Denso 221-9393 Radiator

Denso 221-9393 Radiator for Cadillac XLR

The Denso 221-9393 radiator is built for 2004-2009 Cadillac XLR applications that require OE-style cooling performance and precise fitment. It includes an integrated transmission oil cooler and matches key dimensions for a direct replacement installation.

Key Features

• Fits 2004-2009 Cadillac XLR
• Part number: 221-9393
• Core height: 23.4300
• Core width: 18.5000
• Core thickness: 0.9800
• Inlet diameter: 1.3130
• Outlet diameter: 1.3200
• Transmission oil cooler included

Detailed Description

Denso radiators are engineered from OE supplier experience, with radiator configurations, tank design, fin pitch, core dimensions, and materials selected to meet original manufacturer standards. For Cadillac XLR owners searching for a radiator replacement that aligns with factory cooling requirements, the 221-9393 provides the dimensions and cooling layout needed for dependable engine temperature control. This part number 221-9393 is also cross-referenced with ACDelco 21633 and Spectra Premium CU2715 for the same application.

Common Cooling Issues This Radiator Can Address

• Overheating caused by a leaking or restricted radiator
• Coolant loss from cracked tanks or damaged core passages
• Poor heat transfer from an aging factory radiator
• Transmission fluid temperature concerns when the cooler circuit is part of the radiator
• Fitment problems from using the wrong Cadillac XLR radiator

Installation Notes and Tips

Verify inlet and outlet hose sizes before installation and confirm the radiator matches your Cadillac XLR cooling system layout. Inspect hoses, clamps, and coolant condition during replacement, and flush the system if contamination or debris is present. The integrated transmission oil cooler should be connected according to the vehicle’s factory routing.

Quality Assurance

Denso subjects its radiators to durability and function testing to help ensure consistent performance under demanding driving conditions. The 221-9393 is built to OE-level standards for fitment and cooling reliability on 2004-2009 Cadillac XLR models.