Koyorad Performance Radiator: Mazda MX-5 Miata NA 1.6/1.8L MT 1989-1997
Koyorad Performance Radiator: Mazda MX-5 Miata NA 1.6/1.8L MT 1989-1997 is backordered and will ship as soon as it is back in stock.
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Koyorad Performance Radiator: Mazda MX-5 Miata NA 1.6/1.8L MT 1989-...
Koyo Performance Radiator – Mazda MX-5 / Miata / Roadster & Eunos Roadster (NA) 1989–1997
Application: Mazda MX-5 / Miata / Roadster & Eunos Roadster | NA (1989–1997) | 1.6L & 1.8L Aspirated Petrol RWD | Manual Transmission Only
Part Number: VH060245 / KV060245
The NA MX-5 is a driver's car in every sense — lightweight, balanced, and endlessly rewarding. But when you start pushing it harder on track or in the hills, the factory cooling system can become the weak link. Koyorad's Hyper V-Core 36mm Series radiator was built for exactly this scenario: tight engine bays, high heat cycles, and factory inlet/outlet positions that rule out a conventional N-FLO design.
The Hyper V-Core's precision-engineered fin and tube pitch dramatically increases surface area without choking airflow through the core — keeping coolant temperatures in check whether you're on a hot lap or stuck in summer traffic. It's a direct bolt-in replacement that retains all OEM fan shroud mounts and stock hose connections, so the install is clean and straightforward.
Every Koyorad All Aluminium Racing Radiator is Nocolok furnace brazed, precision TIG welded by hand, and triple pressure tested before leaving the factory. Built for drivers who demand more from their NA.
Why Koyorad?
- Precise Tube & Fin Alignment — Strict quality control ensures optimal coolant flow and maximum heat transfer efficiency across the entire core.
- Nocolok Furnace Brazing — All tubes, fins, headers, and brackets are bonded in a state-of-the-art Nocolok furnace, creating a structure that resists vibration, road debris, and the elements.
- Billet Filler Neck — Precision-machined billet filler necks are fitted to every unit for superior strength, durability, and a reliable seal.
- OE-Specific Mounting — Application-specific mounting points for fan shrouds, inlet/outlet hoses, and top/bottom pins ensure a pain-free, no-modification install.
- Hand-Crafted Heliarc Welds — Each radiator is individually Heliarc welded by hand, creating the strongest possible aluminium-to-aluminium bond across all components.
Specifications
| Part Number | VH060245 / KV060245 |
| Core Type | Hyper V-Core |
| Core Thickness | 36mm |
| Core Dimensions (H × W) | 320 × 643/645mm |
| Tube Pitch | 43/43 × 669mm |
| Inlet / Outlet Diameter | Ø32mm (top & bottom) |
| Rows | 2-Row, High Density 36mm |
| Construction | All Aluminium, Nocolok Brazed, Heliarc Welded |
| Transmission | Manual (MT) Only |
| Fan Shroud | Retains OEM mounts |
| Hoses | Compatible with stock radiator hoses |
| Fitment | Direct bolt-in, no modifications required |
Cross Reference
| Koyorad | VH060245 / KV060245 |
| Mazda OEM | B61P 15 200 / B61P 15 200A / B61P 15 200B / BPE8 15 200 |
Fitment
| Year | Make | Model | Chassis | Submodel |
|---|---|---|---|---|
| 1989–1993 | Eunos | Roadster | NA6CE (2D Roadster) | Base – B6ZE 1.6L Aspirated Petrol RWD (89kW) |
| 1993–1997 | Eunos | Roadster | NA8C (2D Roadster) | Base – BPVE 1.8L Aspirated Petrol RWD (96kW) |
| 1989–1993 | Mazda | MX-5 | NA (2D Roadster) | Base – B6ZE 1.6L Aspirated Petrol RWD (85kW) |
| 1993–1997 | Mazda | MX-5 | NA (2D Roadster) | Base – BPZE 1.8L Aspirated Petrol RWD |
Sold individually. Manual transmission fitment only. Lead times may apply — contact us at ModsDirect for availability and shipping estimates.
ModsDirect is an Authorised Australian Distributor of Koyorad Performance Radiators.
Shop with confidence — all Koyorad products sold through ModsDirect are genuine, backed by manufacturer support, and shipped from Australia.
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