/live/media/NP/NP_2219603_Fro.jpg)
Denso 221-9603 Radiator
| Brand | Denso 221-9603 |
|---|---|
| Core Height | 22.1250 |
| Core Thickness | 1.0625 |
| Core Width | 23.5000 |
| Transmission Oil Cooler Included | Yes |
| Inlet Diameter | 1.3125 |
| Outlet Diameter | 1.3125 |
| Fits | Cadillac and GMC · 6 vehicles |
OE experience. Built with OE-level know-how for reliable fit and performance.
Engine cooling essential. Helps maintain proper cooling and dependable engine function.
Transmission oil cooler included. Adds integrated cooling support in one radiator assembly.
Cross-references APDI 8013613, Cadillac 23138762 and CSF 3817 for the same application. See all 8.
Denso Radiator for XT5 and Acadia
The Denso 221-9603 radiator is built for direct-fit cooling performance in select Cadillac XT5 and GMC Acadia applications. It combines OE-style dimensions with a transmission oil cooler included, helping support stable engine temperatures and dependable heat exchange.
Key Features
- OE-style radiator construction from Denso
- Core height: 22.1250 in.
- Core width: 23.5000 in.
- Core thickness: 1.0625 in.
- Inlet diameter: 1.3125 in.
- Outlet diameter: 1.3125 in.
- Transmission oil cooler included
Detailed Product Overview
Denso part number 221-9603 is engineered to match OE radiator configuration, tank design, fin pitch, core dimensions, and materials used in factory cooling systems. Denso applies OE supplier experience and durability testing to help ensure consistent fitment and reliable heat transfer under demanding driving conditions. This radiator is a direct replacement choice for 2017-2019 Cadillac XT5 and 2017-2019 GMC Acadia models, making it a practical option when replacing a leaking, clogged, or damaged cooling unit. The 221-9603 radiator also cross-references Cadillac 23138762 for the same application.
What This Radiator Helps Address
- Engine overheating caused by restricted coolant flow
- Coolant leaks from a cracked or corroded radiator
- Transmission temperature concerns tied to radiator-integrated cooling
- Reduced cooling efficiency from damaged fins or internal blockage
- Fitment issues when replacing an OE-style radiator on XT5 or Acadia models
Installation Notes and Tips
Verify core dimensions, inlet and outlet size, and transmission cooler routing before installation. Flush the cooling system, inspect hoses and clamps, and confirm all connections are clean and free of debris. For 2017-2019 Cadillac XT5 and 2017-2019 GMC Acadia applications, compare the original radiator layout to the Denso 221-9603 before final assembly.
Quality Assurance
Denso supplies radiators to OE vehicle manufacturers worldwide, and this radiator is built to meet rigid OE standards for configuration, materials, and function. Each unit is subjected to durability and performance testing to support dependable cooling performance.
| Year | Make | Model | Notes |
|---|---|---|---|
| 2019 | Cadillac | XT5 | — |
| 2019 | GMC | Acadia | — |
| 2018 | Cadillac | XT5 | — |
| 2018 | GMC | Acadia | — |
| 2017 | Cadillac | XT5 | — |
| 2017 | GMC | Acadia | — |
| No rows match your filter. | |||