Nissens 891660 A/C Compressor

Nissens A/C Compressor for Civic and CSX

The Nissens 891660 A/C compressor is built to OE standards for dependable cabin cooling in select Honda and Acura applications. It is engineered for stable pumping performance, low noise, and reduced vibration in high-load HVAC operation.

• OE-style A/C compressor for R134A systems
• Compatible refrigerant oil type: PAG 46
• Oil filled: yes
• Clutch included for direct replacement use
• TRSE07 compressor type with serpentine belt drive
• 7-groove pulley with 3.875 in. outside diameter
• 12V electrical setup with 2-pin connector
• Includes O-rings and uses 2 O-ring seals

Fitment Details

Fits 2010-2011 Acura CSX, N/A. Fits 2006-2011 Honda Civic, N/A. This part cross-references UAC CO4919AC for the same application.

Product Overview

Nissens 891660 is an A/C compressor designed for vehicles using R134A refrigerant and PAG 46 oil. The compressor’s critical components, including the pulley, clutch, hub, bearing, and wobble plate, are designed to maintain consistent pumping output while controlling noise and vibration. For Honda Civic and Acura CSX owners, this part number 891660 provides a direct-fit service option for restoring air conditioning performance in the listed model years.

Common Problems This Compressor Can Address

• Weak or inconsistent cabin cooling
• Compressor noise from worn internal components
• Excessive vibration during A/C operation
• Clutch engagement issues in the HVAC system
• Loss of refrigerant compression performance

Installation Notes and Tips

Before installation, drain the shipping oil and refill with the correct PAG 46 oil amount for the vehicle system. Verify the system is clean, replace any contaminated components as needed, and confirm the refrigerant charge is R134A. Check pulley alignment, connector fitment, and O-ring sealing surfaces before final assembly. Part number 891660 should be matched to the vehicle’s compressor type and electrical connection before installation.

Quality Assurance

Nissens manufactures this compressor to OE-level standards and tests it for performance under demanding operating conditions. The design focus on the pulley, clutch, hub, bearing, and wobble plate supports consistent operation in the Honda Civic and Acura CSX applications listed above.