OE Quality
60-Day Returns

Koyorad A2268 Radiator
Koyorad A2268 Radiator for Mazda Miata
The Koyorad A2268 radiator is an OE-equivalent replacement built for 1999-2005 Mazda Miata applications. It combines an aluminum core with plastic tanks and includes an internal transmission oil cooler for direct cooling-system service.
Key Features
- Fits 1999-2005 Mazda Miata
- Aluminum core with a single-row design
- Plastic tank construction
- Core dimensions: 26.25 in. wide, 12.625 in. high, 0.625 in. thick
- 1.25 in. inlet and outlet diameters
- Internal transmission oil cooler included
- Transmission oil cooler diameter: 1 in.
- Part number: A2268
Detailed Description
Built for Mazda Miata cooling-system replacement, the Koyorad A2268 radiator is engineered as an OE-style radiator assembly with the correct core size and integrated transmission oil cooler. The aluminum core supports efficient heat transfer, while the plastic tanks match the construction commonly used in factory-style replacement radiators. For shoppers searching for a 1999-2005 Mazda Miata radiator with transmission cooler, A2268 provides a direct-fit service part for the listed application.
Koyorad focuses on replacement radiators that follow OE-equivalent specifications, using manufacturing experience to deliver a part that aligns with original cooling-system requirements. If you need a Koyorad A2268 radiator for Mazda Miata cooling repair, this unit is built around the dimensions and connections needed for the confirmed fitment range.
Common Problems This Radiator Can Address
- Coolant leaks from a damaged or aging radiator
- Overheating caused by restricted or inefficient heat exchange
- Cracked or brittle tank material on the original radiator
- Transmission fluid cooling issues related to a failed internal cooler
- Reduced cooling performance in a high-mileage Mazda Miata
Installation Notes and Tips
Verify inlet and outlet sizing, cooler connection requirements, and overall dimensions before installation. Transfer any required sensors, hoses, or mounting components from the original setup if your vehicle configuration calls for them. Flush the cooling system and inspect related hoses, clamps, and the thermostat before installing the new radiator. This part fits 1999-2005 Mazda Miata, N/A.
Quality Assurance
Koyorad manufactures OE-equivalent replacement radiators with the technical experience needed to meet factory-style cooling-system requirements. Part number A2268 is built to the listed specifications for the confirmed Mazda Miata application.
| Brand | Koyorad |
| Part Number | A2268 |
| Core Height | 12.625 |
| Core Material | Aluminum |
| Core Row Quantity | 1 |
| Core Thickness | 0.625 |
| Core Width | 26.25 |
| Inlet Diameter | 1.25 |
| Internal Transmission Oil Cooler | Yes |
| Outlet Diameter | 1.25 |
| Tank Material | Plastic |
| Title | Koyorad a2268 radiator |
| Transmission Oil Cooler Diameter | 1 |
| Transmission Oil Cooler Included | Yes |
This part fits 7 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2005 | Mazda | Miata | 1.8L | L4 | N/A | |
| 2004 | Mazda | Miata | 1.8L | L4 | N/A | |
| 2003 | Mazda | Miata | 1.8L | L4 | N/A | |
| 2002 | Mazda | Miata | 1.8L | L4 | N/A | |
| 2001 | Mazda | Miata | 1.8L | L4 | N/A | |
| 2000 | Mazda | Miata | 1.8L | L4 | N/A | |
| 1999 | Mazda | Miata | 1.8L | L4 | N/A |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.