Four Seasons 58440 A/C Compressor

Reliable A/C Compressor for Nissan D21, Pathfinder, and Pickup

The Four Seasons New Compressor 58440 is designed to restore efficient air conditioning performance in select Nissan vehicles. Engineered for compatibility with Nissan D21, Pathfinder, and Pickup models, this A/C compressor ensures proper refrigerant flow and cooling capacity.

• Compatible with R134a refrigerant
• Includes oil pre-filled with PAG 46 compatible refrigerant oil
• Equipped with a heat switch and heat sensor for optimal operation
• Single-groove pulley designed for V-belt drive systems
• Includes clutch assembly with a maximum diameter of 5.75 inches
• 12-volt coil with 1 wire lead for electrical connection
• Pad mount suction and discharge ports for secure installation
• Ear mount type with a mounting flange distance of 1.40625 inches
• Includes green O-rings (part numbers 24681 and 24661) for sealing

Four Seasons New Compressor Product Line Overview

The Four Seasons New Compressor line offers brand-new, direct replacement compressors designed to meet or exceed original equipment specifications. The New Compressor 58440 is part of this line, providing a fully assembled unit with clutch and oil included, reducing installation time and ensuring reliable performance for Nissan D21, Pathfinder, and Pickup vehicles.

Detailed Product Description

This Four Seasons A/C compressor (part number 58440) is engineered specifically for Nissan models including the D21, Pathfinder, and Pickup. It operates with R134a refrigerant and is pre-filled with PAG 46 oil to maintain proper lubrication and system longevity. The compressor features a heat switch and heat sensor to regulate clutch engagement and protect the system from overheating. Its single-groove pulley and V-belt compatibility ensure smooth power transmission. The clutch assembly is included, with a maximum diameter of 5.75 inches, and the coil operates at 12 volts with a single wire lead for straightforward electrical connection. The compressor mounts using an ear mount style with a 1.40625-inch distance from clutch to mounting flange, and pad mount suction and discharge ports provide secure hose connections. Green O-rings are included for proper sealing during installation.

Common Applications and Issues Addressed

• Replacement for failed or leaking A/C compressors in Nissan D21, Pathfinder, and Pickup
• Restores proper refrigerant circulation and cooling efficiency
• Resolves clutch engagement problems due to worn or damaged clutch assemblies
• Eliminates overheating issues with integrated heat switch and sensor
• Addresses pulley or belt slippage with correctly sized single-groove pulley

Installation Notes and Tips

• Ensure system is evacuated and flushed before installing the new compressor
• Use compatible PAG 46 refrigerant oil as specified
• Verify electrical connections match the 12-volt coil with spade terminal
• Replace O-rings with the included green O-rings to prevent leaks
• Mount using ear mount points and confirm proper alignment of pulley and belt

Quality Assurance and Warranty

The Four Seasons New Compressor 58440 is a new, direct replacement part manufactured to meet OEM standards. It includes pre-filled oil and clutch assembly to ensure reliable operation. While specific warranty details vary, Four Seasons typically offers a limited warranty covering defects in materials and workmanship. Refer to product documentation for exact warranty terms.