Koyorad Radiator – Hummer H3 / Automatic Only – 2007-2009


BRAND NEW KOYORAD RADIATOR – SUIT HUMMER H3 2007 to 2009 – Automatic Only – High Quality Koyorad Product with 12 Months Warranty

SKU: JR1067J Category: Tags: , ,


Top Grade Materials

Koyo Quality begins with our selection of premium OE grade materials such as:  aluminum, copper, brass, and plastics.  Koyo products are not only developed and tested to be resilient to harsh outside elements, but also years of under-hood heat cycling as well.



Detailed Molds

The Koyo engineering team develops highly detailed plastic tank molds which include critical features such as structural reinforcements, supports for coolant return lines, fan mounts, and coolant reservoirs.  These details result in why Koyo products are the industry’s best fitting and performing aftermarket radiators.


Precise Tube and fin Alignment

Koyo manufactures under strict quality control and careful packaging.  This results in tubes and fins with optimal coolant flow and efficient heat transfer.


Quality Packaging

Koyo packages each radiator securely by strapping each one to rigid cardboard, then supporting delicate areas such as the inlet and outlet, heater tubes, filler necks, etc.  These measures ensure safe delivery of Koyo products.


Reinforced Header Plates (select models)

Koyo keeps current with state-of-the-art machinery and building procedures assuring our users the best in quality.    Koyo is one of the few aftermarket manufacturers with the capability of reinforcing our header plates for strength and durability like the OEs   Reinforced header plates provide increased surface area for support where higher than normal internal pressure exists.


Application Specific Transmission Coolers and Connectors

Whether your vehicle requires a concentric/plate transmission cooler and threaded UNF, UNEF, NPTF or Quick Disconnect socket type, Koyo has got you covered.  Each radiator is made to OE specifications  for a quick and pain-free installation.


Precise Header plates

Koyo die cuts each header plate with state-of-the-art machinery.   Before final assembly, each one is hand inspected for accuracy and cleanliness to assure a tight seal with the O-rings and plastic tanks.

Core Height (mm) 470
Core Width (mm) 581
Core Thickness (mm) 27
Inlet Type
Outlet Type
Inlet Diameter (mm) 33
Outlet Diameter (mm) 40
Breather Daimeter (mm)
Trans Cooler 305



Koyorad is a Japanese company established July of 1956 as Ejiri Radiator in Nagoya, Japan (Aichi Prefecture) as a radiator repair shop.  Twelve years later in 1968, Ejiri Radiator established a radiator and oil cooler factory in Nagoya.  We then separated our production facilities from our repair facilities and began manufacturing radiators.  Two years later in 1970, Ejiri Radiator was renamed to Koyo Radiator Manufacturing and began expanding to branches all over Japan.  Koyorad quickly developed into an industry-leading Aftermarket Radiator Supplier worldwide. In Japan we have more than 20 engineers backed with over 54 years of experience.  This ensures that our customers receive products of the best quality, performance, and fit.  We at Koyorad strive continuously to find ways to improve and implement new technologies in our Radiators and Condensers.

Additional information

Weight 5 kg
Dimensions 58 × 5 × 50 cm


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