OE Quality
60-Day Returns

Universal Air RA1051C Radiator
Overview of Universal Air Crossflow Radiator RA1051C
The Universal Air Crossflow Radiator RA1051C is designed for reliable cooling performance in select Buick, Chevrolet, Oldsmobile, and Pontiac vehicles. This radiator supports models such as the Cutlass Supreme, Grand Prix, Lumina, and Regal, providing a direct replacement option for maintaining engine temperature control.
- Compatible with Buick Cutlass Supreme and Regal models
- Fits Chevrolet Lumina and Pontiac Grand Prix vehicles
- Part number RA1051C for precise identification
- Crossflow design for efficient heat dissipation
- Constructed to meet OEM specifications
Details on the Crossflow Radiator Product Line
The Crossflow Radiator line by Universal Air features radiators with a horizontal flow design that enhances cooling efficiency by directing coolant across the radiator core. This design supports consistent engine temperature regulation, which is critical for the performance and longevity of vehicles like the Buick Cutlass Supreme and Pontiac Grand Prix. The RA1051C model is part of this line, ensuring compatibility and performance aligned with the original equipment standards.
Product Description and Application
The RA1051C radiator is engineered to replace factory radiators in specific GM vehicles, including the Chevrolet Lumina and Oldsmobile Regal. Its crossflow configuration allows for effective heat exchange, helping to prevent engine overheating under various driving conditions. This radiator is suitable for vehicles requiring a reliable cooling system component that matches original equipment dimensions and performance.
Common Issues Addressed by This Radiator
- Engine overheating due to radiator leaks or blockages
- Reduced cooling efficiency from damaged or corroded radiator cores
- Coolant loss caused by cracked or worn radiator tanks
- Inadequate heat dissipation affecting engine performance
- Replacement of old or failing radiators in Buick, Chevrolet, Oldsmobile, and Pontiac models
Installation Notes and Tips
- Ensure vehicle compatibility by verifying make and model before installation
- Drain coolant completely before removing the old radiator
- Inspect hoses and clamps for wear and replace if necessary
- Bleed the cooling system after installation to remove air pockets
- Check for leaks and proper coolant levels after installation
Quality Assurance and Warranty
The Universal Air Crossflow Radiator RA1051C is manufactured to meet or exceed OEM standards for durability and performance. While specific warranty details are not provided, Universal Air products typically undergo rigorous quality control to ensure reliability in automotive cooling applications.
This part fits 15 vehicles. Search below:
| Year | Make | Model | Submodel | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 1993 | Buick | Regal | Gran Sport | 3.8L | V6 | N/A | Crossflow Radiator | |
| 1993 | Chevrolet | Lumina | Z34 | 3.4L | V6 | GAS | N/A | Crossflow Radiator |
| 1993 | Oldsmobile | Cutlass Supreme | 3.4L | V6 | N/A | with Engine Oil Cooler; Crossflow Radiator | ||
| 1993 | Oldsmobile | Cutlass Supreme | 3.1L | V6 | N/A | with Engine Oil Cooler; Crossflow Radiator | ||
| 1992 | Buick | Regal | Limited | 3.8L | V6 | N/A | Crossflow Radiator | |
| 1992 | Buick | Regal | Custom | 3.8L | V6 | N/A | Crossflow Radiator | |
| 1992 | Chevrolet | Lumina | Euro | 3.4L | V6 | N/A | Crossflow Radiator | |
| 1992 | Oldsmobile | Cutlass Supreme | 3.4L | V6 | N/A | with Engine Oil Cooler; Crossflow Radiator | ||
| 1991 | Buick | Regal | Limited | 3.8L | V6 | N/A | Crossflow Radiator | |
| 1991 | Oldsmobile | Cutlass Supreme | SL | 3.4L | V6 | N/A | with Engine Oil Cooler; Crossflow Radiator | |
| 1991 | Oldsmobile | Cutlass Supreme | Base | 3.4L | V6 | N/A | with Engine Oil Cooler; Crossflow Radiator | |
| 1991 | Pontiac | Grand Prix | SE | 3.1L | V6 | N/A | Crossflow Radiator | |
| 1991 | Pontiac | Grand Prix | STE | 3.4L | V6 | N/A | Crossflow Radiator | |
| 1990 | Buick | Regal | Custom | 3.8L | V6 | N/A | Crossflow Radiator | |
| 1990 | Buick | Regal | Gran Sport | 3.8L | V6 | N/A | Crossflow Radiator |
* 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.