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Koyorad A1778 Radiator
Koyorad A1778 Radiator for Tacoma
The Koyorad A1778 radiator is an OE-equivalent replacement built for 1995-2004 Toyota Tacoma applications. It combines an aluminum core with plastic tanks and includes an internal transmission oil cooler for direct cooling-system service.
Key Features
- Fits 1995-2004 Toyota Tacoma, N/A
- Aluminum core with single-row construction
- Plastic tank design for OE-style fitment
- Internal transmission oil cooler included
- 1.375 in. inlet and outlet diameters
- Core dimensions: 18.6875 in. height, 25.8125 in. width, 0.625 in. thickness
- Transmission oil cooler diameter: 1.25 in.
Product Details
Koyorad Radiator A1778 is engineered as a direct replacement radiator for Toyota Tacoma cooling-system service. Koyorad uses technical manufacturing experience to produce OE-equivalent radiators that match the original-style layout, including the integrated transmission oil cooler. For shoppers searching for a 1995-2004 Toyota Tacoma radiator, Koyorad A1778 provides the core size, inlet and outlet sizing, and tank construction needed for a proper replacement.
This part cross-references no listed part numbers in the provided data.
Common Problems This Radiator Addresses
- Coolant leaks from a damaged or aging radiator
- Overheating caused by restricted or inefficient heat transfer
- Transmission fluid temperature control issues tied to a failed cooler circuit
- Cracked or brittle plastic tanks on an original Tacoma radiator
- Reduced cooling performance from corrosion or internal wear
Installation Notes and Tips
Verify core dimensions, inlet and outlet diameter, and transmission cooler connections before installation. Flush the cooling system, inspect hoses and clamps, and confirm proper coolant fill and bleed procedures after replacement. This radiator is listed for 1995-2004 Toyota Tacoma, N/A applications.
Quality Assurance
Koyorad positions this radiator line as an OE-equivalent replacement built with the manufacturing know-how needed to complete the job correctly the first time. The A1778 is built to match the original cooling-system configuration for the listed Tacoma fitment.
| Brand | Koyorad |
| Part Number | A1778 |
| Position | Koyorad Radiator |
| Core Height | 18.6875 |
| Core Material | Aluminum |
| Core Row Quantity | 1 |
| Core Thickness | 0.625 |
| Core Width | 25.8125 |
| Inlet Diameter | 1.375 |
| Internal Transmission Oil Cooler | Yes |
| Outlet Diameter | 1.375 |
| Tank Material | Plastic |
| Title | Koyorad a1778 radiator |
| Transmission Oil Cooler Diameter | 1.25 |
| Transmission Oil Cooler Included | Yes |
This part fits 10 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2004 | Toyota | Tacoma | 2.4L | L4 | N/A | Koyorad Radiator |
| 2003 | Toyota | Tacoma | 2.4L | L4 | N/A | Koyorad Radiator |
| 2002 | Toyota | Tacoma | 2.4L | L4 | N/A | Koyorad Radiator |
| 2001 | Toyota | Tacoma | 2.4L | L4 | N/A | Koyorad Radiator |
| 2000 | Toyota | Tacoma | 2.4L | L4 | N/A | Koyorad Radiator |
| 1999 | Toyota | Tacoma | 2.4L | L4 | N/A | Koyorad Radiator |
| 1998 | Toyota | Tacoma | 2.4L | L4 | N/A | Koyorad Radiator |
| 1997 | Toyota | Tacoma | 2.4L | L4 | N/A | Koyorad Radiator |
| 1996 | Toyota | Tacoma | 2.4L | L4 | N/A | Koyorad Radiator |
| 1995 | Toyota | Tacoma | 2.4L | L4 | N/A | Koyorad Radiator |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.