Part #: 3131

CSF 3131 Radiator

1 Row Plastic Tank Aluminum Core
⚙️ 1 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦1 Row Plastic Tank Aluminum Core
🚗Fitment: Nissan, Maxima
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Overview of CSF 3131 Radiator for Nissan Maxima

The CSF 3131 radiator is designed specifically for Nissan Maxima models, providing reliable engine cooling with a durable aluminum core and plastic tanks. This radiator features a single-row core construction optimized for efficient heat dissipation in a down flow configuration.

  • Core thickness: 5/8 inch
  • Core width: 28 11/16 inches
  • Core length: 15 13/16 inches
  • Aluminum core material with plastic tanks
  • Inlet and outlet diameter: 1 3/8 inches (left inlet, right outlet)
  • Down flow radiator type with 1 core row
  • Includes high-efficiency concentric type oil cooler (13 3/4 inches)
  • Does not include radiator cap (CSF cap number 4502 compatible)

Details on the 1 Row Plastic Tank Aluminum Core Product Line

The CSF 1 Row Plastic Tank Aluminum Core product line combines OEM-style plastic tanks with a robust aluminum core to balance durability and weight. This design supports effective cooling performance while maintaining compatibility with factory mounting points and hose connections. The single-row core thickness and dimensions are engineered to meet the cooling demands of vehicles like the Nissan Maxima without requiring modifications.

Product Description and Specifications

The CSF 3131 radiator features a 5/8 inch thick aluminum core measuring 28 11/16 inches wide by 15 13/16 inches long. The plastic tanks are designed to withstand typical operating conditions while reducing overall weight. The radiator uses a down flow design, directing coolant from the top to the bottom of the core, which is common in many Nissan Maxima cooling systems. Both the inlet and outlet have a diameter of 1 3/8 inches, positioned on the left and right sides respectively, ensuring proper hose fitment. Additionally, this radiator includes a high-efficiency concentric type oil cooler measuring 13 3/4 inches, which helps maintain optimal engine oil temperatures.

Common Applications and Problem Solving

  • Replacement for leaking or damaged Nissan Maxima radiators
  • Resolves overheating issues caused by clogged or inefficient cores
  • Addresses coolant leaks from cracked plastic tanks
  • Improves cooling system reliability in older Maxima models
  • Supports engine oil temperature control with integrated oil cooler

Installation Notes and Tips

When installing the CSF 3131 radiator, ensure compatibility with your Nissan Maxima model year and engine configuration. The radiator does not include a cap, so use a compatible CSF cap number 4502 or OEM equivalent. Verify hose diameters and lengths match the inlet and outlet specifications (1 3/8 inch diameter). Properly bleed the cooling system after installation to avoid air pockets. Handle the plastic tanks carefully to prevent damage during installation.

Quality Assurance and Warranty

CSF radiators are manufactured to meet OEM standards, using high-quality aluminum cores and durable plastic tanks. This radiator is free of hazardous materials and designed for long-term service. While specific warranty details are not provided here, CSF products typically come with manufacturer-backed warranties covering defects in materials and workmanship. Consult the product packaging or CSF directly for exact warranty terms.

BrandCSF
Part Number3131
Position1 Row Plastic Tank Aluminum Core
Box Height (in)4 1/2
Box Length (in)31 7/16
Box Weight (lbs)9
Box Width (in)22 3/16
Cap IncludedNo
Core Length15 13/16
Core MaterialAluminum
Core Thickness5/8
Core Width28 11/16
Csf Cap Number4502
Down Flow Or Cross Flow TypeDown Flow
Hazardous MaterialNo
Inlet Diameter1 3/8 Left
Inlet Length (in)29 1/2
Inlet Width (in)1 5/8
Oil Cooler (in)13 3/4 (high-effeciency Concentric Type)
Outlet Diameter1 3/8 Right
Outlet Length (in)29 1/2
Outlet Width (in)1 5/8
Radiator Core Row Quantity1
Tank MaterialPlastic
Tech NoteO.E.M. style Plastic tanks & Aluminum core.

This part fits 1 vehicles. Search below:

YearMakeModelTransmissionLitersCylindersPositionNotes
2004NissanMaximaAutomatic3.5LV6N/AOE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core

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

This part directly replaces or is cross-referenced with the following part numbers:

21460-8Y10026938012693CU2693NI3010195

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.