OE Quality
60-Day Returns

Nissens 646843 Radiator
Overview of Nissens Radiator for Toyota RAV4
The Nissens radiator, part number 646843, is designed specifically for Toyota RAV4 models. Constructed from durable aluminum, this radiator ensures efficient heat dissipation to maintain optimal engine temperature under various driving conditions.
- Material: High-quality aluminum for corrosion resistance and lightweight performance
- Core Height: 15.8661 inches for effective cooling surface area
- Core Width: 26.3780 inches to fit precise vehicle specifications
- Core Length: 0.7874 inches ensuring proper thickness for heat exchange
- Compatible with Toyota RAV4 models requiring part number 646843
Detailed Product Description
This radiator from Nissens is engineered with an aluminum core that balances strength and thermal conductivity. The core dimensions—15.8661 inches in height, 26.3780 inches in width, and 0.7874 inches in length—are tailored to fit the cooling system of the Toyota RAV4, providing reliable temperature regulation. The aluminum construction helps reduce overall vehicle weight while resisting corrosion, which contributes to longer service life and consistent performance.
Applications and Problem Solving
This radiator is intended for use in the cooling system of Toyota RAV4 vehicles. It addresses several common issues including:
- Overheating caused by inefficient heat dissipation
- Coolant leaks due to damaged or corroded radiator cores
- Reduced engine performance from inadequate cooling
- Premature radiator failure from rust or physical damage
- Maintaining proper engine operating temperature for emission control
Installation Notes and Tips
When installing the Nissens radiator 646843 on a Toyota RAV4, ensure the following:
- Verify compatibility with your specific RAV4 model year and engine type
- Drain the cooling system completely before removal of the old radiator
- Inspect hoses and clamps for wear and replace if necessary
- Use manufacturer-recommended coolant and follow proper bleeding procedures
- Check for any leaks after installation and during initial operation
Quality Assurance and Warranty
Nissens radiators are manufactured to meet OEM standards for fit, form, and function. The aluminum construction undergoes rigorous quality control to ensure durability and performance. While specific warranty details may vary, Nissens typically offers coverage against manufacturing defects. Consult product documentation or authorized sources for exact warranty terms related to part number 646843.
| Brand | Nissens |
| Part Number | 646843 |
| Core Height | 15.8661 |
| Core Length | 0.7874 |
| Core Width | 26.3780 |
| Material | Aluminum |
This part fits 35 vehicles. Search below:
| Year | Make | Model | Submodel | Body Type | Drive Type | Transmission | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2013 | Toyota | RAV4 | Sport Utility | AWD | Automatic | 2.5L | L4 | GAS | N/A | with oil cooler | |
| 2012 | Toyota | RAV4 | Base | 3.5L | V6 | GAS | N/A | Exc.Japan Built Vehicle (Exc.Towing Package) | |||
| 2012 | Toyota | RAV4 | Sport | 3.5L | V6 | GAS | N/A | Japan Built Vehicle (Exc.Towing Package) | |||
| 2012 | Toyota | RAV4 | Sport | 3.5L | V6 | GAS | N/A | Exc.Japan Built Vehicle (Exc.Towing Package) | |||
| 2012 | Toyota | RAV4 | Base | 3.5L | V6 | GAS | N/A | Japan Built Vehicle (Exc.Towing Package) | |||
| 2012 | Toyota | RAV4 | Limited | 3.5L | V6 | GAS | N/A | Japan Built Vehicle (Exc.Towing Package) | |||
| 2012 | Toyota | RAV4 | Limited | 3.5L | V6 | GAS | N/A | Exc.Japan Built Vehicle (Exc.Towing Package) | |||
| 2011 | Toyota | RAV4 | Sport | 3.5L | V6 | GAS | N/A | Exc.Japan Built Vehicle (Exc.Towing Package) | |||
| 2011 | Toyota | RAV4 | Base | 3.5L | V6 | GAS | N/A | Japan Built Vehicle (Exc.Towing Package) | |||
| 2011 | Toyota | RAV4 | Base | 3.5L | V6 | GAS | N/A | Exc.Japan Built Vehicle (Exc.Towing Package) | |||
| 2011 | Toyota | RAV4 | Sport | 3.5L | V6 | GAS | N/A | Japan Built Vehicle (Exc.Towing Package) | |||
| 2011 | Toyota | RAV4 | Limited | 3.5L | V6 | GAS | N/A | Japan Built Vehicle (Exc.Towing Package) | |||
| 2011 | Toyota | RAV4 | Limited | 3.5L | V6 | GAS | N/A | Exc.Japan Built Vehicle (Exc.Towing Package) | |||
| 2010 | Toyota | RAV4 | Limited | 3.5L | V6 | GAS | N/A | Exc.Japan Built Vehicle (Exc.Towing Package) | |||
| 2010 | Toyota | RAV4 | Sport | 3.5L | V6 | GAS | N/A | Japan Built Vehicle (Exc.Towing Package) | |||
| 2010 | Toyota | RAV4 | Base | 3.5L | V6 | GAS | N/A | Japan Built Vehicle (Exc.Towing Package) | |||
| 2010 | Toyota | RAV4 | Sport | 3.5L | V6 | GAS | N/A | Exc.Japan Built Vehicle (Exc.Towing Package) | |||
| 2010 | Toyota | RAV4 | Base | 3.5L | V6 | GAS | N/A | Exc.Japan Built Vehicle (Exc.Towing Package) | |||
| 2010 | Toyota | RAV4 | Limited | 3.5L | V6 | GAS | N/A | Japan Built Vehicle (Exc.Towing Package) | |||
| 2009 | Toyota | RAV4 | Sport | 3.5L | V6 | GAS | N/A | Exc.Japan Built Vehicle (Exc.Towing Package) | |||
| 2009 | Toyota | RAV4 | Base | 3.5L | V6 | GAS | N/A | Exc.Japan Built Vehicle (Exc.Towing Package) | |||
| 2009 | Toyota | RAV4 | Sport | 3.5L | V6 | GAS | N/A | Japan Built Vehicle (Exc.Towing Package) | |||
| 2009 | Toyota | RAV4 | Base | 3.5L | V6 | GAS | N/A | Japan Built Vehicle (Exc.Towing Package) | |||
| 2009 | Toyota | RAV4 | Limited | 3.5L | V6 | GAS | N/A | Japan Built Vehicle (Exc.Towing Package) | |||
| 2009 | Toyota | RAV4 | Limited | 3.5L | V6 | GAS | N/A | Exc.Japan Built Vehicle (Exc.Towing Package) | |||
| 2008 | Toyota | RAV4 | Sport | 3.5L | V6 | GAS | N/A | Exc.Towing Package | |||
| 2008 | Toyota | RAV4 | Base | 3.5L | V6 | GAS | N/A | Exc.Towing Package | |||
| 2008 | Toyota | RAV4 | Limited | 3.5L | V6 | GAS | N/A | Exc.Towing Package | |||
| 2007 | Toyota | RAV4 | Limited | 3.5L | V6 | GAS | N/A | Exc.Towing Package | |||
| 2007 | Toyota | RAV4 | Sport | 3.5L | V6 | GAS | N/A | Exc.Towing Package | |||
| 2007 | Toyota | RAV4 | Base | 3.5L | V6 | GAS | N/A | Exc.Towing Package | |||
| 2006 | Toyota | RAV4 | Sport | 3.5L | V6 | GAS | N/A | Exc.Towing Package | |||
| 2006 | Toyota | RAV4 | Base | 3.5L | V6 | GAS | N/A | Exc.Towing Package | |||
| 2006 | Toyota | RAV4 | Limited | 3.5L | V6 | GAS | N/A | Exc.Towing Package | |||
| 2005 | Toyota | RAV4 | Sport Utility | AWD | Automatic | 2.4L | L4 | GAS | N/A | with oil cooler |
* 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.