KOYORAD KOYVH091662 Koyo Filler 847839011643 2.5L

( Brand: Koyorad ), ( Manufacturer Part Number: KOYVH091662 ), ( Part Type: Filler ), ( UPC: 847839011643 ), ( Not Carb Approved: False )

Review KOYORAD Koyo For Subaru 2.5l Mt Filler fits LEGACY WRX STI GT 2005–2009

Introducing the Koyorad Koyo Aluminum Radiator (Part Number: KOYVH091662) specifically designed for Subaru WRX STI and GT models from the years 2008 to 2015 with a 2.5L engine. This high-performance radiator is an excellent upgrade for enthusiasts seeking superior cooling capabilities and increased durability.

Constructed from lightweight yet robust aluminum material, the radiator boasts a more efficient cooling system compared to its OEM counterpart. Its optimized core design enhances cooling efficiency by increasing the contact area between the coolant and the aluminum fins. This results in faster heat dissipation, ensuring your engine stays cool even during demanding driving conditions.

The Koyorad radiator features a thicker aluminum tank compared to the stock radiator. The tapered tank design provides a larger capacity for coolant, allowing for a more consistent cooling temperature throughout the engine's operating range. The large capacity also reduces the likelihood of coolant starvation during high-speed driving or aggressive acceleration.

Additionally, this Koyorad radiator comes with a pre-installed electric fan shroud for Subaru WRX STI models. This shroud houses the electric fan, which can be controlled by temperature sensors or manually. The electric fan provides an extra cooling boost when engine temperatures rise, ensuring optimal engine performance under various driving conditions.

This Koyorad radiator is engineered to be a direct replacement for the stock radiator, making installation easy and straightforward. Its dimensions and mounting points match those of the factory radiator, eliminating the need for modifications or custom fabrication. The radiator's inlet and outlet ports are also compatible with most aftermarket cooling system components, allowing for easy integration with upgraded cooling systems.

Upgrading to the Koyorad KOYVH091662 aluminum radiator offers numerous benefits for Subaru WRX STI and GT owners. Its enhanced cooling efficiency, larger coolant capacity, and added electric fan shroud make it an essential upgrade for those seeking improved engine performance and reliability.

Koyorad Koyvh091662 Cooling System Upgrade for Subaru WRX STI (05-09, 2.5L) - A Detailed Analysis

The Koyorad Koyvh091662 cooling system upgrade is a popular aftermarket product for Subaru WRX STI (05-09, 2.5L) owners. This cooling system is designed to enhance the overall cooling performance of the engine, which can lead to improved engine efficiency, increased power output, and better reliability. In this analysis, we will discuss the pros and cons of investing in the Koyorad Koyvh091662 cooling system upgrade for your Subaru WRX STI.

1. Enhanced Cooling Performance: The primary benefit of the Koyorad Koyvh091662 cooling system is its superior cooling ability. It is designed to handle the increased power output and thermal stress of the Subaru WRX STI engine, ensuring consistent engine temperatures and improved engine longevity.

2. Aesthetics: The Koyorad cooling system not only enhances the performance of your vehicle, but it also adds an appealing visual element to the engine bay. The bright red coolant hoses and high-performance radiator are sure to catch the attention of fellow enthusiasts.

3. Durability: The Koyorad cooling system is constructed from high-quality materials, ensuring longevity and durability. The radiator is made from aluminum, and the hoses are reinforced with high-strength materials, reducing the chances of leaks and failures.

4. Temperature Stability: The Koyorad cooling system maintains consistent engine temperatures, ensuring optimal engine performance and efficiency. This temperature stability can lead to improved fuel economy and reduced engine wear.

1. Cost: The Koyorad cooling system upgrade is a significant investment, with a higher price point than OEM cooling systems. This cost may be a deterrent for some Subaru WRX STI owners.

2. Installation Complexity: The installation process of the Koyorad cooling system can be complex, requiring a fair amount of time and expertise. It is recommended to have this installation performed by a professional mechanic or tuning shop to ensure proper installation and optimal performance.

3. Potential Compatibility Issues: The Koyorad cooling system may not be compatible with all aftermarket modifications, such as high-performance exhaust systems or forced induction upgrades. It is important to verify compatibility with any existing modifications before installing the Koyorad cooling system.

The Koyorad Koyvh091662 cooling system upgrade offers numerous benefits for Subaru WRX STI (05-09, 2.5L) owners, including enhanced cooling performance, improved engine efficiency, increased power output, and better reliability. However, it also comes with a higher cost, complex installation process, and potential compatibility issues. Ultimately, the decision to invest in the Koyorad cooling system upgrade depends on your individual priorities, budget, and goals for your Subaru WRX STI. If you are an enthusiast looking for superior cooling performance and improved engine longevity, the Koyorad cooling system may be a worthwhile investment. However, if you are on a tight budget or have compatibility concerns, it may be best to consider alternative cooling solutions or hold off on the upgrade until a later time.

Details:

Manual Transmission only. STI 8mm pipe, WRX 13mm Legacy NA Turbo MT only. Adapter provision thread M14x 1.25 For 2008 2019 SUBARU STI 08-19, WRX Legacy GT/Outback XT 05-09 ; 2.5.

part #: koyvh091662 prices

• $391.06-$442.95

specifications radiatoranch:

• for models: Wrx, Sti, Gt, Legacy
• for makes: Subaru
• for years: 2005-2009
• brand: Koyorad
• mpn: Koyvh091662
• part type: Filler
• upc: 847839011643
• not carb approved: False

shipping radiatoranch:

• transit: 2-6 Days
• cost: $0.00
• service: FedEx Ground or FedEx Home Delivery
• carrier: FedEx
• class: Standard
• type: Fixed

returns radiatoranch:

• time: 30 Days
• policy: Returns Accepted
• paid by: Seller

payments radiatoranch:

• credit card: Diners-club
• other
• wallet: Apple-pay

general radiatoranch:

• Car Truck Parts Accessories > Engine Cooling Components > Radiators
• condition: New

seller radiatoranch:

• city: Arlington, Texas
• rating: 99.6%
• # reviews: 8137

offer radiatoranch:

• availability: In Stock
• options: Ship-to-home
• started: July 16, 2025
• sold: 0

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