Manufacturing Launch
In 1970, the company began manufacturing radiators after separating its production and repair facilities, leading to advancements in radiators and oil coolers.
- 1994
Indonesia Division Established
PT. KOYO JAYA Indonesia (KJI) established
- 2000
U.S. Division Established
In April 2000, KOYORAD Cooling Systems, Inc. was founded in California to serve as a hub for national expansion.
- 2004
KOYO International operations Pte Ltd
KOYORAD opened up its second foreign sales office in Singapore.
- 2005
KOYO HEAT EXCHANGE (Suzhou) Co., Ltd (KHE)
The second Foreign factory also established in Suzhou China.
- 2006
KOYO RADIATOR Company. LTD
Maked a milestone in the history of KOYORAD as celebration of 50 YEARS presence in the industry in Japan. The company name is renewed as KOYO RADIATOR Company. LTD. KOYO COOLING SYSTEM epanded it's operations by leaps and bounds by moving into a larger facility located in Irvine, California.
- 2013
Perris warehouse
KCS warehouse opened in Perris, California.
- 2014
KOYORAD Myanmar Corporation Co., LTD (KMC)
The third foreign factory established in Myanmar.
- 2016
KOYORAD COOLING SYSTEMS, INC.
The company name is renewed as KOYORAD COOLING SYSTEMS, INC.
Present
Engineering, Research & Development

Our team includes over 20 engineers with more than 65 years of combined experience, guaranteeing that our customers receive products with the highest quality, performance, and fit. At Koyorad, we are committed to continual improvement and innovation in our radiators and condensers

Koyorad exclusively uses precision-crafted equipment and selects only the finest aluminum for our products. This blend of expert engineering, premium materials, and meticulous manufacturing processes has solidified Koyorad’s reputation for outstanding performance and reliability
Testing

Before launching any new model, Koyorad conducts thorough testing to ensure optimal fit, finish, and performance. From installation to road testing, purchasing a Koyorad Radiator means you’re getting a product of superior quality, designed to endure.
Craftsmanship

With decades of expertise in handcrafting, our precision and consistency are unmatched, earning recognition from customers globally for our superior quality.