CSF
1 Row Plastic Tank Aluminum Core

CSF 2946 Radiator

Brand CSF 2946
Box Height (in) 5 1/16
Box Length (in) 30 1/4
Box Weight (lbs) 13
Box Width (in) 24 3/4
Cap Included No
Core Length 17 11/16
Core Material Aluminum
Core Thickness 1 1/4
Core Width 27 1/16
Csf Cap Number 4503
Down Flow Or Cross Flow Type Down Flow
Hazardous Material No
Inlet Diameter 1 7/16 Right
Inlet Length (in) 27 13/16
Inlet Width (in) 2
Oil Cooler (in) 14 3/4 (high-effeciency Concentric Type)
Outlet Diameter 1 7/16 Right
Outlet Length (in) 27 13/16
Outlet Width (in) 2
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 Nissan · 7 vehicles

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

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

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

Cross-references Anchor 2409, APDI 8012409 and Spectra Premium CU2409 for the same application. See all 7.

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OE-Style Radiator for Frontier and Xterra

CSF Part Number 2946 is an OE-style radiator built with a plastic tank and aluminum core for direct replacement cooling performance. It is engineered for the 2001-2004 Nissan Frontier and 2002-2004 Nissan Xterra, with a down-flow design and right-side inlet and outlet placement.

The CSF 1 Row Plastic Tank Aluminum Core line focuses on factory-style fitment and cooling efficiency. This radiator follows the original equipment layout while using an aluminum core for heat transfer and plastic tanks for OE-style packaging in the engine bay.

Key Features

  • CSF radiator, Part Number 2946
  • Fits 2001-2004 Nissan Frontier and 2002-2004 Nissan Xterra
  • 1-row down-flow design
  • Plastic tank and aluminum core construction
  • Core thickness: 1 1/4 in.
  • Core size: 27 1/16 in. wide x 17 11/16 in. long
  • Inlet and outlet diameter: 1 7/16 in., right-side configuration
  • Oil cooler: 14 3/4 in. high-efficiency concentric type
  • Cap not included

Detailed Description

CSF Part Number 2946 is designed for drivers needing a direct-fit replacement radiator for Nissan Frontier and Nissan Xterra applications. It uses an OEM-style plastic tank and aluminum core layout, with a single-row down-flow configuration that matches the factory cooling system design. The radiator is built to support consistent coolant flow and heat dissipation in everyday driving conditions.

CSF manufactures radiators to high-performance standards and validates cooling performance through laboratory wind tunnel testing. The brand also supplies a wide range of radiator designs across many vehicle applications, which supports consistent fitment coverage for common repair needs. This part cross-references Spectra Premium CU2409 and APDI 8012409 for the same application.

Common Problems This Radiator Addresses

  • Cracked or leaking radiator tanks
  • Corrosion or clogging in the original cooling core
  • Overheating caused by reduced coolant flow
  • Damaged inlet or outlet connections
  • Cooling system failure on high-mileage Frontier or Xterra models

Installation Notes and Tips

Fits 2001-2004 Nissan Frontier, N/A, with OE style design and use of a mini, 13 psi cap. Fits 2002-2004 Nissan Xterra, N/A, with OE style design and use of a mini, 13 psi cap. Verify inlet and outlet orientation, core dimensions, and oil cooler routing before installation. The cap is not included, so reuse or replace the correct cap separately as needed.

Quality Assurance

CSF states that its factories are ISO/TSO certified and that its radiators are engineered and tested for cooling performance validation. Part Number 2946 is built to factory-style specifications for the listed Nissan applications.

This part fits 7 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2004NissanFrontier3.3LV6N/AOE Style Design; Use Mini, 13 psi Cap; 1 Row Plastic Tank Aluminum Core
2004NissanXterra3.3LV6N/AOE Style Design; Use Mini, 13 psi Cap; 1 Row Plastic Tank Aluminum Core
2003NissanFrontier3.3LV6N/AOE Style Design; Use Mini, 13 psi Cap; 1 Row Plastic Tank Aluminum Core
2003NissanXterra3.3LV6N/AOE Style Design; Use Mini, 13 psi Cap; 1 Row Plastic Tank Aluminum Core
2002NissanFrontier3.3LV6N/AOE Style Design; Use Mini, 13 psi Cap; 1 Row Plastic Tank Aluminum Core
2002NissanXterra3.3LV6N/AOE Style Design; Use Mini, 13 psi Cap; 1 Row Plastic Tank Aluminum Core
2001NissanFrontier3.3LV6N/AOE Style Design; Use Mini, 13 psi Cap; 1 Row Plastic Tank Aluminum Core
Directly replaces or cross-references 7 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Anchor — 2409APDI — 8012409Spectra Premium — CU240921410 - 5S70021460 - 5S70021460-1Z600NI3010107