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  • Performance Koyo Radiator, Nissan Skyline R34 GTR, 00-02, 48mm, (KH023194)
Performance Koyo Radiator, Nissan Skyline R34 GTR, 00-02, 48mm, (KH023194)
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Performance Koyo Radiator, Nissan Skyline R34 GTR, 00-02, 48mm, (KH023194)

KOYO-KH023194
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$535.38
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$535.38
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Performance Koyo Radiator, Nissan Skyline R34 GTR, 00-02, 48mm, (KH023194)
Description

Performance Koyo Radiator for Nissan Skyline R34 GT-R RB26DETT, 48mm HH Series (KH023194)

If you’re pushing your Nissan Skyline R34 GT-R on Auckland’s twisty backroads or taking it for a rip at Ruapuna, the Koyo Skyline R34 GT-R radiator delivers the cooling performance you need. Featuring a 48mm HH Series core with ultra-high fin density, this radiator maximises heat transfer to keep your RB26DETT engine running sweet and cool under pressure.

Built with precision in Koyorad’s privately owned Japanese factories, this Koyo Skyline R34 GT-R radiator is a direct-fit replacement for the OEM plastic/aluminium unit. With hand-assembled all-aluminium construction, Nocolok brazing, and TIG welding, this radiator is designed for durability and performance without any headaches on install.

Koyo also includes a 1/8” NPT female accessory fitting (plug supplied), perfect for hooking up aftermarket temperature sensors or gauges. Whether you’re tuning hard or just want peace of mind on a hot summer day cruising around NZ, this radiator won’t let you down.

Features and Benefits

48mm HH Series Core – Ultra-high fin density for exceptional heat transfer and cooling efficiency.

All-Aluminium Build – Lightweight and corrosion-resistant for long-lasting performance.

Nocolok Brazed & TIG Welded – Strong bonds that resist vibration, road debris, and NZ’s harsh conditions.

Billet Filler Neck – Precision machined for superior strength and a reliable seal.

OE-Specific Mounting – Application-specific mounts make installation straightforward with no modifications.

Hand-Crafted Heliarc Welds – Provides the strongest aluminium-to-aluminium bonds for ultimate durability.

Technical Specifications

Feature Specification
Part Number KOYO-KH023194 (International), KOYO-HH023194 (Koyorad USA)
Core Thickness 48mm HH Series
Construction All-Aluminium, Nocolok Brazed, Hand TIG-Welded
Filler Neck Billet Aluminium
Sensor Port 1/8” NPT Female (Threaded Plug Included)
Mounting OE-Specific for Fan Shrouds, Hoses, and Pins
Fitment 2000-2002 Nissan Skyline R34 GT-R RB26DETT (Sep 2000–2002 only)
Transmission Note Automatic models require external transmission cooler
Warranty Manufacturer’s Warranty


REVIEWS

J.W.
This Koyo radiator was a perfect fit for my R34 GT-R, no dramas installing it. The temperature stays rock solid even when the NZ summer heat hits hard. Good as gold!

Jack W.
Christchurch, CAN
★★★★★

M.R.
Running this on my RB26DETT with no worries. Quality feels top-notch, and it’s clearly built to last. Keeps temps in check even on spirited drives through the Coromandel.

Mason R.
Hamilton, WAI
★★★★★

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