TYC
TYC Radiator

TYC 2694 Radiator

Brand TYC 2694
Bottom Header 1.96x26.43
Core Height (in) 25.51
Core Length (in) 14.17
Core Material Aluminum
Core Thickness (in) 1.02
Engine Oil Cooler Included No
Fin Count (every 4") 73
Fin Wave Height (in) 0.31
Find Wave Pitch 2.8
Flow Configuration Downflow
Inlet Connection Type Hose Clamp
Inlet Diameter (in) 1.38
No. Of Rows 1
Outlet Connection Type Hose Clamp
Outlet Diameter (in) 1.38
Toc Distance (in) 2.76
Toc Inlet Diameter (in) 0.39
Toc Inlet Type Adapter
Toc Outlet Diameter (in) 0.39
Toc Outlet Type Adapter
Top Header 1.96x26.43
Total Fin Row Count 65
Total Tube Count 64
Transmission Oil Cooler Included Yes
Transmission Oil Cooler Type Plate Oil Cooler
Tube Count (every 4") 10
Tube Width X Height 26x2
Product line TYC Radiator
Fits Mazda · 5 vehicles

Aluminum core. Lightweight construction helps promote efficient heat transfer.

Transmission oil cooler included. Adds integrated cooling for the transmission fluid circuit.

Downflow design. Supports steady coolant flow through the radiator.

Cross-references APDI 8012694, CSF 2326 and DENSO 221-9389 for the same application. See all 9.

$161.20Free shipping
In stock · usually ships same day before 1pm CST
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Step 2 — Quantity
Order total $161.20
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Free returns within 60 days if it doesn't fit when fitment is verified.

TYC Radiator for Mazda RX-8 Cooling Service

The TYC Radiator 2694 is a direct-fit radiator for 2004-2008 Mazda RX-8 applications. Built with an aluminum core and a downflow design, it includes an integrated plate-style transmission oil cooler for vehicles equipped with automatic transmission cooling needs.

Key Features

  • Aluminum core construction for efficient heat transfer
  • Downflow flow configuration
  • Transmission oil cooler included with plate oil cooler design
  • Hose clamp inlet and outlet connections
  • Core dimensions: 25.51 in. height, 14.17 in. length, 1.02 in. thickness
  • 1-row core with 64 tubes and 65 total fin rows
  • Inlet and outlet diameters: 1.38 in.
  • TYC Radiator 2694 cross-references select aftermarket and OE numbers

Product Details

TYC Radiator 2694 is engineered for the 2004-2008 Mazda RX-8 and follows the original cooling layout with a downflow configuration and hose clamp connections. The aluminum core is paired with an integrated transmission oil cooler, making it a practical replacement when the radiator and transmission cooling circuit are serviced together. This part also cross-references APDI 8012694 and DENSO 221-9389 for the same application.

Common Uses

  • Replacing a leaking or corroded Mazda RX-8 radiator
  • Restoring coolant flow after internal tube blockage
  • Addressing transmission fluid cooling concerns tied to the radiator cooler circuit
  • Repairing overheating caused by reduced radiator efficiency
  • Servicing a damaged radiator tank, header, or core assembly

Installation Notes

Fits 2004-2008 Mazda RX-8, N/A. Verify inlet and outlet hose diameter, cooler line adapter style, and core dimensions before installation. Transfer any required vehicle-specific fittings or sensors from the original radiator if applicable, and confirm proper coolant fill and bleed procedures after installation.

Quality Assurance

TYC Radiator components are built to match application-specific cooling requirements and OE-style fitment expectations for the listed Mazda RX-8 model years. Part number 2694 is specified for direct replacement use in the confirmed vehicle range.

This part fits 5 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelTransmissionLitersCylindersPositionNotes
2008MazdaRX-8Automatic1.3LR2N/ATYC Radiator
2007MazdaRX-8Automatic1.3LR2N/ATYC Radiator
2006MazdaRX-8Automatic1.3LR2N/ATYC Radiator
2005MazdaRX-8Automatic1.3LR2N/ATYC Radiator
2004MazdaRX-8Automatic1.3LR2N/ATYC Radiator
Directly replaces or cross-references 9 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
APDI — 8012694CSF — 2326DENSO — 221-9389Mazda — N3H4-15-200DPartslink — MA3010205Silla Cooling — 7540Spectra Premium — CU2694TYC — MZ37034AVista Pro — 432682