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  • Performance Koyo Radiator, Nissan Skyline, R34 GTR 98-00, 48mm, (KH020879)
Performance Koyo Radiator, Nissan Skyline, R34 GTR 98-00, 48mm, (KH020879)
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Performance Koyo Radiator, Nissan Skyline, R34 GTR 98-00, 48mm, (KH020879)

KOYO-KH020879
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$481.85
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$481.85
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Performance Koyo Radiator, Nissan Skyline, R34 GTR 98-00, 48mm, (KH020879)
Description

Performance Koyo Radiator for Nissan Skyline R34 GT-R RB26DETT, 48mm HH Series (KH020879)

Whether you're carving through the Kaimais or lining up for a hot lap at Pukekohe, the Koyo R34 GT-R radiator is built to keep your RB26DETT cool under pressure. Featuring a 48mm high-density HH Series core, this radiator delivers massive cooling performance to handle NZ's demanding conditions, from spirited mountain runs to track day punishment.

Engineered in Japan with legendary Koyorad quality, this Koyo R34 GT-R radiator is a straight bolt-in replacement for your factory unit—no mods needed. It's crafted from high-grade aluminium, Nocolok brazed, and TIG-welded by hand, ensuring long-term reliability and elite thermal performance. You’ll also find a 1/8” NPT female sensor port (with plug) ready to connect your aftermarket temp gauges.

Designed for 1998–Aug 2000 R34 GT-R models, this radiator retains all factory mounting points for shrouds, hoses, and pins—making it a proper OEM fit. Whether you're chasing lap times or just want peace of mind on a Sunday cruise, this radiator is a solid choice for any serious Skyline owner.

Features and Benefits

48mm HH Series Core – Dense fin design for maximum heat dissipation and consistent coolant temps.

All-Aluminium Build – Lightweight, corrosion-resistant, and stronger than OEM plastic/aluminium units.

Nocolok Brazing & TIG Welding – Delivers high structural integrity to withstand road vibration and heat cycles.

1/8” NPT Sensor Port – Integrated fitting (with plug) for aftermarket temp sensors or gauges.

Billet Filler Neck – Machined for strength and superior sealing under high pressure.

OE-Specific Mounting – Direct fit with no cutting or fabrication required. Uses factory mounts, hoses, and shrouds.

Hand-Crafted Heliarc Welds – Ensures the most robust aluminium-to-aluminium connections.

Technical Specifications

Feature Specification
Part Number KOYO-KH020879 (International), KOYO-HH020879 (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 Shrouds, Hoses, Pins
Fitment 1998–2000 Nissan Skyline R34 GT-R RB26DETT (up to Aug 2000 only)
Transmission Note Automatic vehicles require external transmission cooler
Warranty Manufacturer’s Warranty

 

REVIEWS

T.H.
Installed this Koyo R34 GT-R radiator in my 1999 GT-R and saw immediate temp improvements. Straightforward install, no faffing about—perfect for a weekend warrior.

Tyler H.
Tauranga, BOP
★★★★★

A.N.
This thing is built like a tank. Took my RB26 through a full track day at Manfeild with no overheating issues at all. Top bit of kit.

Alex N.
Palmerston North, MWT
★★★★★

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