Part #: 221-9394

Denso 221-9394 Radiator

⚙️ 4 vehicles fit this part
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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 221-9394 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.

  • Core Height: 16.73 inches
  • Core Width: 26.85 inches
  • Core Thickness: 0.98 inches
  • Transmission Oil Cooler Included
  • Inlet Diameter: 1.375 inches
  • Outlet Diameter: 1.36 inches

Detailed Radiator Specifications and Features

This Denso radiator (part number 221-9394) features a core designed to fit the Cadillac CTS with exacting measurements to ensure proper fit and function. The core height of 16.73 inches and width of 26.85 inches provide sufficient surface area for heat dissipation. The 0.98-inch core thickness balances cooling efficiency with durability. Additionally, the radiator includes a built-in transmission oil cooler, which helps maintain transmission fluid temperature, enhancing transmission longevity and performance. The inlet and outlet diameters of 1.375 inches and 1.36 inches respectively are designed to match factory hose connections for straightforward installation.

Compatible Vehicles and Applications

This radiator is compatible with the Cadillac CTS, making it a direct replacement for the original equipment radiator. It is suitable for addressing cooling system issues such as:

  • Engine overheating due to radiator core damage or clogging
  • Transmission fluid overheating caused by a faulty transmission oil cooler
  • Leaks or cracks in the radiator core or tanks
  • Reduced cooling efficiency from corrosion or sediment buildup
  • Physical damage from road debris or accidents

Installation Notes and Tips

When installing the Denso 221-9394 radiator on a Cadillac CTS, ensure all hose connections match the specified inlet and outlet diameters for a secure fit. Drain all coolant and transmission fluid before removal to prevent spills. Inspect and replace any worn hoses or clamps during installation. Properly bleed the cooling system after installation to avoid air pockets that can cause overheating. It is recommended to verify compatibility with the vehicle’s model year and engine configuration prior to installation.

Quality Assurance and Warranty Information

Denso radiators are manufactured to meet or exceed OEM standards for fit, form, and function. The 221-9394 radiator undergoes rigorous quality control to ensure durability and reliable performance in Cadillac CTS vehicles. While specific warranty details may vary, Denso typically offers a limited warranty covering defects in materials and workmanship. Consult product documentation or authorized sources for exact warranty terms.

BrandDenso
Part Number221-9394
Core Height16.7300
Core Thickness0.9800
Core Width26.8500
Inlet Diameter1.3750
Outlet Diameter1.3600
Transmission Oil Cooler IncludedYES

This part fits 4 vehicles. Search below:

YearMakeModelTransmissionPositionNotes
2007CadillacCTSAutomaticN/A
2006CadillacCTSAutomaticN/A
2005CadillacCTSAutomaticN/A
2004CadillacCTSN/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:

1925862721512

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