Denso 221-9017 Radiator

Denso 221-9017 Radiator for Chevrolet HHR

The Denso 221-9017 radiator is built for 2006-2011 Chevrolet HHR applications and follows OE-style dimensions for proper cooling system fitment. With an integrated transmission oil cooler, it supports vehicles that route automatic transmission fluid through the radiator for heat exchange.

Key Features

• Core height: 16.5740
• Core width: 21.5740
• Core thickness: 0.8660
• Inlet diameter: 1.3380
• Outlet diameter: 1.3380
• Transmission oil cooler included
• Built to Denso OE standards for configuration, materials, and fitment

Detailed Description

Denso radiator part number 221-9017 is engineered for the Chevrolet HHR with dimensions and construction that align with OE requirements. Denso supplies radiators to vehicle manufacturers worldwide, and this radiator reflects that OE-focused experience through its core sizing, tank configuration, fin pitch, and material selection. The result is a direct-fit cooling component for 2006-2011 Chevrolet HHR models that need dependable engine temperature control and transmission fluid cooling in one assembly.

This part cross-references Spectra Premium CU2850 for the same application.

What This Radiator Helps Address

• Overheating caused by a failing or restricted radiator
• Coolant leaks from cracked tanks or worn core seams
• Reduced cooling efficiency from damaged fins or internal blockage
• Automatic transmission heat buildup when the radiator cooler circuit is compromised
• Fitment issues from using a radiator with incorrect inlet, outlet, or core dimensions

Installation Notes and Tips

Verify the inlet and outlet sizes, core dimensions, and transmission cooler routing before installation. Flush the cooling system, inspect hoses and clamps, and confirm the radiator mounts and fan shroud alignment match the vehicle before final assembly. For 2006-2011 Chevrolet HHR, position and connection points should be checked against the removed unit to ensure proper installation.

Quality Assurance

Denso states that its radiators are tested for durability and function before release. Part number 221-9017 is manufactured to meet OE-style standards for performance, reliability, and fitment on Chevrolet HHR cooling system applications.