HomeBelts and Cooling > Radiators, Coolers and Related ComponentsCSF 3721 Radiator And A/C Condenser Assembly
Part #: 3721

CSF 3721 Radiator And A/C Condenser Assembly

1 Row All Aluminum
⚙️ 25 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦1 Row All Aluminum
🚗Fitment: Nissan and INFINITI, 370Z, Q40, Q60, G37, G25, and G35
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Overview of CSF 1 Row All Aluminum Radiator Assembly

The CSF 3721 radiator and A/C condenser assembly is engineered for reliable cooling performance in select Infiniti and Nissan vehicles. Designed with a single-row all-aluminum core and tanks, this radiator supports efficient heat dissipation and durability for models like the Infiniti G35, Q60, and Nissan 370Z.

  • Core thickness: 7/8 inch
  • Core dimensions: 25 1/16 inches length x 17 11/16 inches width
  • All-aluminum core and tank construction
  • Cross flow design for optimized coolant flow
  • Inlet and outlet diameters: 1 3/8 inches (right inlet, left outlet)
  • Includes high-efficiency 10 7/16 inch plate-type oil cooler
  • Compatible with Infiniti and Nissan models including 370Z, G25, G35, G37, Q40, and Q60

Details on the 1 Row All Aluminum Product Line

The CSF 1 Row All Aluminum product line features radiators constructed entirely from aluminum, including both the core and tanks. This design offers improved heat transfer and corrosion resistance compared to traditional materials. The single-row core configuration balances cooling capacity with compact size, making it suitable for performance-oriented vehicles such as the Infiniti G37 and Nissan 370Z. The 1 Row All Aluminum line is engineered to meet OEM specifications, ensuring proper fit and function.

Technical Specifications and Features

This radiator assembly (part number 3721) incorporates a 7/8 inch thick aluminum core measuring 25 1/16 inches in length and 17 11/16 inches in width. The cross flow design enhances coolant circulation, improving thermal efficiency. Both inlet and outlet ports have a diameter of 1 3/8 inches, positioned on the right and left sides respectively, facilitating straightforward hose connections. The integrated oil cooler is a high-efficiency plate type measuring 10 7/16 inches, supporting engine oil temperature regulation. The entire assembly weighs approximately 18 pounds and is shipped without a radiator cap.

Applications and Problem Solving

  • Replacement for damaged or leaking radiator in Infiniti G35 and Nissan 370Z
  • Improves cooling efficiency in vehicles experiencing overheating issues
  • Restores proper coolant flow in cross flow radiator systems
  • Supports engine oil cooling to prevent overheating in high-performance driving
  • Addresses corrosion or tank failure common in older radiators

Installation Notes and Tips

Ensure compatibility with your specific Infiniti or Nissan model before installation. The radiator features standard inlet and outlet diameters of 1 3/8 inches; verify hose sizes for a secure fit. Since the radiator cap is not included, reuse the existing cap or purchase a compatible replacement separately. Properly bleed the cooling system after installation to avoid air pockets and ensure optimal performance.

Quality Assurance and Warranty

The CSF 3721 radiator assembly is manufactured to meet OEM standards for fit, form, and function. Constructed with durable aluminum materials, it offers resistance to corrosion and thermal stress. While specific warranty details are not provided here, CSF products typically come with a limited warranty covering defects in materials and workmanship. Consult the product documentation or manufacturer for exact warranty terms.

BrandCSF
Part Number3721
Position1 Row All Aluminum
Box Height (in)11 3/16
Box Length (in)36 3/4
Box Weight (lbs)18
Box Width (in)22 3/8
Cap IncludedNo
Core Length25 1/16
Core MaterialAluminum
Core Thickness7/8
Core Width17 11/16
Down Flow Or Cross Flow TypeCross Flow
Hazardous MaterialNo
Inlet Diameter1 3/8 Right
Inlet Length (in)18 1/2
Inlet Width (in)1 1/4
Oil Cooler (in)10 7/16 (high-efficiency Plate Type)
Outlet Diameter1 3/8 Left
Outlet Length (in)18 1/2
Outlet Width (in)1 1/4
Radiator Core Row Quantity1
Tank MaterialAluminum
Tech NoteO.E.M. Style All Aluminum tanks & core;supplied as Radiator & Condenser module;Unique 2 piece Patented Design (Pending).

This part fits 25 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2020Nissan370Z3.7LV6N/AUse Mini, 20 psi Cap; Radiator & Condenser Module; Includes O-Ring For Receiver Dryer Sensor (Temporary); OE Style Design, Unique 2 Pc. Patented Design (Pending); 1 Row All Aluminum
2019Nissan370Z3.7LV6N/AUse Mini, 20 psi Cap; Radiator & Condenser Module; Includes O-Ring For Receiver Dryer Sensor (Temporary); OE Style Design, Unique 2 Pc. Patented Design (Pending); 1 Row All Aluminum
2018Nissan370Z3.7LV6N/AUse Mini, 20 psi Cap; Radiator & Condenser Module; Includes O-Ring For Receiver Dryer Sensor (Temporary); OE Style Design, Unique 2 Pc. Patented Design (Pending); 1 Row All Aluminum
2017Nissan370Z3.7LV6N/AUse Mini, 20 psi Cap; Radiator & Condenser Module; Includes O-Ring For Receiver Dryer Sensor (Temporary); OE Style Design, Unique 2 Pc. Patented Design (Pending); 1 Row All Aluminum
2016Nissan370Z3.7LV6N/AUse Mini, 20 psi Cap; Radiator & Condenser Module; Includes O-Ring For Receiver Dryer Sensor (Temporary); OE Style Design, Unique 2 Pc. Patented Design (Pending); 1 Row All Aluminum
2015INFINITIQ403.7LV6N/AUse Mini, 20 psi Cap; Radiator & Condenser Module; Includes O-Ring For Receiver Dryer Sensor (Temporary); OE Style Design, Unique 2 Pc. Patented Design (Pending); 1 Row All Aluminum
2015INFINITIQ603.7LV6N/AUse Mini, 20 psi Cap; Radiator & Condenser Module; Includes O-Ring For Receiver Dryer Sensor (Temporary); OE Style Design, Unique 2 Pc. Patented Design (Pending); 1 Row All Aluminum
2015Nissan370Z3.7LV6N/AUse Mini, 20 psi Cap; Radiator & Condenser Module; Includes O-Ring For Receiver Dryer Sensor (Temporary); OE Style Design, Unique 2 Pc. Patented Design (Pending); 1 Row All Aluminum
2014INFINITIQ603.7LV6N/AUse Mini, 20 psi Cap; Radiator & Condenser Module; Includes O-Ring For Receiver Dryer Sensor (Temporary); OE Style Design, Unique 2 Pc. Patented Design (Pending); 1 Row All Aluminum
2014Nissan370Z3.7LV6N/AUse Mini, 20 psi Cap; Radiator & Condenser Module; Includes O-Ring For Receiver Dryer Sensor (Temporary); OE Style Design, Unique 2 Pc. Patented Design (Pending); 1 Row All Aluminum
2013INFINITIG373.7LV6N/AUse Mini, 20 psi Cap; Radiator & Condenser Module; Includes O-Ring For Receiver Dryer Sensor (Temporary); OE Style Design, Unique 2 Pc. Patented Design (Pending); 1 Row All Aluminum
2013Nissan370Z3.7LV6N/AUse Mini, 20 psi Cap; Radiator & Condenser Module; Includes O-Ring For Receiver Dryer Sensor (Temporary); OE Style Design, Unique 2 Pc. Patented Design (Pending); 1 Row All Aluminum
2012INFINITIG252.5LV6N/AUse Mini, 20 psi Cap; Radiator & Condenser Module; Includes O-Ring For Receiver Dryer Sensor (Temporary); OE Style Design, Unique 2 Pc. Patented Design (Pending); 1 Row All Aluminum
2012INFINITIG373.7LV6N/AUse Mini, 20 psi Cap; Radiator & Condenser Module; Includes O-Ring For Receiver Dryer Sensor (Temporary); OE Style Design, Unique 2 Pc. Patented Design (Pending); 1 Row All Aluminum
2012Nissan370Z3.7LV6N/AUse Mini, 20 psi Cap; Radiator & Condenser Module; Includes O-Ring For Receiver Dryer Sensor (Temporary); OE Style Design, Unique 2 Pc. Patented Design (Pending); 1 Row All Aluminum
2011INFINITIG252.5LV6N/AUse Mini, 20 psi Cap; Radiator & Condenser Module; Includes O-Ring For Receiver Dryer Sensor (Temporary); OE Style Design, Unique 2 Pc. Patented Design (Pending); 1 Row All Aluminum
2011INFINITIG373.7LV6N/AUse Mini, 20 psi Cap; Radiator & Condenser Module; Includes O-Ring For Receiver Dryer Sensor (Temporary); OE Style Design, Unique 2 Pc. Patented Design (Pending); 1 Row All Aluminum
2011Nissan370Z3.7LV6N/AUse Mini, 20 psi Cap; Radiator & Condenser Module; Includes O-Ring For Receiver Dryer Sensor (Temporary); OE Style Design, Unique 2 Pc. Patented Design (Pending); 1 Row All Aluminum
2010INFINITIG373.7LV6N/AUse Mini, 20 psi Cap; Radiator & Condenser Module; Includes O-Ring For Receiver Dryer Sensor (Temporary); OE Style Design, Unique 2 Pc. Patented Design (Pending); 1 Row All Aluminum
2010Nissan370Z3.7LV6N/AUse Mini, 20 psi Cap; Radiator & Condenser Module; Includes O-Ring For Receiver Dryer Sensor (Temporary); OE Style Design, Unique 2 Pc. Patented Design (Pending); 1 Row All Aluminum
2009INFINITIG373.7LV6N/AUse Mini, 20 psi Cap; Radiator & Condenser Module; Includes O-Ring For Receiver Dryer Sensor (Temporary); OE Style Design, Unique 2 Pc. Patented Design (Pending); 1 Row All Aluminum
2009Nissan370Z3.7LV6N/AUse Mini, 20 psi Cap; Radiator & Condenser Module; Includes O-Ring For Receiver Dryer Sensor (Temporary); OE Style Design, Unique 2 Pc. Patented Design (Pending); 1 Row All Aluminum
2008INFINITIG353.5LV6N/AUse Mini, 20 psi Cap; Radiator & Condenser Module; Includes O-Ring For Receiver Dryer Sensor (Temporary); OE Style Design, Unique 2 Pc. Patented Design (Pending); 1 Row All Aluminum
2008INFINITIG373.7LV6N/AUse Mini, 20 psi Cap; Radiator & Condenser Module; Includes O-Ring For Receiver Dryer Sensor (Temporary); OE Style Design, Unique 2 Pc. Patented Design (Pending); 1 Row All Aluminum
2007INFINITIG353.5LV6N/AUse Mini, 20 psi Cap; Radiator & Condenser Module; Includes O-Ring For Receiver Dryer Sensor (Temporary); OE Style Design, Unique 2 Pc. Patented Design (Pending); 1 Row All Aluminum

* 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:

1300421410-JK20A21410-JK20B21460-JK20A21460-JK90A21460-JK90B8013004NI3010227

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