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Performance Radiator for Infiniti G37 (2008-2013) 3.7L



Regular price $249.95
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High-Capacity Performance Radiator for 2008-2013 Infiniti G37

What it Does: This 1-row aluminum radiator and condenser combo replaces the restrictive, failure-prone factory unit to significantly lower coolant temperatures and prevent overheating in the VQ37VHR engine.

The Stock V36 Cooling Weakness

The factory radiator on the V36 chassis G37 relies heavily on a plastic tank and thin aluminum core design that degrades over time. Continuous thermal cycling from the high-revving 3.7L VQ37VHR engine causes the OEM plastic end tanks to become brittle, eventually leading to hairline cracks at the crimped seams and catastrophic coolant leaks. Furthermore, the stock core lacks the volumetric capacity necessary for sustained high-rpm driving, track use, or spirited canyon runs. As the engine heat soaks, the factory system struggles to maintain optimal operating temperatures, forcing the ECU to pull ignition timing and drastically reducing overall horsepower output to protect the internal components.

The Engineering Solution

This performance radiator eliminates factory weak points by utilizing a high-efficiency 1-row aluminum core measuring 25 1/8 inches in height and 18 inches in width. By migrating to a robust aluminum construction, the risk of plastic tank rupture is entirely mitigated, providing a structural upgrade capable of withstanding higher system pressures. The integrated condenser combo streamlines installation while optimizing frontal airflow dynamics across the louvered fins. Engineered with an optimized 1.31-inch inlet and 1.38-inch outlet, this unit maximizes coolant flow velocity to rapidly dissipate thermal loads. The result is stabilized water temperatures, consistent VQ engine performance, and the prevention of thermal-induced limp modes during demanding driving conditions.

Technical Specifications

Fitment 2008-2013 Infiniti G37
Engine / Chassis VQ37VHR / V36
Stock Output 328 hp / 269 lb-ft (Approx)
Part Number 21460-JK90B, 21460JK90B, NI3010227, CU13004, 21460-JK20A, 21460JK20A, 21460-JK90A, 21460JK90A, 21460-JK20B, 21460JK20B

Compatibility

  • 2008-2011 Infiniti G37 Base
  • 2011-2013 Infiniti G37 IPL (Automatic Transmission)
  • 2008-2013 Infiniti G37 Journey
  • 2009-2013 Infiniti G37 X
  • 2011-2013 Infiniti G37 X Sport

The Infiniti JDM Caliber

Designed specifically to meet the high thermal demands of the VQ platform, this radiator ensures your V36 maintains peak efficiency. Whether navigating dense traffic or pushing the limits on a circuit, you get consistent power delivery, bulletproof reliability, and zero heat-related compromises.


Engine Safety Rating
Difficulty 


Fitment

Make

Infiniti

Engine Size

  • 3.7L

Year

  • 2008
  • 2009
  • 2010
  • 2011
  • 2012
  • 2013

Warranty

All products are backed by our Limited Lifetime Warranty. We stand by our quality. [See terms]

Performance Radiator for Infiniti G37 (2008-2013) 3.7L

$249.95