Part #: RA2459C

Universal Air RA2459C Radiator

Downflow Radiator
⚙️ 8 vehicles fit this part
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Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
📦Downflow Radiator
🚗Fitment: Nissan and INFINITI, Pathfinder and QX4
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Universal Air Downflow Radiator RA2459C

The Universal Air Downflow Radiator RA2459C is designed specifically for cooling system replacement in select INFINITI and Nissan vehicles. Engineered to meet the cooling demands of the Pathfinder and QX4 models, this radiator ensures efficient heat dissipation and reliable engine temperature control.

  • Compatible with INFINITI Pathfinder and Nissan QX4 models
  • Part number RA2459C for precise identification
  • Downflow radiator design for effective coolant flow
  • Constructed to maintain optimal engine temperature under various driving conditions
  • Direct replacement for original equipment radiators

About the Downflow Radiator Product Line

The Downflow Radiator line by Universal Air features radiators designed with a vertical coolant flow path, which facilitates efficient heat exchange and supports consistent engine cooling. This design is particularly suited for vehicles like the INFINITI Pathfinder and Nissan QX4, where maintaining stable engine temperatures is critical for performance and longevity. The RA2459C model is part of this line, offering a reliable solution for radiator replacement needs.

Detailed Product Description

The RA2459C radiator from Universal Air is engineered to fit the cooling system requirements of the INFINITI Pathfinder and Nissan QX4. Its downflow design allows coolant to flow vertically through the radiator core, promoting effective heat transfer and helping prevent engine overheating. This radiator is manufactured to meet or exceed OEM specifications, ensuring compatibility and durability. It serves as a direct replacement part, simplifying installation and restoring the vehicle’s cooling efficiency.

Common Applications and Issues Addressed

  • Replacement for leaking or damaged radiator in INFINITI Pathfinder and Nissan QX4
  • Solves engine overheating caused by radiator failure
  • Addresses coolant leaks impacting engine performance
  • Restores proper coolant circulation and temperature regulation
  • Prevents potential engine damage due to inadequate cooling

Installation Notes and Tips

  • Ensure vehicle compatibility by confirming make and model before installation
  • Drain coolant completely before removing the old radiator
  • Inspect hoses and clamps for wear and replace if necessary
  • Follow manufacturer torque specifications for mounting hardware
  • Refill with appropriate coolant and bleed the system to remove air pockets

Quality Assurance and Warranty

The Universal Air Downflow Radiator RA2459C is manufactured under strict quality control standards to ensure reliable performance. While specific warranty details are not provided, Universal Air products typically adhere to industry standards for durability and fitment. It is recommended to verify warranty coverage with the distributor or installer at the time of purchase.

This part fits 8 vehicles. Search below:

YearMakeModelPositionNotes
2004NissanPathfinderN/ADownflow Radiator
2003INFINITIQX4N/ADownflow Radiator
2003NissanPathfinderN/ADownflow Radiator
2002INFINITIQX4N/ADownflow Radiator
2002NissanPathfinderN/ADownflow Radiator
2001INFINITIQX4N/ADownflow Radiator
2001NissanPathfinderN/ADownflow Radiator
2000INFINITIQX4N/AFrom 01/02/2000; Downflow Radiator

* 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:

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