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Denso 221-9009 Radiator
| Brand | Denso 221-9009 |
|---|---|
| Core Height | 15.0780 |
| Core Thickness | 0.6290 |
| Core Width | 30.5110 |
| Inlet Diameter | 1.3380 |
| Outlet Diameter | 1.3380 |
| Transmission Oil Cooler Included | YES |
| Fits | Buick and Chevrolet · 22 vehicles |
OE experience. Built with OE-level know-how for reliable performance and fitment.
Transmission oil cooler included. Integrated cooling support helps simplify the replacement.
Radiator performance. Essential for proper engine cooling and function.
Cross-references ACDelco 21560, APDI 8012343 and Buick 89018542 for the same application. See all 8.
Denso 221-9009 Radiator Overview
The Denso 221-9009 radiator is built for OE-style cooling performance and precise fitment on select Buick and Chevrolet applications. It is engineered to match factory radiator dimensions and cooling requirements for dependable engine temperature control.
- Core height: 15.0780
- Core width: 30.5110
- Core thickness: 0.6290
- Inlet diameter: 1.3380
- Outlet diameter: 1.3380
- Transmission oil cooler included
OE-Style Cooling Construction
Denso radiators are developed from OE supplier experience, with configurations, tank design, fin pitch, core dimensions, and materials selected to meet original manufacturer standards. The 221-9009 radiator is built to support consistent heat transfer and reliable cooling performance under daily driving and demanding operating conditions. This part cross-references Spectra Premium CU2343 for the same application.
Vehicle Fitment
- Fits 2000-2005 Buick Century, N/A
- Fits 2000-2003 Buick Regal, N/A
- Fits 2000-2003 Chevrolet Impala, N/A
- Fits 2001-2003 Chevrolet Impala, N/A, w/o Heavy Duty Cooling
- Fits 2000-2003 Chevrolet Monte Carlo, N/A
- Fits 2003 Chevrolet Monte Carlo, N/A, w/o Heavy Duty Cooling
Common Cooling Issues This Radiator Addresses
- Overheating caused by reduced radiator efficiency
- Coolant temperature instability during stop-and-go driving
- Leaks from an aging or damaged radiator core or tanks
- Poor heat rejection from clogged or worn cooling passages
- Transmission cooling concerns when the factory cooler circuit is part of the system
Installation Notes and Tips
Verify inlet and outlet hose diameters, core dimensions, and transmission cooler connections before installation. Flush the cooling system, inspect hoses and clamps, and confirm the vehicle is not equipped with heavy duty cooling when matching the listed Impala and Monte Carlo applications. Use the exact vehicle year and engine/cooling configuration to confirm fitment for Buick Century, Buick Regal, Chevrolet Impala, and Chevrolet Monte Carlo applications.
Quality Assurance
Denso states that its radiators are built to OE standards and undergo durability and function testing before release. The result is a radiator designed for dependable fitment and consistent cooling performance in the 2000-2005 Buick Century, 2000-2003 Buick Regal, and select Chevrolet Impala and Monte Carlo applications.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2005 | Buick | Century | N/A | — |
| 2004 | Buick | Century | N/A | — |
| 2003 | Buick | Century | N/A | — |
| 2003 | Buick | Regal | N/A | — |
| 2003 | Chevrolet | Impala | N/A | w/o Heavy Duty Cooling |
| 2003 | Chevrolet | Impala | N/A | — |
| 2003 | Chevrolet | Monte Carlo | N/A | w/o Heavy Duty Cooling |
| 2003 | Chevrolet | Monte Carlo | N/A | — |
| 2002 | Buick | Century | N/A | — |
| 2002 | Buick | Regal | N/A | — |
| 2002 | Chevrolet | Impala | N/A | w/o Heavy Duty Cooling |
| 2002 | Chevrolet | Impala | N/A | — |
| 2002 | Chevrolet | Monte Carlo | N/A | — |
| 2001 | Buick | Century | N/A | — |
| 2001 | Buick | Regal | N/A | — |
| 2001 | Chevrolet | Impala | N/A | w/o Heavy Duty Cooling |
| 2001 | Chevrolet | Impala | N/A | — |
| 2001 | Chevrolet | Monte Carlo | N/A | — |
| 2000 | Buick | Century | N/A | — |
| 2000 | Buick | Regal | N/A | — |
| 2000 | Chevrolet | Impala | N/A | — |
| 2000 | Chevrolet | Monte Carlo | N/A | — |
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