Universal Air
Downflow Radiator

Universal Air RA13631C Radiator

Brand Universal Air RA13631C
Product line Downflow Radiator
Fits INFINITI · 19 vehicles

Downflow design. Promotes efficient coolant flow through the radiator.

Radiator for cooling-system heat transfer.

$252.03Free shipping
In stock · usually ships same day before 1pm CST
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Step 2 — Quantity
Order total $252.03
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Free returns within 60 days if it doesn't fit when fitment is verified.

Universal Air RA13631C Downflow Radiator

The Universal Air RA13631C is a downflow radiator for select high-output Infiniti applications. It is built for direct replacement use in the cooling system and is listed for specific Q50 and Q60 fitments.

Key Features

  • Downflow radiator design
  • Fits 2016-2020 INFINITI Q50, N/A, with High Output
  • Fits 2017-2018 INFINITI Q60, N/A, with High Output
  • Part number: RA13631C
  • Brand line: Universal Air Downflow Radiator

Product Details

Universal Air RA13631C is part of the Downflow Radiator line and is cataloged for high-output Infiniti cooling-system applications. If you are searching for a radiator for 2016-2020 INFINITI Q50 with High Output or a radiator for 2017-2018 INFINITI Q60 with High Output, this part number provides a fitment-specific replacement option. The RA13631C is identified as a downflow radiator, which is the key configuration detail for matching the original cooling layout.

Common Issues This Part May Address

  • Leaking radiator tanks or core
  • Restricted coolant flow from an aging radiator
  • Overheating caused by radiator deterioration
  • Cooling-system service needs on high-output Infiniti models

Installation Notes

Verify the vehicle’s cooling-system configuration before ordering, especially the High Output application and downflow layout. Confirm the year, model, and radiator orientation against the existing unit and vehicle build information. After installation, refill and bleed the cooling system according to factory service procedures.

Quality Assurance

Universal Air catalogs this radiator under its Downflow Radiator product line for application-specific replacement use. Part number RA13631C should be matched to the listed Infiniti fitments before installation.

This part fits 19 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelLitersCylindersFuel TypeNotes
2020INFINITIQ50Luxe3.0LV6GASwith High Output; Downflow Radiator
2020INFINITIQ50Pure3.0LV6GASwith High Output; Downflow Radiator
2019INFINITIQ50400 Sport3.0LV6GASwith High Output; Downflow Radiator
2019INFINITIQ50Luxe3.0LV6GASwith High Output; Downflow Radiator
2019INFINITIQ50Sport3.0LV6GASwith High Output; Downflow Radiator
2019INFINITIQ50Red Sport 4003.0LV6GASwith High Output; Downflow Radiator
2018INFINITIQ50Sport3.0LV6GASwith High Output; Downflow Radiator
2018INFINITIQ50400 Sport3.0LV6GASwith High Output; Downflow Radiator
2018INFINITIQ60Luxe3.0LV6—with High Output; Downflow Radiator
2018INFINITIQ60Red Sport 4003.0LV6—with High Output; Downflow Radiator
2018INFINITIQ60Sport3.0LV6—with High Output; Downflow Radiator
2018INFINITIQ60400 Sport3.0LV6—with High Output; Downflow Radiator
2017INFINITIQ50Sport3.0LV6GASwith High Output; Downflow Radiator
2017INFINITIQ50Premium3.0LV6GASwith High Output; Downflow Radiator
2017INFINITIQ60400 Sport3.0LV6—with High Output; Downflow Radiator
2017INFINITIQ60Sport3.0LV6—with High Output; Downflow Radiator
2016INFINITIQ50Premium3.0LV6GASwith High Output; Downflow Radiator
2016INFINITIQ50Red Sport 4003.0LV6GASwith High Output; Downflow Radiator
2016INFINITIQ50Sport3.0LV6GASwith High Output; Downflow Radiator