Nissens 890327 A/C Compressor

Nissens 890327 A/C Compressor

The Nissens 890327 is a direct-fit A/C compressor for select GM minivans, built for R134A systems and supplied with pre-filled PAG oil. It is a FIRST FIT design for faster installation and is engineered to match the compressor specifications used on the original application.

• Refrigerant type: R134A
• Compatible oil type: PAG 56
• Pre-filled PAG oil for installation convenience
• Compressor type: MSC105G2
• 6-groove pulley design
• FIRST FIT configuration for time-saving service

Fitment

• Fits 2006-2009 Chevrolet Uplander, N/A
• Fits 2006-2009 Pontiac Montana, N/A
• Fits 2006-2007 Buick Terraza, N/A
• Fits 2006-2007 Saturn Relay, N/A

Product Details

This Nissens A/C compressor, part number 890327, is built for vehicles using R134A refrigerant and PAG 56 oil. The MSC105G2 compressor type and 6-groove pulley help ensure the unit matches the factory-style belt drive and system requirements for the listed Chevrolet Uplander, Pontiac Montana, Buick Terraza, and Saturn Relay applications. Nissens develops thermal management components with a focus on consistent manufacturing standards across its aftermarket range.

This part cross-references UAC (e.g., CO21577AC, CO21579T) for the same application.

Common Repair Symptoms

• No cold air from the vents
• Compressor clutch engagement issues
• Unusual noise from the A/C compressor area
• Weak or inconsistent cabin cooling
• System performance loss after compressor wear or seizure

Installation Notes

Verify refrigerant type, pulley groove count, and compressor type before installation. Confirm the system is serviced with the correct PAG 56 oil and that the A/C system is evacuated and recharged according to vehicle specifications. Check belt alignment and inspect related A/C components for contamination or wear before putting the system back into service.

Quality Assurance

Nissens manufactures thermal and engine efficiency components to controlled quality standards, and this compressor is part of the brand’s Genuine Nissens Quality range. Part number 890327 is built to support a direct replacement workflow for the listed applications.