OE Quality
60-Day Returns

Koyorad A2694 Radiator
Overview of Koyorad a2694 Radiator for Mazda RX-8
The Koyorad a2694 radiator is engineered specifically for the Mazda RX-8, providing reliable cooling performance. Designed with durable materials and integrated transmission oil cooling, this radiator supports optimal engine operation under various driving conditions.
- Core dimensions: 26.1875" width x 14.1875" height x 1" thickness
- Aluminum core material for efficient heat dissipation
- Single core row design
- Plastic tank construction for corrosion resistance
- Inlet and outlet diameters of 1.375" for proper coolant flow
- Includes internal transmission oil cooler with 1.0625" diameter lines
- Compatible with Mazda RX-8 models
About the Koyorad Radiator Product Line
The Koyorad Radiator line focuses on delivering high-quality cooling components that meet or exceed OEM specifications. This product line emphasizes precision engineering and material selection, such as aluminum cores and plastic tanks, to balance durability and weight. The a2694 radiator exemplifies these standards, offering integrated transmission oil cooling to support both engine and transmission thermal management.
Detailed Product Description
The Koyorad a2694 radiator features a single-row aluminum core measuring 26.1875 inches wide, 14.1875 inches high, and 1 inch thick. Aluminum core material enhances heat transfer efficiency, helping maintain optimal engine temperatures. The plastic tanks reduce corrosion risks and contribute to overall weight savings. Both the inlet and outlet ports measure 1.375 inches in diameter, ensuring proper coolant circulation. Additionally, this radiator includes an internal transmission oil cooler with 1.0625-inch diameter lines, providing integrated cooling for the transmission fluid. This design supports the Mazda RX-8's performance and longevity by managing heat from both engine coolant and transmission oil.
Common Applications and Problem Resolution
- Replacement for leaking or damaged radiator in Mazda RX-8
- Improves engine cooling efficiency to prevent overheating
- Supports transmission oil cooling to avoid transmission overheating
- Addresses corrosion or tank damage issues in original radiator
- Restores proper coolant flow with correct inlet/outlet sizing
Installation Notes and Tips
When installing the Koyorad a2694 radiator, ensure compatibility with Mazda RX-8 models by verifying part number and dimensions. Properly connect the 1.375-inch inlet and outlet hoses and the transmission oil cooler lines sized at 1.0625 inches. Inspect all hose clamps and seals for tightness to prevent leaks. It is recommended to flush the cooling system before installation to remove debris and contaminants.
Quality Assurance and Warranty
The Koyorad a2694 radiator is manufactured to meet OEM standards for fit, form, and function. The use of aluminum core and plastic tanks ensures durability and corrosion resistance. While specific warranty details are not provided, Koyorad products typically undergo rigorous quality control to ensure reliable performance in automotive cooling applications.
| Brand | Koyorad |
| Part Number | A2694 |
| Position | Koyorad Radiator |
| Core Height | 14.1875 |
| Core Material | Aluminum |
| Core Row Quantity | 1 |
| Core Thickness | 1 |
| Core Width | 26.1875 |
| Inlet Diameter | 1.375 |
| Internal Transmission Oil Cooler | Yes |
| Outlet Diameter | 1.375 |
| Tank Material | Plastic |
| Title | Koyorad a2694 radiator |
| Transmission Oil Cooler Diameter | 1.0625 |
| Transmission Oil Cooler Included | Yes |
This part fits 5 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2008 | Mazda | RX-8 | 1.3L | R2 | N/A | Koyorad Radiator |
| 2007 | Mazda | RX-8 | 1.3L | R2 | N/A | Koyorad Radiator |
| 2006 | Mazda | RX-8 | 1.3L | R2 | N/A | Koyorad Radiator |
| 2005 | Mazda | RX-8 | 1.3L | R2 | N/A | Koyorad Radiator |
| 2004 | Mazda | RX-8 | 1.3L | R2 | N/A | Koyorad Radiator |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.