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Nissens 646321 Radiator
Reliable Aluminum Radiator for Toyota Corolla and Matrix
The Nissens 646321 radiator is designed to provide efficient cooling performance for Toyota Corolla and Matrix models. Constructed from durable aluminum, this radiator ensures effective heat dissipation to maintain optimal engine temperature.
- Material: High-quality aluminum for enhanced heat transfer and corrosion resistance
- Core Height: 13.8976 inches for adequate cooling surface area
- Core Width: 23.6220 inches to fit specific Toyota Corolla and Matrix configurations
- Core Length: 0.6299 inches, optimized for proper coolant flow
- Compatible with Toyota Corolla and Matrix models requiring part number 646321
Detailed Product Description
The Nissens 646321 radiator features a robust aluminum construction that supports efficient engine cooling by maximizing heat exchange. Its core dimensions—13.8976 inches in height, 23.6220 inches in width, and 0.6299 inches in length—are engineered to match the cooling system requirements of select Toyota Corolla and Matrix vehicles. This radiator is designed to replace the original equipment part, ensuring proper fitment and reliable performance under normal operating conditions.
Common Applications and Problem Resolution
- Replaces damaged or leaking radiators in Toyota Corolla and Matrix models
- Addresses engine overheating issues caused by inefficient cooling
- Restores proper coolant circulation and heat dissipation
- Prevents coolant leaks that can lead to engine damage
- Supports vehicle performance by maintaining stable engine temperatures
Installation Notes and Tips
When installing the Nissens 646321 radiator, ensure the vehicle is cooled down before removal of the old radiator. Verify compatibility with your specific Toyota Corolla or Matrix model year. Properly secure all mounting points and reconnect hoses to prevent leaks. It is recommended to flush the cooling system and replace coolant during installation to maintain system integrity.
Quality Assurance and Warranty
Nissens radiators are manufactured to meet OEM standards for fit and function. The aluminum construction provides durability and resistance to corrosion. While specific warranty details are not provided here, Nissens products typically come with a limited warranty covering manufacturing defects. Consult the product documentation or supplier for exact warranty terms.
| Brand | Nissens |
| Part Number | 646321 |
| Material | Aluminum |
| Core Height | 13.8976 |
| Core Width | 23.6220 |
| Core Length | 0.6299 |
This part fits 81 vehicles. Search below:
| Year | Make | Model | Submodel | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 2008 | Toyota | Corolla | CE | 1.8L | L4 | GAS | N/A | Japan Built Vehicle |
| 2008 | Toyota | Corolla | S | 1.8L | L4 | GAS | N/A | Japan Built Vehicle |
| 2008 | Toyota | Corolla | CE | 1.8L | L4 | GAS | N/A | Exc.Japan Built Vehicle (Manual Trans) |
| 2008 | Toyota | Corolla | CE | 1.8L | L4 | GAS | N/A | Exc.Japan Built Vehicle (Auto Trans) |
| 2008 | Toyota | Corolla | S | 1.8L | L4 | GAS | N/A | Exc.Japan Built Vehicle (Manual Trans) |
| 2008 | Toyota | Corolla | S | 1.8L | L4 | GAS | N/A | Exc.Japan Built Vehicle (Auto Trans) |
| 2008 | Toyota | Corolla | LE | 1.8L | L4 | GAS | N/A | Japan Built Vehicle |
| 2008 | Toyota | Corolla | LE | 1.8L | L4 | GAS | N/A | Exc.Japan Built Vehicle (Manual Trans) |
| 2008 | Toyota | Corolla | LE | 1.8L | L4 | GAS | N/A | Exc.Japan Built Vehicle (Auto Trans) |
| 2008 | Toyota | Matrix | XR | 1.8L | L4 | GAS | N/A | Manual Trans |
| 2008 | Toyota | Matrix | Base | 1.8L | L4 | GAS | N/A | Manual Trans |
| 2007 | Toyota | Corolla | S | 1.8L | L4 | GAS | N/A | Exc.Japan Built Vehicle (Auto Trans) |
| 2007 | Toyota | Corolla | S | 1.8L | L4 | GAS | N/A | Japan Built Vehicle |
| 2007 | Toyota | Corolla | S | 1.8L | L4 | GAS | N/A | Exc.Japan Built Vehicle (Manual Trans) |
| 2007 | Toyota | Corolla | CE | 1.8L | L4 | GAS | N/A | Exc.Japan Built Vehicle (Manual Trans) |
| 2007 | Toyota | Corolla | CE | 1.8L | L4 | GAS | N/A | Exc.Japan Built Vehicle (Auto Trans) |
| 2007 | Toyota | Corolla | CE | 1.8L | L4 | GAS | N/A | Japan Built Vehicle |
| 2007 | Toyota | Corolla | LE | 1.8L | L4 | GAS | N/A | Japan Built Vehicle |
| 2007 | Toyota | Corolla | LE | 1.8L | L4 | GAS | N/A | Exc.Japan Built Vehicle (Manual Trans) |
| 2007 | Toyota | Corolla | LE | 1.8L | L4 | GAS | N/A | Exc.Japan Built Vehicle (Auto Trans) |
| 2007 | Toyota | Matrix | XR | 1.8L | L4 | GAS | N/A | Manual Trans |
| 2007 | Toyota | Matrix | Base | 1.8L | L4 | GAS | N/A | Manual Trans |
| 2006 | Toyota | Corolla | S | 1.8L | L4 | GAS | N/A | Japan Built Vehicle |
| 2006 | Toyota | Corolla | S | 1.8L | L4 | GAS | N/A | Exc.Japan Built Vehicle (Manual Trans) |
| 2006 | Toyota | Corolla | LE | 1.8L | L4 | GAS | N/A | Exc.Japan Built Vehicle (Manual Trans) |
| 2006 | Toyota | Corolla | CE | 1.8L | L4 | GAS | N/A | Exc.Japan Built Vehicle (Manual Trans) |
| 2006 | Toyota | Corolla | CE | 1.8L | L4 | GAS | N/A | Exc.Japan Built Vehicle (Auto Trans) |
| 2006 | Toyota | Corolla | XRS | 1.8L | L4 | GAS | N/A | |
| 2006 | Toyota | Corolla | LE | 1.8L | L4 | GAS | N/A | Exc.Japan Built Vehicle (Auto Trans) |
| 2006 | Toyota | Corolla | LE | 1.8L | L4 | GAS | N/A | Japan Built Vehicle |
| 2006 | Toyota | Corolla | CE | 1.8L | L4 | GAS | N/A | Japan Built Vehicle |
| 2006 | Toyota | Corolla | S | 1.8L | L4 | GAS | N/A | Exc.Japan Built Vehicle (Auto Trans) |
| 2006 | Toyota | Matrix | XR | 1.8L | L4 | GAS | N/A | FWD (Manual Trans) |
| 2006 | Toyota | Matrix | XRS | 1.8L | L4 | GAS | N/A | |
| 2006 | Toyota | Matrix | Base | 1.8L | L4 | GAS | N/A | FWD (Manual Trans) |
| 2005 | Toyota | Corolla | LE | 1.8L | L4 | GAS | N/A | Exc.Japan Built Vehicle (Auto Trans) |
| 2005 | Toyota | Corolla | S | 1.8L | L4 | GAS | N/A | Japan Built Vehicle |
| 2005 | Toyota | Corolla | S | 1.8L | L4 | GAS | N/A | Exc.Japan Built Vehicle (Manual Trans) |
| 2005 | Toyota | Corolla | XRS | 1.8L | L4 | GAS | N/A | |
| 2005 | Toyota | Corolla | CE | 1.8L | L4 | GAS | N/A | Japan Built Vehicle |
| 2005 | Toyota | Corolla | LE | 1.8L | L4 | GAS | N/A | Exc.Japan Built Vehicle (Manual Trans) |
| 2005 | Toyota | Corolla | S | 1.8L | L4 | GAS | N/A | Exc.Japan Built Vehicle (Auto Trans) |
| 2005 | Toyota | Corolla | LE | 1.8L | L4 | GAS | N/A | Japan Built Vehicle |
| 2005 | Toyota | Corolla | CE | 1.8L | L4 | GAS | N/A | Exc.Japan Built Vehicle (Manual Trans) |
| 2005 | Toyota | Corolla | CE | 1.8L | L4 | GAS | N/A | Exc.Japan Built Vehicle (Auto Trans) |
| 2005 | Toyota | Matrix | XRS | 1.8L | L4 | GAS | N/A | |
| 2005 | Toyota | Matrix | XR | 1.8L | L4 | GAS | N/A | FWD (Manual Trans) |
| 2005 | Toyota | Matrix | Base | 1.8L | L4 | GAS | N/A | FWD (Manual Trans) |
| 2004 | Toyota | Corolla | CE | 1.8L | L4 | GAS | N/A | To 05/2004 (Manual Trans) (Exc.Japan Built Vehicle) |
| 2004 | Toyota | Corolla | S | 1.8L | L4 | GAS | N/A | To 05/2004 (Manual Trans) (Japan Built Vehicle) |
| 2004 | Toyota | Corolla | CE | 1.8L | L4 | GAS | N/A | To 05/2004 (Auto Trans) |
| 2004 | Toyota | Corolla | LE | 1.8L | L4 | GAS | N/A | To 05/2004 (Manual Trans) (Exc.Japan Built Vehicle) |
| 2004 | Toyota | Corolla | CE | 1.8L | L4 | GAS | N/A | To 05/2004 (Manual Trans) (Japan Built Vehicle) |
| 2004 | Toyota | Corolla | S | 1.8L | L4 | GAS | N/A | To 05/2004 (Manual Trans) (Exc.Japan Built Vehicle) |
| 2004 | Toyota | Corolla | CE | 1.8L | L4 | GAS | N/A | From 05/2004 (Japan Built Vehicle) |
| 2004 | Toyota | Corolla | LE | 1.8L | L4 | GAS | N/A | To 05/2004 (Manual Trans) (Japan Built Vehicle) |
| 2004 | Toyota | Corolla | CE | 1.8L | L4 | GAS | N/A | From 05/2004 (Exc.Japan Built Vehicle) (Manual Trans) |
| 2004 | Toyota | Corolla | CE | 1.8L | L4 | GAS | N/A | From 05/2004 (Exc.Japan Built Vehicle) (Auto Trans) |
| 2004 | Toyota | Corolla | LE | 1.8L | L4 | GAS | N/A | To 05/2004 (Auto Trans) |
| 2004 | Toyota | Corolla | S | 1.8L | L4 | GAS | N/A | To 05/2004 (Auto Trans) |
| 2004 | Toyota | Corolla | S | 1.8L | L4 | GAS | N/A | From 05/2004 (Japan Built Vehicle) |
| 2004 | Toyota | Corolla | LE | 1.8L | L4 | GAS | N/A | From 05/2004 (Japan Built Vehicle) |
| 2004 | Toyota | Corolla | LE | 1.8L | L4 | GAS | N/A | From 05/2004 (Exc.Japan Built Vehicle) (Manual Trans) |
| 2004 | Toyota | Corolla | LE | 1.8L | L4 | GAS | N/A | From 05/2004 (Exc.Japan Built Vehicle) (Auto Trans) |
| 2004 | Toyota | Corolla | S | 1.8L | L4 | GAS | N/A | From 05/2004 (Exc.Japan Built Vehicle) (Manual Trans) |
| 2004 | Toyota | Corolla | S | 1.8L | L4 | GAS | N/A | From 05/2004 (Exc.Japan Built Vehicle) (Auto Trans) |
| 2004 | Toyota | Matrix | XR | 1.8L | L4 | GAS | N/A | FWD (Manual Trans) |
| 2004 | Toyota | Matrix | XRS | 1.8L | L4 | GAS | N/A | |
| 2004 | Toyota | Matrix | Base | 1.8L | L4 | GAS | N/A | FWD (Manual Trans) |
| 2003 | Toyota | Corolla | CE | 1.8L | L4 | GAS | N/A | Manual Trans (Exc.Japan Built Vehicle) |
| 2003 | Toyota | Corolla | CE | 1.8L | L4 | GAS | N/A | Suitable for vehicles equipped with automatic transmissions. |
| 2003 | Toyota | Corolla | LE | 1.8L | L4 | GAS | N/A | Suitable for vehicles equipped with automatic transmissions. |
| 2003 | Toyota | Corolla | S | 1.8L | L4 | GAS | N/A | Manual Trans (Japan Built Vehicle) |
| 2003 | Toyota | Corolla | CE | 1.8L | L4 | GAS | N/A | Manual Trans (Japan Built Vehicle) |
| 2003 | Toyota | Corolla | LE | 1.8L | L4 | GAS | N/A | Manual Trans (Japan Built Vehicle) |
| 2003 | Toyota | Corolla | LE | 1.8L | L4 | GAS | N/A | Manual Trans (Exc.Japan Built Vehicle) |
| 2003 | Toyota | Corolla | S | 1.8L | L4 | GAS | N/A | Manual Trans (Exc.Japan Built Vehicle) |
| 2003 | Toyota | Corolla | S | 1.8L | L4 | GAS | N/A | Suitable for vehicles equipped with automatic transmissions. |
| 2003 | Toyota | Matrix | XRS | 1.8L | L4 | GAS | N/A | |
| 2003 | Toyota | Matrix | XR | 1.8L | L4 | GAS | N/A | FWD (Manual Trans) |
| 2003 | Toyota | Matrix | Base | 1.8L | L4 | GAS | N/A | FWD (Manual Trans) |
* 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.