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  • Performance Koyo Radiator, Mazda MX-5, NB, 99/05, 36mm, (KV060650)
Performance Koyo Radiator, Mazda MX-5, NB, 99/05, 36mm, (KV060650)
Performance Koyo Radiator, Mazda MX-5, NB, 99/05, 36mm, (KV060650)
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Performance Koyo Radiator, Mazda MX-5, NB, 99/05, 36mm, (KV060650)

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$506.90
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$506.90
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Performance Koyo Radiator, Mazda MX-5, NB, 99/05, 36mm, (KV060650)
Description

Upgrade your vehicle’s cooling system with the Koyorad Hyper V Series Radiator – VH060650, engineered for tight engine bays and high-performance reliability.

Specifically designed for the 1999–2005 Mazda MX-5 NA 1.6L, this radiator from Koyorad’s elite Hyper V Series line features a 36mm high-efficiency aluminum core with an advanced Hyper Fin and Tube Pitch. This core maximizes surface area and airflow, offering exceptional thermal performance—ideal for spirited street driving or track conditions.

The radiator’s all-aluminum construction, hand-crafted Heliarc welds, and Nocolok brazing ensure exceptional strength, corrosion resistance, and long-term durability. It’s a factory-fit, direct bolt-in unit that mounts to OEM fan shrouds, hoses, and brackets without any modifications. For automatic transmissions, an external transmission cooler is required. Pair it with a Koyorad Hyper Cap (sold separately) to further increase system efficiency and pressure tolerance.

Key Features:

  • 36mm Hyper V-core designed for tight engine bays and high heat loads

  • All-aluminum construction reduces weight while enhancing durability and corrosion resistance

  • Nocolok brazed components resist vibration and extend product lifespan

  • Billet filler neck ensures precise sealing and pressure retention

  • Heliarc hand welds provide superior aluminum-to-aluminum structural bonding

  • OEM-specific mounting allows seamless bolt-in installation using stock fan shrouds and mounts

  • Drain plug included for convenient maintenance

  • External transmission cooler required for automatic vehicles

Technical Specifications:

Specification Details
Part Number VH060650 / KV060650 (International)
OEM Cross-Reference BP4W15200A, BP5A15200
Core Thickness 36mm
Core Type Hyper V-core with high-efficiency fin and tube pitch
Material All-aluminum (tubes, fins, brackets, headers)
Mounting Type OEM Direct Fit
Compatibility 1999–2005 Mazda MX-5 NA 1.6L
Welding Method Hand-crafted Heliarc welds
Regulator Type N/A (radiator)
Drain Plug Included
Transmission Notes External trans cooler required for automatic models
Cap Compatibility Koyorad Hyper Cap (sold separately)

Vehicle Compatibility

This radiator is a direct replacement for the following vehicle. Confirm engine and transmission specs before purchasing.

Make Model Engine Code Body / Drive Year Range
Mazda MX-5 NA 1.6L DOHC Roadster / RWD 1999–2005

REVIEWS

B.D.
Swapped this into my 2001 MX-5 and noticed an immediate drop in coolant temps during spirited runs. Super clean welds and easy install. Worth every penny.
Brandon D.
Oceanside, CA
★★★★★

L.J.
Fitment was perfect on my NB 1.6. Love the quality finish and the fact that it mounts right up to the stock shroud. Solid cooling upgrade for track days.
Laura J.
Eugene, OR
★★★★★

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