Part #: A1778

Koyorad A1778 Radiator

Koyorad Radiator
⚙️ 10 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Koyorad Radiator
🚗Fitment: Toyota, Tacoma
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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.

BrandKoyorad
Part NumberA1778
PositionKoyorad Radiator
Core Height18.6875
Core MaterialAluminum
Core Row Quantity1
Core Thickness0.625
Core Width25.8125
Inlet Diameter1.375
Internal Transmission Oil CoolerYes
Outlet Diameter1.375
Tank MaterialPlastic
TitleKoyorad a1778 radiator
Transmission Oil Cooler Diameter1.25
Transmission Oil Cooler IncludedYes

This part fits 10 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2004ToyotaTacoma2.4LL4N/AKoyorad Radiator
2003ToyotaTacoma2.4LL4N/AKoyorad Radiator
2002ToyotaTacoma2.4LL4N/AKoyorad Radiator
2001ToyotaTacoma2.4LL4N/AKoyorad Radiator
2000ToyotaTacoma2.4LL4N/AKoyorad Radiator
1999ToyotaTacoma2.4LL4N/AKoyorad Radiator
1998ToyotaTacoma2.4LL4N/AKoyorad Radiator
1997ToyotaTacoma2.4LL4N/AKoyorad Radiator
1996ToyotaTacoma2.4LL4N/AKoyorad Radiator
1995ToyotaTacoma2.4LL4N/AKoyorad Radiator

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.