Koyo 03-06 Nissan 350Z 3.5L V6 Radiator

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SKU: KOYHH021568
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Sale price$478.99 Regular price$542.20
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About Koyo

Koyo engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Koyo lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Koyo Performance All-Aluminum Radiator for Nissan 350Z

Elevate your Nissan 350Z's cooling system with the Koyo HH021568 Racing All Aluminum Radiator. Designed for enthusiasts who demand superior performance and reliability, this radiator offers significantly improved heat dissipation compared to the stock unit, ensuring your 3.5L V6 engine remains cool under pressure, whether on the street or the track.

Key Features and Benefits:

  • Vehicle Compatibility: Precision-engineered for 2003-2006 Nissan 350Z models, including Base, Enthusiast, Touring, Grand Touring, Performance, Track, and 35th Anniversary Edition trims.
  • All-Aluminum Construction: Features a high-quality, TIG-welded, aircraft-grade aluminum core and tanks for maximum durability, corrosion resistance, and lightweight performance.
  • Enhanced Cooling Efficiency: The advanced multi-row core design and increased fin density provide superior heat transfer, effectively managing engine temperatures during spirited driving or in demanding conditions.
  • Direct Bolt-On Installation: Designed to integrate seamlessly with your existing cooling system components, using factory mounting locations for a hassle-free installation.
  • Increased Durability: Built to withstand higher operating temperatures and pressures, offering a more reliable cooling solution than OEM plastic-tanks radiators.

Why Choose Koyo for Your 350Z?

The Nissan 350Z's VQ35DE engine is known for its power, but also its potential to generate substantial heat. Overheating can lead to reduced performance and costly engine damage. This Koyo radiator is an essential upgrade for any 350Z owner looking to enhance reliability, prevent heat soak, and maintain optimal engine function. It's the perfect addition for modified vehicles, track days, or simply for those seeking peace of mind.

Upgrade your cooling system with a proven performer. Get the Koyo HH021568 radiator for your Nissan 350Z today at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2003-2005 Nissan 350Z Performance
2003-2006 Nissan 350Z Base
2003-2006 Nissan 350Z Enthusiast
2003-2006 Nissan 350Z Touring
2003-2006 Nissan 350Z Track
2005 Nissan 350Z 35th Anniversary Edition
2005-2006 Nissan 350Z Grand Touring

Product Details

Product Description
Part Numbers
Sizing & Fit

About Koyo

Koyo engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Koyo lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Koyo Performance All-Aluminum Radiator for Nissan 350Z

Elevate your Nissan 350Z's cooling system with the Koyo HH021568 Racing All Aluminum Radiator. Designed for enthusiasts who demand superior performance and reliability, this radiator offers significantly improved heat dissipation compared to the stock unit, ensuring your 3.5L V6 engine remains cool under pressure, whether on the street or the track.

Key Features and Benefits:

  • Vehicle Compatibility: Precision-engineered for 2003-2006 Nissan 350Z models, including Base, Enthusiast, Touring, Grand Touring, Performance, Track, and 35th Anniversary Edition trims.
  • All-Aluminum Construction: Features a high-quality, TIG-welded, aircraft-grade aluminum core and tanks for maximum durability, corrosion resistance, and lightweight performance.
  • Enhanced Cooling Efficiency: The advanced multi-row core design and increased fin density provide superior heat transfer, effectively managing engine temperatures during spirited driving or in demanding conditions.
  • Direct Bolt-On Installation: Designed to integrate seamlessly with your existing cooling system components, using factory mounting locations for a hassle-free installation.
  • Increased Durability: Built to withstand higher operating temperatures and pressures, offering a more reliable cooling solution than OEM plastic-tanks radiators.

Why Choose Koyo for Your 350Z?

The Nissan 350Z's VQ35DE engine is known for its power, but also its potential to generate substantial heat. Overheating can lead to reduced performance and costly engine damage. This Koyo radiator is an essential upgrade for any 350Z owner looking to enhance reliability, prevent heat soak, and maintain optimal engine function. It's the perfect addition for modified vehicles, track days, or simply for those seeking peace of mind.

Upgrade your cooling system with a proven performer. Get the Koyo HH021568 radiator for your Nissan 350Z today at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2003-2005 Nissan 350Z Performance
2003-2006 Nissan 350Z Base
2003-2006 Nissan 350Z Enthusiast
2003-2006 Nissan 350Z Touring
2003-2006 Nissan 350Z Track
2005 Nissan 350Z 35th Anniversary Edition
2005-2006 Nissan 350Z Grand Touring

Product Details

Product Description

About Koyo

Koyo engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Koyo lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Koyo Performance All-Aluminum Radiator for Nissan 350Z

Elevate your Nissan 350Z's cooling system with the Koyo HH021568 Racing All Aluminum Radiator. Designed for enthusiasts who demand superior performance and reliability, this radiator offers significantly improved heat dissipation compared to the stock unit, ensuring your 3.5L V6 engine remains cool under pressure, whether on the street or the track.

Key Features and Benefits:

  • Vehicle Compatibility: Precision-engineered for 2003-2006 Nissan 350Z models, including Base, Enthusiast, Touring, Grand Touring, Performance, Track, and 35th Anniversary Edition trims.
  • All-Aluminum Construction: Features a high-quality, TIG-welded, aircraft-grade aluminum core and tanks for maximum durability, corrosion resistance, and lightweight performance.
  • Enhanced Cooling Efficiency: The advanced multi-row core design and increased fin density provide superior heat transfer, effectively managing engine temperatures during spirited driving or in demanding conditions.
  • Direct Bolt-On Installation: Designed to integrate seamlessly with your existing cooling system components, using factory mounting locations for a hassle-free installation.
  • Increased Durability: Built to withstand higher operating temperatures and pressures, offering a more reliable cooling solution than OEM plastic-tanks radiators.

Why Choose Koyo for Your 350Z?

The Nissan 350Z's VQ35DE engine is known for its power, but also its potential to generate substantial heat. Overheating can lead to reduced performance and costly engine damage. This Koyo radiator is an essential upgrade for any 350Z owner looking to enhance reliability, prevent heat soak, and maintain optimal engine function. It's the perfect addition for modified vehicles, track days, or simply for those seeking peace of mind.

Upgrade your cooling system with a proven performer. Get the Koyo HH021568 radiator for your Nissan 350Z today at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2003-2005 Nissan 350Z Performance
2003-2006 Nissan 350Z Base
2003-2006 Nissan 350Z Enthusiast
2003-2006 Nissan 350Z Touring
2003-2006 Nissan 350Z Track
2005 Nissan 350Z 35th Anniversary Edition
2005-2006 Nissan 350Z Grand Touring

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