OE Quality
60-Day Returns

Nissens 648321 Radiator - Center
Overview of Nissens Radiator for Geo Prizm
The Nissens radiator, part number 648321, is designed specifically for the Geo Prizm, providing reliable cooling performance. Constructed with a durable plastic and aluminum combination, this radiator ensures efficient heat dissipation and long-lasting operation.
- Material: Plastic and aluminum construction for durability and heat transfer
- Core Height: 28.2283 inches
- Core Width: 13.7795 inches
- Core Length: 0.6693 inches
- Compatible with Geo Prizm models
- Part Number: 648321
Detailed Product Description
This radiator features a core made from aluminum, supported by plastic tanks, balancing weight and strength for optimal cooling efficiency. The core dimensions—28.2283 inches in height, 13.7795 inches in width, and 0.6693 inches in length—are engineered to fit the cooling system of the Geo Prizm precisely. The aluminum core facilitates effective heat exchange, while the plastic components resist corrosion and reduce overall weight.
Compatible Vehicles and Applications
This radiator is compatible with Geo Prizm vehicles, ensuring a direct fit replacement for the original cooling system component. It is suitable for addressing common radiator-related issues such as:
- Engine overheating due to inefficient cooling
- Coolant leaks from damaged or corroded radiator tanks
- Reduced cooling performance from clogged or worn cores
- Physical damage from road debris or accidents
- Maintaining optimal engine temperature for performance and longevity
Installation Notes and Tips
When installing the Nissens radiator 648321 on a Geo Prizm, ensure the cooling system is fully drained before removal of the old radiator. Verify that all hose connections and mounting points align with the vehicle’s specifications. It is recommended to inspect and replace any worn hoses or clamps during installation to prevent future leaks. Properly bleed the cooling system after installation to avoid air pockets that can impair cooling efficiency.
Quality Assurance and Warranty
Nissens radiators are manufactured to meet OEM standards, using quality materials such as aluminum cores and corrosion-resistant plastic tanks. While specific warranty details for part number 648321 should be confirmed with the distributor, Nissens products typically come with a limited warranty covering defects in materials and workmanship to ensure reliability and customer confidence.
| Brand | Nissens |
| Part Number | 648321 |
| Core Height | 28.2283 |
| Core Length | 0.6693 |
| Core Width | 13.7795 |
| Material | Plastic/Aluminum |
This part fits 10 vehicles. Search below:
| Year | Make | Model | Body Type | Transmission | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|---|---|
| 1997 | Geo | Prizm | Sedan | Automatic | 1.6L | L4 | GAS | Center | W/I TOC |
| 1997 | Geo | Prizm | Sedan | Automatic | 1.8L | L4 | GAS | Center | W/I TOC |
| 1996 | Geo | Prizm | Sedan | Automatic | 1.8L | L4 | GAS | Center | W/I TOC |
| 1996 | Geo | Prizm | Sedan | Automatic | 1.6L | L4 | GAS | Center | W/I TOC |
| 1995 | Geo | Prizm | Sedan | Automatic | 1.6L | L4 | GAS | Center | W/I TOC |
| 1995 | Geo | Prizm | Sedan | Automatic | 1.8L | L4 | GAS | Center | W/I TOC |
| 1994 | Geo | Prizm | Sedan | Automatic | 1.6L | L4 | GAS | Center | W/I TOC |
| 1994 | Geo | Prizm | Sedan | Automatic | 1.8L | L4 | GAS | Center | W/I TOC |
| 1993 | Geo | Prizm | Sedan | Automatic | 1.6L | L4 | GAS | Center | W/I TOC |
| 1993 | Geo | Prizm | Sedan | Automatic | 1.8L | L4 | GAS | Center | W/I TOC |
* 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.