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Universal Air CO21578AC A/C Compressor
Reliable A/C Compressor for Buick, Chevrolet, Pontiac, and Saturn
The Universal Air UAC MSC130CG1 Compressor Assembly (Part Number CO21578AC) is designed to restore efficient air conditioning performance in select GM vehicles. This A/C compressor is compatible with Buick Montana, Chevrolet Uplander, Pontiac Montana, Relay, Terraza, and Saturn models, providing a direct replacement solution for HVAC system repairs.
Key Features of the UAC MSC130CG1 Compressor Assembly
- Direct fit for Buick Montana, Chevrolet Uplander, Pontiac Relay, Terraza, and Saturn models
- Part Number CO21578AC ensures precise identification and compatibility
- Designed for HVAC A/C clutch and compressor category
- Manufactured by Universal Air, a recognized brand in automotive HVAC components
- Meets OEM specifications for reliable performance and durability
About the UAC MSC130CG1 Compressor Assembly Product Line
The UAC MSC130CG1 Compressor Assembly is part of Universal Air's product line focused on HVAC A/C clutch and compressor components. This line emphasizes compatibility with a range of GM vehicles, offering assemblies that meet factory standards for fit and function. The CO21578AC compressor assembly is engineered to integrate seamlessly with existing vehicle systems, supporting efficient cooling and system longevity.
Detailed Product Description
This A/C compressor assembly is engineered to replace the original compressor in Buick Montana, Chevrolet Uplander, Pontiac Relay, Terraza, and Saturn vehicles. The CO21578AC part number corresponds to a compressor designed to maintain proper refrigerant flow and pressure within the HVAC system. Its construction supports consistent air conditioning performance, helping to restore cabin comfort during warm weather conditions. The compressor assembly is built to meet the mechanical and electrical requirements of the specified vehicle models, ensuring compatibility and ease of installation.
Common Issues Addressed by This Compressor Assembly
- Loss of air conditioning cooling efficiency
- Unusual noises or compressor clutch failure
- Refrigerant leaks or pressure inconsistencies
- HVAC system cycling on and off frequently
- Complete compressor failure resulting in no A/C operation
Installation Notes and Tips
- Verify vehicle compatibility with Buick Montana, Chevrolet Uplander, Pontiac Relay, Terraza, or Saturn before installation
- Ensure the refrigerant system is properly evacuated and recharged following compressor replacement
- Inspect and replace the receiver/drier or accumulator as needed to prevent contamination
- Check the condition of the serpentine belt and A/C clutch components during installation
- Follow manufacturer torque specifications and electrical connections carefully
Quality Assurance and Warranty Information
The Universal Air UAC MSC130CG1 Compressor Assembly (CO21578AC) is manufactured to meet industry standards for durability and performance. While specific warranty details may vary, Universal Air products typically include coverage against defects in materials and workmanship. It is recommended to consult the product documentation or supplier for exact warranty terms related to this compressor assembly.
This part fits 11 vehicles. Search below:
| Year | Make | Model | Submodel | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2006 | Buick | Terraza | 3.5L | V6 | N/A | with Rear A/C; 1st Design; UAC MSC130CG1 Compressor Assembly | |
| 2006 | Chevrolet | Uplander | Base | 3.5L | V6 | N/A | with Rear A/C; 1st Design; UAC MSC130CG1 Compressor Assembly |
| 2006 | Chevrolet | Uplander | LS | 3.5L | V6 | N/A | with Rear A/C; 1st Design; UAC MSC130CG1 Compressor Assembly |
| 2006 | Chevrolet | Uplander | LT | 3.5L | V6 | N/A | with Rear A/C; 1st Design; UAC MSC130CG1 Compressor Assembly |
| 2006 | Pontiac | Montana | 3.5L | V6 | N/A | with Rear A/C; 1st Design; UAC MSC130CG1 Compressor Assembly | |
| 2006 | Saturn | Relay | 2 | 3.5L | V6 | N/A | Compatible with rear A/C.; UAC MSC130CG1 Compressor Assembly |
| 2006 | Saturn | Relay | 3 | 3.5L | V6 | N/A | Compatible with rear A/C.; UAC MSC130CG1 Compressor Assembly |
| 2005 | Buick | Terraza | N/A | with Rear A/C; 1st Design; UAC MSC130CG1 Compressor Assembly | |||
| 2005 | Chevrolet | Uplander | N/A | with Rear A/C; 1st Design; UAC MSC130CG1 Compressor Assembly | |||
| 2005 | Pontiac | Montana | SV6 | 3.5L | V6 | N/A | with Rear A/C; 1st Design; UAC MSC130CG1 Compressor Assembly |
| 2005 | Saturn | Relay | N/A | Compatible with rear A/C.; UAC MSC130CG1 Compressor Assembly |
* 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.