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Spectra CU2351 Radiator
Spectra CU2351 Radiator for Regal and Impala
The Spectra CU2351 radiator is built for OE-level durability and thermal performance in select GM applications. It is a direct-fit cooling system replacement for drivers needing a radiator for 2000-2004 Buick Regal or 2000-2002 Chevrolet Impala with the specified configuration.
- OE-style radiator construction for dependable cooling performance
- Fits 2000-2004 Buick Regal, with 1 in. thick core; without sensor; radiator cap required
- Fits 2000-2002 Chevrolet Impala, with 1 in. thick core; without sensor; radiator cap required
- Part number CU2351 for easy catalog matching
- Cross-reference: Spectra Premium CU2351
Detailed Product Overview
Designed to meet the durability expectations associated with original equipment, this radiator supports proper engine temperature control in Buick Regal and Chevrolet Impala models that use the 1 in. thick core configuration. The Spectra CU2351 is a practical replacement choice when the original radiator is leaking, restricted, or no longer maintaining stable coolant flow. This part number is also commonly searched as CU2351 radiator for Buick Regal and CU2351 radiator for Chevrolet Impala.
Common Problems This Radiator Addresses
- Coolant leaks from a damaged or corroded radiator tank or core
- Overheating caused by reduced heat transfer
- Temperature fluctuation from internal blockage or restricted flow
- Cooling system service needs after radiator failure
- Replacement for a worn radiator on Buick Regal or Chevrolet Impala applications
Installation Notes and Tips
Verify the vehicle uses the 1 in. thick core configuration before ordering. This application requires a radiator cap and is specified without a sensor. Confirm hose routing, mounting points, and coolant system condition during installation, and inspect related components such as hoses, clamps, and the thermostat before refilling and bleeding the system.
Quality Assurance
Spectra Premium radiators are engineered to follow OE durability expectations for long-term cooling system service. Part number CU2351 is intended for direct replacement in the listed Buick Regal and Chevrolet Impala applications.
This part fits 9 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2004 | Buick | Regal | 3.8L | V6 | N/A | w/ 1 in. Thick Core; w/o Sensor; Radiator Cap Is Required |
| 2003 | Buick | Regal | 3.8L | V6 | N/A | w/ 1 in. Thick Core; w/o Sensor; Radiator Cap Is Required |
| 2002 | Buick | Regal | 3.8L | V6 | N/A | w/ 1 in. Thick Core; w/o Sensor; Radiator Cap Is Required |
| 2002 | Chevrolet | Impala | 3.8L | V6 | N/A | w/ 1 in. Thick Core; w/o Sensor; Radiator Cap Is Required |
| 2001 | Buick | Regal | 3.8L | V6 | N/A | w/ 1 in. Thick Core; w/o Sensor; Radiator Cap Is Required |
| 2001 | Chevrolet | Impala | 3.8L | V6 | N/A | w/ 1 in. Thick Core; w/o Sensor; Radiator Cap Is Required |
| 2001 | Chevrolet | Impala | 3.4L | V6 | N/A | w/ 1 in. Thick Core; w/o Sensor; Radiator Cap Is Required |
| 2000 | Buick | Regal | 3.8L | V6 | N/A | w/ 1 in. Thick Core; w/o Sensor; Radiator Cap Is Required |
| 2000 | Chevrolet | Impala | 3.8L | V6 | N/A | w/ 1 in. Thick Core; w/o Sensor; Radiator Cap Is Required |
* 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.