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Onix OR2343 Radiator
Radiator for Select GM Applications
Onix OR2343 is a drop-in-fit radiator built for select Buick, Chevrolet, and Pontiac applications that use a 5/8 in. thick core. It is engineered for direct replacement service in vehicles such as the Buick Century, Buick Regal, Chevrolet Impala, and Chevrolet Monte Carlo.
Key Features
- Direct replacement radiator for select GM passenger cars
- Drop-in-fit design for straightforward service replacement
- 5/8 in. thick core specification for the listed applications
- Built with premium-grade components for dependable cooling performance
- Onix part number OR2343 for catalog and fitment lookup
Detailed Description
Onix OR2343 is a replacement radiator designed for vehicles that require the specified 5/8 in. thick core configuration. It is listed for 2000-2005 Buick Century, 2000-2004 Buick Regal, 2000-2003 Chevrolet Impala, and 2000-2003 Chevrolet Monte Carlo. For buyers searching for a radiator for 2000-2005 Buick Century or a replacement radiator for 2000-2003 Chevrolet Impala, OR2343 provides a direct-fit service option from Onix. The Onix radiator line is built around engineered components selected to support longer service life and consistent cooling system performance.
What It Helps Address
- Coolant leaks from a damaged or corroded radiator
- Overheating caused by restricted or inefficient heat transfer
- Cooling system performance loss from age-related wear
- Replacement needs after impact damage or tank failure
- Service issues on vehicles requiring a 5/8 in. thick core radiator
Installation Notes and Tips
Verify the vehicle’s year, make, model, and core thickness before ordering. Confirm that the existing cooling system matches the listed 5/8 in. thick core application for OR2343. Inspect hoses, clamps, and coolant condition during radiator replacement, and flush the system if contamination or debris is present. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.
Quality Assurance
Onix positions this radiator line as a value-focused replacement program with premium-quality construction and engineered components intended to deliver dependable service in the listed applications.
This part fits 19 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2005 | Buick | Century | 3.1L | V6 | N/A | w/ 5/8 in. Thick Core; |
| 2004 | Buick | Century | 3.1L | V6 | N/A | w/ 5/8 in. Thick Core; |
| 2004 | Buick | Regal | 3.8L | V6 | N/A | w/ 5/8 in. Thick Core; |
| 2003 | Buick | Century | 3.1L | V6 | N/A | w/ 5/8 in. Thick Core; |
| 2003 | Buick | Regal | 3.8L | V6 | N/A | w/ 5/8 in. Thick Core; |
| 2003 | Chevrolet | Impala | 3.4L | V6 | N/A | w/ 5/8 in. Thick Core; |
| 2003 | Chevrolet | Monte Carlo | 3.4L | V6 | N/A | w/ 5/8 in. Thick Core; |
| 2002 | Buick | Century | 3.1L | V6 | N/A | w/ 5/8 in. Thick Core; |
| 2002 | Buick | Regal | 3.8L | V6 | N/A | w/ 5/8 in. Thick Core; |
| 2002 | Chevrolet | Impala | 3.4L | V6 | N/A | w/ 5/8 in. Thick Core; |
| 2002 | Chevrolet | Monte Carlo | 3.4L | V6 | N/A | w/ 5/8 in. Thick Core; |
| 2001 | Buick | Century | 3.1L | V6 | N/A | w/ 5/8 in. Thick Core; |
| 2001 | Buick | Regal | 3.8L | V6 | N/A | w/ 5/8 in. Thick Core; |
| 2001 | Chevrolet | Impala | 3.4L | V6 | N/A | w/ 5/8 in. Thick Core; |
| 2001 | Chevrolet | Monte Carlo | 3.4L | V6 | N/A | w/ 5/8 in. Thick Core; |
| 2000 | Buick | Century | 3.1L | V6 | N/A | w/ 5/8 in. Thick Core; |
| 2000 | Buick | Regal | 3.8L | V6 | N/A | w/ 5/8 in. Thick Core; |
| 2000 | Chevrolet | Impala | 3.4L | V6 | N/A | w/ 5/8 in. Thick Core; |
| 2000 | Chevrolet | Monte Carlo | 3.4L | V6 | N/A | w/ 5/8 in. Thick Core; |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.