CSF
1 Row Plastic Tank Aluminum Core

CSF 3398 Radiator

Brand CSF 3398
Box Height (in) 5 11/16
Box Length (in) 33
Box Weight (lbs) 10
Box Width (in) 21 15/16
Cap Included No
Core Length 15 3/4
Core Material Aluminum
Core Thickness 5/8
Core Width 30 5/16
Csf Cap Number 4514
Down Flow Or Cross Flow Type Down Flow
Hazardous Material No
Inlet Diameter 1 5/16 Left
Inlet Length (in) 31
Inlet Width (in) 1
Oil Cooler (in) 12 13/16 (high-efficiency Plate Type)
Outlet Diameter 1 5/16 Left
Outlet Length (in) 31
Outlet Width (in) 1 5/8
Radiator Core Row Quantity 1
Tank Material Plastic
Tech Note O.E.M. style Plastic tanks & Aluminum core.
Product line 1 Row Plastic Tank Aluminum Core
Fits Acura · 3 vehicles

OE-style construction. Plastic tanks and an aluminum core mirror original equipment design.

Wind tunnel tested. Validated for cooling performance in laboratory testing.

1-row core. A single-row design helps keep the radiator compact.

Cross-references APDI 8013082, OSC 13082 and Spectra Premium CU13082 for the same application. See all 8.

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CSF 3398 Radiator for Acura TSX

CSF 3398 is an OE-style radiator built with a 1-row aluminum core and plastic tanks for the 2009-2011 Acura TSX. It is engineered for direct replacement service in the cooling system and matches the factory-style down-flow layout.

Key Features

  • Fits 2009-2011 Acura TSX, N/A
  • 1-row radiator design with aluminum core and plastic tank construction
  • Down-flow configuration for OE-style cooling system layout
  • Core thickness: 5/8 in.
  • Core dimensions: 30 5/16 in. wide x 15 3/4 in. long
  • Inlet and outlet diameter: 1 5/16 in. left
  • Oil cooler: 12 13/16 in. high-efficiency plate type
  • Cap not included; CSF cap number 4514
  • Part number: 3398

Product Details

CSF manufactures radiators to high-performance standards and validates cooling performance through laboratory wind tunnel testing. The CSF 3398 follows an OEM-style plastic tank and aluminum core design, making it a direct-fit replacement for Acura TSX cooling system service. This radiator is built for the 2009, 2010, and 2011 Acura TSX and is identified by part number 3398. This part cross-references APDI 8013082 for the same application.

Common Cooling System Issues It Can Address

  • Cracked or leaking radiator tanks
  • Corroded or restricted radiator core passages
  • Reduced coolant flow from an aging radiator assembly
  • Overheating caused by poor heat transfer
  • Transmission or engine cooling concerns tied to radiator wear

Installation Notes

Verify inlet and outlet orientation before installation, since this radiator uses left-side inlet and outlet connections. Confirm the vehicle uses the OE-style down-flow layout and check clearance for the integrated plate-type oil cooler. Use the correct pressure cap specified for the application; cap is not included.

Quality Assurance

CSF states that its factories are ISO/TSO certified and that its radiators are engineered for cooling performance validation. The brand has supplied radiators worldwide for more than 50 years and manufactures a broad range of applications for leading vehicle brands.

This part fits 3 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2011AcuraTSX2.4LL4N/AOE Style Design; Use Micro, 16 psi Cap; 1 Row Plastic Tank Aluminum Core
2010AcuraTSX2.4LL4N/AOE Style Design; Use Micro, 16 psi Cap; 1 Row Plastic Tank Aluminum Core
2009AcuraTSX2.4LL4N/AOE Style Design; Use Micro, 16 psi Cap; 1 Row Plastic Tank Aluminum Core
Directly replaces or cross-references 8 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
APDI — 8013082OSC — 13082Spectra Premium — CU1308219010-RL5-A0119010-RL5-A0219010-RL5-A5119010-RL5-A52AC3010145