Koyorad Performance Radiator: Mazda 6 MPS GG MT
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Description
Koyo Performance Radiator – Mazda 6 MPS GG MT
Application: Mazda 6 MPS | GG Chassis | Manual Transmission
Part Number: KV062779 | VH062779
The Mazda 6 MPS is one of the most underrated performance sedans of its era — a turbocharged, all-wheel-drive machine that punches well above its weight. When you're pushing the MPS hard, the factory cooling system can become a limiting factor under sustained high-load conditions. The Koyorad KV062779 is a direct bolt-in performance upgrade engineered for the GG Mazda 6, delivering improved cooling capacity without any cutting, drilling, or fabrication.
Koyorad's all-aluminium construction and high-efficiency 36mm core design dissipate heat faster and more effectively than the factory unit, keeping coolant temperatures in check even under sustained high-load driving. Nocolok furnace brazed, precision TIG welded by hand, and triple pressure tested — it retains all OEM fan shroud mounts and stock hose connections with no modifications required.
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 | KV062779 |
| Alt Part Number | VH062779 |
| Core Thickness | 36mm |
| Core Dimensions (H × W) | 375 × 720/744mm |
| Tank Dimensions | 43/43 × 754mm |
| Inlet / Outlet Diameter | ⌢32mm (top and bottom) |
| Drain Plug | PI-1186 |
| OEM Part Number | L3K9 15 200D |
| Construction | All Aluminium, Nocolok Brazed, Heliarc Welded |
| Transmission | Manual (MT) |
| Fitment | Direct bolt-in, no modifications required |
Cross Reference
| Koyorad | KV062779 / VH062779 |
| Mazda OEM | L3K9 15 200D |
Fitment Table
| Year | Make | Model | Chassis | Submodel |
|---|---|---|---|---|
| 2005–2007 | Mazda | 6 MPS | GG | MPS — Manual Transmission |
Sold individually. Manual transmission fitment only. Lead times may apply — contact us at Coore for availability and shipping estimates.
Coore Performance & Aftermarket is an Authorised Australian Distributor of Koyorad Performance Radiators.
Shop with confidence — all Koyorad products sold through Coore are genuine, backed by manufacturer support, and shipped from Australia.