Four Seasons 78601 A/C Compressor

Reliable Four Seasons New Compressor for HVAC Systems

The Four Seasons New Compressor 78601 is designed to restore efficient air conditioning performance in vehicles requiring R134a refrigerant. Engineered for compatibility with specific automotive HVAC systems, this A/C compressor ensures proper cooling and system reliability.

• Compatible with R134a refrigerant and Pag 46 oil type
• Includes oil pre-filled for immediate installation
• Features a 6-groove serpentine pulley for optimal belt engagement
• Equipped with a 12-volt coil and bullet terminal type
• Comes with clutch included, clutch maximum diameter 5.36 inches
• Tangent mount style for secure and precise installation
• Designed as a new compressor, not remanufactured
• Includes two O-rings (part number 24632) for sealing

Four Seasons New Compressor Product Line Overview

The Four Seasons New Compressor line offers brand-new, direct replacement compressors engineered to meet or exceed original equipment specifications. The 78601 model is part of this line, providing a reliable solution for vehicles requiring the York-diesel kiki-zexel-seltec type compressor. This ensures compatibility with a range of automotive HVAC systems that utilize R134a refrigerant and serpentine belt drives.

Technical Details and Features

This A/C compressor features a TM21HD compressor type with a 12-volt coil and a single wire lead coil clock position, designed for efficient electrical operation. The pulley diameter measures 136.13 mm (5.36 inches) with matching lip and ridge diameters, ensuring proper belt alignment and tension. The clutch assembly is included, with a maximum diameter of 5.36 inches, facilitating smooth engagement and disengagement of the compressor. The bullet terminal type allows for straightforward electrical connections. The tangent mount style provides a secure fitment in compatible vehicle HVAC systems.

Common Applications and Problem Resolution

• Restores A/C cooling performance in vehicles with failing or seized compressors
• Replaces compressors leaking refrigerant or oil
• Solves issues related to clutch failure or slipping
• Addresses noisy or inefficient compressor operation
• Upgrades from remanufactured units to a new compressor for improved reliability

Installation Notes and Tips

Before installation, verify compatibility with your vehicle’s HVAC system, especially the refrigerant type (R134a) and pulley groove count (6 grooves for serpentine belts). The compressor comes pre-filled with Pag 46 oil, but it is recommended to check oil levels and system requirements during installation. Use the included O-rings (part number 24632) to ensure proper sealing and prevent leaks. Note that mounting hardware is not included and must be sourced separately. Proper torque specifications and alignment should be followed to avoid premature wear.

Quality Assurance and Warranty

The Four Seasons New Compressor 78601 is manufactured to meet strict quality standards for durability and performance. As a new compressor, it provides a reliable replacement option for vehicles requiring York-diesel kiki-zexel-seltec type compressors. Warranty coverage details should be confirmed with the distributor or vehicle manufacturer to ensure compliance with specific terms.