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  • Performance Koyo Radiator, Nissan 350Z, (VQ35HR) 06-09, 36mm, (KV022140R)
Performance Koyo Radiator, Nissan 350Z, (VQ35HR) 06-09, 36mm, (KV022140R)
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Performance Koyo Radiator, Nissan 350Z, (VQ35HR) 06-09, 36mm, (KV022140R)

KV022140R
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$577.62
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$577.62
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Performance Koyo Radiator, Nissan 350Z, (VQ35HR) 06-09, 36mm, (KV022140R)
Description

Performance Koyo Radiator for Nissan 350Z HR, 36mm V-Series (KV022140R)

The Performance Koyo Radiator for Nissan 350Z HR (KV022140R) is purpose-built for the high-revving VQ35HR engine found in later-model Z33s. Featuring a compact 36mm V-Series core, this Koyo 350Z HR radiator is ideal for performance applications where thicker radiators won’t clear due to engine bay constraints. Whether you're hooning around the track or enjoying a weekend cruise down the Southern Scenic Route, this radiator keeps your temps stable.

This Koyo 350Z HR radiator is made in Koyorad’s ISO 9001-certified factories in Japan and is engineered for both durability and precision. The all-aluminium design is Nocolok brazed, TIG-welded by hand, and includes a billet filler neck for a reliable seal. It’s a true plug-and-play upgrade—direct bolt-in fitment with OE-style mounts for fans, hoses, and shrouds, requiring no engine bay modifications.

Perfect for daily drivers and track warriors alike, this Koyo 350Z HR radiator delivers superior heat dissipation, robust build quality, and seamless fitment. Designed with Kiwis in mind, it's built tough to handle New Zealand’s diverse driving conditions—from Auckland’s city traffic to twisty backroads in the South Island.

Features and Benefits

36mm V-Series Core – Slimline design maximises airflow in tight engine bays while delivering strong cooling performance.

All-Aluminium Construction – Resists corrosion and handles heat better than factory plastic/aluminium designs.

Nocolok Brazed & TIG-Welded – Strong bonds and high vibration resistance for both road and circuit use.

Billet Filler Neck – Machined for a perfect seal, preventing leaks and pressure loss.

OE-Specific Mounting – Bolt-on install using factory mounting points—no cutting or modifications required.

Hand-Crafted Heliarc Welds – Delivers long-term strength and durability under high-load conditions.

Designed for VQ35HR Engines – Specifically engineered to support high-rpm cooling needs.

Technical Specifications

Feature Specification
Part Number KOYO-KV022140R (International), KOYO-V2999 (Koyorad USA)
OEM Cross-Reference 21410EV00A
Core Thickness 36mm V-Series
Construction All-Aluminium, Nocolok Brazed, Hand TIG-Welded
Filler Neck Billet Aluminium
Mounting OE-Specific Fan, Hose, and Shroud Locations
Fitment 2006–Feb 2009 Nissan 350Z Z33 (VQ35HR Engine Only)
Transmission Note Automatic models require external transmission cooler
Warranty Manufacturer’s Warranty

 

REVIEWS

R.T.
Was struggling with heat soak during summer in my HR 350Z. Swapped in this Koyo 350Z HR radiator and temps dropped immediately—even during back-to-back pulls up Takaka Hill. Straightforward install too!

Ryan T.
Nelson, TAS
★★★★★

K.L.
Top-tier quality as expected from Koyo. Running this radiator in my '08 350Z for track days at Taupo. Keeps the VQ35HR cool under pressure and no clearance issues with my setup.

Kara L.
Palmerston North, MWT
★★★★★

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