Koyorad A2277 Radiator

Brand Koyorad A2277
Core Height 12.625
Core Material Aluminum
Core Row Quantity 1
Core Thickness 0.625
Core Width 26.25
Inlet Diameter 1.25
Outlet Diameter 1.25
Tank Material Plastic
Title Koyorad a2277 radiator
Fits Mazda · 7 vehicles

OE equivalent replacement. Built to match original radiator function for a straightforward swap.

Aluminum core. Helps transfer heat efficiently with a lightweight design.

Plastic tanks. Durable construction for dependable cooling performance.

$137.08Free shipping
In stock · usually ships same day before 1pm CST
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Order total $137.08
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Koyorad A2277 Radiator for Mazda Miata

The Koyorad A2277 radiator is an OE-equivalent replacement built for 1999-2005 Mazda Miata applications. It uses an aluminum core with plastic tanks and the correct inlet and outlet sizing for a direct-fit cooling system service.

Key Features

  • Fits 1999-2005 Mazda Miata
  • Part number A2277
  • Aluminum core construction
  • Single-row core design
  • Core dimensions: 26.25 in. wide, 12.625 in. high, 0.625 in. thick
  • 1.25 in. inlet and 1.25 in. outlet diameters
  • Plastic tank material

Product Details

Koyorad A2277 is a radiator replacement for Mazda Miata cooling system service, engineered to match OE-style fitment and dimensions. The aluminum core helps transfer heat efficiently, while the plastic tanks follow a common factory-style radiator construction used in many passenger vehicles. With a 1-row core, 26.25-inch width, 12.625-inch height, and 0.625-inch thickness, this radiator is specified for 1999-2005 Mazda Miata models and is identified by part number A2277.

Common Cooling System Issues It Can Address

  • Cracked or leaking radiator tanks
  • Corrosion or damage in the radiator core
  • Restricted coolant flow from an aging radiator
  • Overheating caused by reduced heat dissipation
  • Cooling system service on a 1999-2005 Mazda Miata

Installation Notes and Tips

Verify core dimensions, inlet and outlet diameter, and mounting layout before installation on your Mazda Miata. Inspect hoses, clamps, and coolant condition during radiator replacement, and flush the cooling system if contamination or debris is present. Confirm that the replacement radiator matches the vehicle’s year and cooling system configuration before final assembly.

Quality Assurance

Koyorad manufactures OE-equivalent radiators using technical experience focused on replacement cooling components. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

This part fits 7 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2005MazdaMiata1.8LL4N/A—
2004MazdaMiata1.8LL4N/A—
2003MazdaMiata1.8LL4N/A—
2002MazdaMiata1.8LL4N/A—
2001MazdaMiata1.8LL4N/A—
2000MazdaMiata1.8LL4N/A—
1999MazdaMiata1.8LL4N/A—