HomeDenso 221-9317 Radiator
Part #: 221-9317

Denso 221-9317 Radiator

4 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Lexus, GS450h
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Overview of the Denso Radiator for Lexus GS450h

The Denso 221-9317 radiator is designed specifically for the Lexus GS450h, providing reliable cooling performance. This radiator includes a transmission oil cooler, making it a comprehensive cooling solution for your hybrid vehicle.

  • Core Height: 16.73 inches
  • Core Width: 28.97 inches
  • Core Thickness: 0.63 inches
  • Inlet Diameter: 1.5 inches
  • Outlet Diameter: 1.5 inches
  • Transmission Oil Cooler Included

Detailed Radiator Specifications

The Denso 221-9317 radiator features a core measuring 16.73 inches in height, 28.97 inches in width, and 0.63 inches in thickness. These dimensions ensure optimal heat dissipation for the Lexus GS450h engine. Both the inlet and outlet diameters are 1.5 inches, compatible with the vehicle’s cooling system hoses. The integrated transmission oil cooler supports the hybrid transmission system by maintaining proper fluid temperature, which is critical for performance and longevity.

Compatible Vehicles and Applications

This radiator is compatible with the Lexus GS450h model, engineered to meet the specific cooling requirements of this hybrid sedan. It is suitable for addressing common cooling system issues such as:

  • Engine overheating due to radiator core damage or clogging
  • Transmission fluid overheating affecting hybrid system performance
  • Leaks from worn or damaged radiator cores
  • Reduced cooling efficiency from corrosion or buildup
  • Inadequate heat exchange causing engine temperature fluctuations

Installation Notes and Tips

When installing the Denso 221-9317 radiator on a Lexus GS450h, ensure all hose connections match the 1.5-inch inlet and outlet diameters. Properly flush the cooling system before installation to prevent contamination. Verify the transmission oil cooler lines are securely connected to avoid leaks. It is recommended to inspect all related components such as hoses and clamps during installation for optimal system performance.

Quality Assurance and Warranty

Denso radiators are manufactured to meet OEM specifications, ensuring durability and reliable performance. The 221-9317 radiator undergoes rigorous quality control to maintain consistent standards. Warranty coverage details should be confirmed at the point of purchase, typically including protection against manufacturing defects.

BrandDenso
Part Number221-9317
Core Height16.7300
Core Thickness0.6300
Core Width28.9700
Inlet Diameter1.5000
Outlet Diameter1.5000
Transmission Oil Cooler IncludedYES

This part fits 4 vehicles. Search below:

YearMakeModelPositionNotes
2016LexusGS450hN/A
2015LexusGS450hN/A
2014LexusGS450hN/A
2013LexusGS450hN/A

* 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:

8013340

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