Part #: 221-9164

Denso 221-9164 Radiator

2 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Cadillac, CTS
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Overview of the Denso Radiator for Cadillac CTS

The Denso 221-9164 radiator is engineered specifically for Cadillac CTS models, providing reliable cooling performance. Designed with precise core dimensions and integrated transmission oil cooler, this radiator supports optimal engine temperature management.

Key Features of Denso Radiator 221-9164

  • Core Height: 16.7323 inches
  • Core Width: 25.9055 inches
  • Core Thickness: 1.0236 inches
  • Transmission Oil Cooler Included for enhanced cooling
  • Inlet Diameter: 1.3780 inches
  • Outlet Diameter: 1.3780 inches

Detailed Description and Specifications

This Denso radiator, part number 221-9164, is designed to meet the cooling demands of Cadillac CTS vehicles. The core dimensions—16.7323 inches in height, 25.9055 inches in width, and 1.0236 inches in thickness—ensure efficient heat dissipation. The inclusion of a transmission oil cooler supports the vehicle’s transmission system by maintaining proper fluid temperature, which is critical for transmission longevity and performance. Both the inlet and outlet diameters measure 1.3780 inches, matching OEM specifications for seamless integration.

Applications and Problem Solving

  • Replaces faulty or leaking radiators in Cadillac CTS models
  • Addresses engine overheating issues caused by inefficient cooling
  • Resolves transmission fluid overheating with integrated oil cooler
  • Prevents coolant leaks due to corrosion or physical damage
  • Supports restoration of proper coolant flow and pressure

Installation Notes and Tips

  • Ensure compatibility with Cadillac CTS before installation
  • Drain coolant and transmission fluid prior to removal
  • Inspect hoses and clamps for wear and replace if necessary
  • Bleed the cooling system after installation to remove air pockets
  • Check for leaks and proper fluid levels post-installation

Quality Assurance and Warranty Information

Denso radiators are manufactured to meet strict quality standards, ensuring durability and performance. The 221-9164 radiator undergoes rigorous testing to comply with OEM specifications. Warranty coverage details should be confirmed with the original equipment manufacturer or authorized distributor.

BrandDenso
Part Number221-9164
Core Height16.7323
Core Thickness1.0236
Core Width25.9055
Inlet Diameter1.3780
Outlet Diameter1.3780
Transmission Oil Cooler IncludedYES

This part fits 2 vehicles. Search below:

YearMakeModelPositionNotes
2004CadillacCTSN/A
2003CadillacCTSN/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:

2145525750930

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