Four Seasons 78547 A/C Compressor

Overview of Four Seasons New Compressor 78547 for Saab 9-3

The Four Seasons New Compressor 78547 is designed specifically for the Saab 9-3, providing reliable air conditioning performance. This A/C compressor is engineered to work with R134a refrigerant and includes essential components for efficient HVAC operation.

• Compatible refrigerant type: R134a
• Includes oil filled with Pag 46 compatible refrigerant oil
• Heat switch type with included heat sensor switch
• 6-groove serpentine pulley for optimal belt engagement
• 12-volt coil with 1 wire lead coil clock position
• Comes with clutch included, maximum diameter 4.000 inches
• Tangent mount type with precise mounting distance of 40.64 mm
• O-ring type suction and discharge ports with included green O-rings
• Designed as a new TRF105 compressor type
• Pin terminal type for electrical connection

Four Seasons New Compressor Product Line Details

The Four Seasons New Compressor line focuses on delivering brand-new, direct replacement compressors that meet original equipment specifications. The 78547 model is part of this line, ensuring that Saab 9-3 owners receive a compressor built to OEM standards with included clutch and heat sensor switch for seamless integration into the vehicle's HVAC system.

Technical Description and Features

This Four Seasons A/C compressor 78547 is engineered for the Saab 9-3 with a TRF105 compressor type, compatible with R134a refrigerant and Pag 46 oil. The unit features a 6-groove serpentine pulley with a 4.000-inch diameter and a tangent mount design, providing secure and precise installation. The clutch assembly is included, with a maximum diameter of 4.000 inches and a clutch-to-mounting flange distance of approximately 1.59 inches. Electrical connections utilize a pin terminal and a 12-volt coil with a single wire lead, simplifying wiring during replacement. Both suction and discharge ports use O-ring seals, with green O-rings included to ensure leak-free operation.

Common Applications and Problem Resolution

• Replacement for failing or noisy A/C compressors in Saab 9-3 models
• Restores proper air conditioning cooling performance
• Solves clutch engagement issues due to worn or damaged clutches
• Addresses refrigerant leaks from worn seals or O-rings
• Eliminates electrical faults related to coil or heat switch failures

Installation Notes and Tips

When installing the Four Seasons New Compressor 78547, ensure the use of compatible refrigerant oil type Pag 46 as included. Verify the correct alignment of the 6-groove serpentine pulley with the vehicle’s belt system. The tangent mount requires precise positioning with a mounting distance of 40.64 mm. The included clutch and heat sensor switch simplify installation, but mounting hardware is not included and must be sourced separately. Proper torque specifications should be followed to avoid damage to mounting points.

Quality Assurance and Warranty

Four Seasons New Compressor 78547 is a brand-new replacement part manufactured to meet or exceed OEM standards for the Saab 9-3. The product includes oil and O-rings to ensure proper sealing and lubrication. While specific warranty details are not provided here, Four Seasons typically offers limited warranties on their new compressor line, covering defects in materials and workmanship under normal use.