Four Seasons 78575 A/C Compressor

Reliable Four Seasons New Compressor for Automotive A/C Systems

The Four Seasons New Compressor 78575 is designed to restore efficient air conditioning performance in vehicles requiring a Sanden SD7H15 type compressor. Engineered for use with R134a refrigerant and compatible with Pag 100 oil, this A/C compressor ensures proper lubrication and cooling system operation.

• Compatible refrigerant type: R134a
• Includes oil filled with Pag 100 compatible refrigerant oil
• 6-groove serpentine pulley for reliable belt engagement
• Pin-type electrical terminal with 1 wire lead coil clock position
• Clutch included with a maximum diameter of 4.72 inches
• 12-volt coil voltage for standard automotive electrical systems
• Tangent mount type for secure installation
• Pulley diameter approximately 120.65 mm (4.72 inches)
• New compressor unit, not remanufactured

About the Four Seasons New Compressor Product Line

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 specific refrigerant types and oils, such as R134a and Pag 100, ensuring proper system function and longevity. The 78575 model is part of this line, providing a complete compressor solution including the clutch and oil fill.

Technical Details and Features

The Four Seasons 78575 compressor features a Sanden SD7H15 design, widely used in various automotive applications. It includes a 6-groove serpentine pulley with a 4.72-inch diameter, matching OEM pulley dimensions for seamless belt alignment. The clutch assembly is included, with a maximum diameter of 4.72 inches and a 1.44-inch distance from clutch to mounting flange, facilitating proper fitment. The compressor operates on a 12-volt coil with a pin-type terminal and a single wire lead coil clock position, compatible with standard vehicle electrical systems. This unit is oil filled with Pag 100 compatible oil, ensuring optimal lubrication and compressor longevity.

Common Applications and Issues Addressed

• Replacement for failing or noisy A/C compressors in vehicles using Sanden SD7H15 compressors
• Restores proper refrigerant flow and pressure in R134a systems
• Solves clutch engagement problems due to worn or damaged clutches
• Addresses compressor oil contamination or depletion issues
• Improves overall air conditioning system efficiency and cooling performance

Installation Notes and Tips

Ensure the vehicle’s A/C system is properly evacuated and flushed before installing the new compressor. Verify compatibility with the vehicle’s refrigerant type (R134a) and oil requirements (Pag 100). The tangent mount design requires correct alignment during installation to avoid belt misalignment or premature wear. Note that mounting hardware is not included and must be sourced separately. Electrical connections should be checked for corrosion or damage before attaching the pin-type terminal.

Quality Assurance and Warranty Information

The Four Seasons New Compressor 78575 is a new, not remanufactured, component manufactured to meet industry standards for durability and performance. It includes a factory-filled oil charge compatible with Pag 100 refrigerant oil. While specific warranty details may vary, Four Seasons typically offers limited warranties covering defects in materials and workmanship. Consult product documentation or supplier for exact warranty terms.