Performance Koyo Radiator, Subaru Forester XT, 2.0L, 2.5L Turbo Man, 04-08, 36mm, (KV092217) New
Performance Koyo Radiator, Subaru Forester XT, 2.0L, 2.5L Turbo Man, 04-08, 36mm, (KV092217) New
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Performance Koyo Radiator, Subaru Forester XT, 2.0L, 2.5L Turbo Man, 04-08, 36mm, (KV092217) New

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$677.94
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$677.94

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Performance Koyo Radiator, Subaru Forester XT, 2.0L, 2.5L Turbo Man, 04-08, 36mm, (KV092217) New

Koyo Hyper V Forester SG5/SG9 Radiator – 36mm Hyper V-Series (VH13026)

The Koyo Hyper V Forester radiator is built to deliver exceptional cooling efficiency where engine bay space is tight and airflow is limited. Designed for Subaru Forester SG5 and SG9 chassis, this all-aluminum racing radiator utilizes Koyorad's advanced 36mm Hyper V-Core technology—ideal for turbocharged and naturally aspirated engines alike.

This model features specially engineered fin and tube pitch to increase surface area and cooling capacity without increasing thickness. As a direct-fit upgrade over the OE radiator, it requires no modifications and is compatible with OEM fan shrouds, hoses, and mounts. Whether you’re pushing your Subaru off-road, hauling loads, or carving through a mountain pass, the Koyo Hyper V Forester radiator will help keep temps stable and performance reliable.

Like all Koyorad radiators, this unit is crafted in Japan under strict quality control, hand TIG welded, and Nocolok brazed to resist vibration and thermal stress.


Features and Benefits

  • 36mm Hyper V-Series Core – High-efficiency core developed for performance and clearance-limited engine bays.

  • All-Aluminum Construction – Durable, corrosion-resistant, and lightweight.

  • Nocolok Brazing – Bonded in a state-of-the-art brazing furnace for added strength and longevity.

  • OE-Specific Fitment – Bolt-on installation with no modification needed; uses stock fan shrouds and mounting points.

  • High-Density Tube and Fin Design – Maximizes heat dissipation and airflow.

  • Billet Filler Neck – Machined for perfect sealing and long service life.

  • Hand TIG-Welded – Each radiator is individually welded for structural integrity and precision.


Technical Specifications

Feature Specification
Part Numbers KOYO-KV092217 (International), KOYO-VH13026 (Koyorad USA)
OEM Cross-Reference 45119SA020, 45111SA101, 45111SA141, X4511SA101, X4511SA141
Chassis Code TA-SG5 / SG9
Compatible Replacements REPCO RAD707 (FLOKOOL)
Core Thickness 36mm Hyper V-Series
Material Full Aluminium, Nocolok Brazed, Hand TIG-Welded
Transmission Notes Automatic vehicles require external transmission cooler


REVIEWS

Nathan H.
Noticed a big difference in temps on my SG9 after track days. Fitment was perfect, and the build quality is seriously impressive. One of the best upgrades for reliability.

Nathan H.
Auckland, NZL
★★★★★

Derek M.
Installed on my 04 XT, no issues at all. Easy bolt-on and a must-have if you’re running boost or towing.

Derek M.
Christchurch, CAN
★★★★★

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