Four Seasons 68578 A/C Compressor

Reliable Four Seasons New Compressor for Automotive A/C Systems

The Four Seasons New Compressor 68578 is designed to restore efficient air conditioning performance in vehicles requiring an R134a refrigerant system. Engineered for durability and compatibility, this A/C compressor supports proper cooling function in various automotive applications.

• Compatible with R134a refrigerant and Pag 100 oil type
• Includes oil pre-filled for immediate installation
• Features an 8-groove serpentine pulley for optimal belt engagement
• Equipped with a bullet terminal and 12V coil voltage
• Includes clutch assembly with a maximum diameter of 4.75 inches
• Ear mount design with precise clutch-to-mounting flange distance of 0.859375 inches
• Compressor type: Sd7h15 with rear horizontal tube outlet
• O-ring sealed suction and discharge ports for leak prevention

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. This product line focuses on delivering reliable performance and compatibility with factory refrigerant and oil types. The 68578 model exemplifies this approach by including essential components such as the clutch and pre-filled oil, ensuring a streamlined installation process for technicians and vehicle owners.

Technical Details and Features

This Four Seasons A/C compressor is specifically designed for vehicles using R134a refrigerant and requires Pag 100 oil, which is included in the unit. The compressor features an 8-groove serpentine pulley with a diameter of approximately 4.75 inches, matching OEM specifications for proper belt alignment and tension. The clutch assembly is included and has a maximum diameter of 4.75 inches, with a clutch-to-mounting flange distance of 0.859375 inches, ensuring precise fitment. The coil operates at 12 volts with a single wire lead terminal type (bullet), simplifying electrical connections. The compressor head type is MD with a rear horizontal tube outlet, and both suction and discharge ports use O-ring seals to maintain system integrity.

Common Applications and Problem Resolution

• Replacement for worn or failed A/C compressors in vehicles requiring R134a refrigerant
• Restores proper clutch engagement and pulley function to prevent belt slippage
• Eliminates refrigerant leaks caused by damaged O-ring seals on suction or discharge ports
• Addresses insufficient cooling due to compressor failure or oil depletion
• Suitable for vehicles compatible with Sanden/Sankyo type compressors

Installation Notes and Tips

When installing the Four Seasons New Compressor 68578, ensure the system is properly evacuated and flushed before installation. Verify compatibility with the vehicle’s refrigerant and oil specifications, specifically R134a and Pag 100 oil. The included oil-filled compressor reduces the need for additional oil charging. Note that mounting hardware is not included and must be sourced separately. Proper torque specifications should be followed for the ear mount installation. Electrical connections should be made to the bullet terminal with a 12V power supply, and belt alignment should be checked to match the 8-groove serpentine pulley.

Quality Assurance and Warranty

Four Seasons New Compressor 68578 is manufactured to meet stringent quality standards, ensuring reliable operation and longevity. This new compressor is backed by Four Seasons’ warranty coverage, providing assurance against defects in materials and workmanship. For specific warranty terms, refer to Four Seasons documentation or authorized service providers.