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Koyo Radiator — Fits 2003-2007 Subaru Impreza WRX/STI (MT)
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Koyo Radiator — Fits 2003-2007 Subaru Impreza WRX/STI (MT)
Koyo

Koyo Radiator — Fits 2003-2007 Subaru Impreza WRX/STI (MT)

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SKU: KOYVH091672

About Koyo Koyo engineers high-quality automotive parts and accessories trusted ...Read more

Price:
$495.14 $538.20
4950 ENTRIES10X
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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

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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.

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Koyo Performance Radiator for Subaru Impreza WRX & STI (2003-2007)

Keep your Subaru Impreza WRX or STI running at optimal temperatures with this high-performance Koyo radiator. Engineered as a direct replacement for the 2003-2007 models equipped with manual transmissions, this radiator offers enhanced cooling capabilities to handle the demands of spirited driving and track use.

Superior Cooling for Your Subaru:

  • Direct Fit Installation: Designed for a hassle-free installation, replacing your factory radiator seamlessly.
  • Enhanced Heat Dissipation: Koyo's advanced core technology ensures efficient heat transfer, preventing overheating during high-performance situations.
  • Durable Construction: Built with premium materials for longevity and reliability under demanding conditions.
  • Manual Transmission Specific: Precision-engineered for manual transmission Subaru Impreza WRX and STI models.
  • Wide Model Fitment: Compatible with 2003-2007 Subaru Impreza WRX, 2006-2007 WRX Limited, 2004-2007 WRX STI, 2007 WRX STI Limited, and 2006-2007 WRX TR models.

Don't let a stock radiator compromise your Subaru's performance. This Koyo radiator provides the cooling efficiency needed to maintain consistent power output and protect your engine from heat-related damage. Whether you're navigating daily traffic or pushing your limits on the track, trust Koyo to deliver reliable performance. The integrated filler neck simplifies maintenance, ensuring your cooling system stays topped up and ready for action.

Upgrade your cooling system with GGCRACING and experience the difference Koyo quality makes.

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 Radiator for Subaru Impreza WRX & STI (2003-2007)

Keep your Subaru Impreza WRX or STI running at optimal temperatures with this high-performance Koyo radiator. Engineered as a direct replacement for the 2003-2007 models equipped with manual transmissions, this radiator offers enhanced cooling capabilities to handle the demands of spirited driving and track use.

Superior Cooling for Your Subaru:

  • Direct Fit Installation: Designed for a hassle-free installation, replacing your factory radiator seamlessly.
  • Enhanced Heat Dissipation: Koyo's advanced core technology ensures efficient heat transfer, preventing overheating during high-performance situations.
  • Durable Construction: Built with premium materials for longevity and reliability under demanding conditions.
  • Manual Transmission Specific: Precision-engineered for manual transmission Subaru Impreza WRX and STI models.
  • Wide Model Fitment: Compatible with 2003-2007 Subaru Impreza WRX, 2006-2007 WRX Limited, 2004-2007 WRX STI, 2007 WRX STI Limited, and 2006-2007 WRX TR models.

Don't let a stock radiator compromise your Subaru's performance. This Koyo radiator provides the cooling efficiency needed to maintain consistent power output and protect your engine from heat-related damage. Whether you're navigating daily traffic or pushing your limits on the track, trust Koyo to deliver reliable performance. The integrated filler neck simplifies maintenance, ensuring your cooling system stays topped up and ready for action.

Upgrade your cooling system with GGCRACING and experience the difference Koyo quality makes.

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