Nissens 891547 A/C Compressor

Nissens 891547 A/C Compressor Overview

The Nissens 891547 A/C compressor is built to OE standards for dependable cabin cooling performance in R134A systems. It uses an SD7H15 compressor design with a serpentine belt pulley, clutch included, and oil-filled construction for direct replacement service on supported vehicles.

For drivers searching for an A/C compressor for Honda Civic, Toyota Corolla, or similar vehicle applications, this unit is engineered for stable pumping performance, low noise, and reduced vibration under demanding operating conditions.

Key Features

• OE-standard Nissens compressor construction
• SD7H15 compressor type for R134A air conditioning systems
• PAG 100 refrigerant oil type, oil filled
• Clutch included for service-ready replacement
• Serpentine belt pulley with 2-groove design
• 12-volt electrical specification with 2-pin connector
• O-rings included for sealing at installation points
• Designed for quiet operation and consistent pumping output

Detailed Description

Nissens part number 891547 is an A/C compressor designed for vehicles using R134A refrigerant and PAG 100 oil. The compressor’s critical components, including the pulley, clutch, hub, bearing, and wobble plate, are engineered to support smooth operation, controlled vibration, and durable performance in high-load HVAC service. This makes the Nissens 891547 a practical choice when replacing a worn compressor in a Honda Civic, Toyota Corolla, or other vehicle with matching system requirements.

This part cross-references UAC CO4821C for the same application.

What It Helps Fix

• Weak or inconsistent cabin cooling
• Noisy compressor operation from worn internal components
• Compressor clutch engagement problems
• Refrigerant circulation loss in an R134A system
• Vibration or belt-drive issues related to compressor wear

Installation Notes and Tips

Confirm refrigerant type, oil specification, pulley groove count, connector style, and belt drive layout before installation. Replace the system O-rings at the compressor connections, evacuate and recharge the system with the correct R134A refrigerant and PAG 100 oil specification, and verify clutch operation after installation. Match the vehicle application carefully when ordering a Honda Civic A/C compressor, Toyota Corolla A/C compressor, or other OE-style replacement.

Quality Assurance

Nissens manufactures compressors to OE standards and tests them for performance under demanding operating conditions. The design focus on the pulley, clutch, hub, bearing, and wobble plate supports consistent operation and long-term durability.