Four Seasons 78339 A/C Compressor

Overview of Four Seasons New Compressor 78339

The Four Seasons New Compressor 78339 is designed specifically for Mercedes-Benz models including the C36 AMG, C220, and C280. This A/C compressor is engineered to work with R134a refrigerant and comes oil filled with compatible Pag 46 refrigerant oil, ensuring reliable performance in your vehicle's HVAC system.

• Compatible with Mercedes-Benz C36 AMG, C220, and C280
• Refrigerant type: R134a
• Includes oil filled with Pag 46 refrigerant oil
• 6-groove serpentine pulley for efficient belt engagement
• Bullet terminal type with 12V coil voltage
• Includes clutch with a maximum diameter of 4.5 inches
• Tangent mount type with precise mounting distance
• O-ring type suction and discharge ports with included O-rings

Four Seasons New Compressor Product Line Details

The Four Seasons New Compressor line offers brand-new, direct replacement compressors designed to meet or exceed original equipment specifications. The 78339 model is part of this line, providing a complete A/C compressor solution including the clutch and oil fill. This ensures compatibility and ease of installation for Mercedes-Benz vehicles requiring a Nippondenso 6ca17c type compressor.

Detailed Product Description

This Four Seasons A/C compressor features a 6-groove serpentine pulley with a 4.5-inch diameter, designed for smooth belt operation and durability. The clutch assembly is included and has a maximum diameter of 4.5 inches, with a coil clock position featuring a single wire lead and a 12-volt coil voltage. The compressor uses a tangent mount with a mounting distance of approximately 16.76 mm (0.65625 inches from clutch to mounting flange), ensuring proper fitment in the specified Mercedes-Benz models. Both suction and discharge ports utilize O-ring seals, with four O-rings included for secure connections. The terminal type is bullet style, facilitating straightforward electrical connections.

Common Applications and Issues Addressed

• Replacement for failing or noisy A/C compressors in Mercedes-Benz C36 AMG, C220, and C280
• Restores proper refrigerant compression and circulation in R134a systems
• Solves clutch engagement problems due to worn or damaged clutches
• Addresses oil contamination or leakage issues with included oil fill
• Resolves pulley or belt slippage caused by worn compressor pulleys

Installation Notes and Tips

• May require use of original equipment (OE) manifold for proper installation
• Mounting hardware is not included; reuse existing hardware or source separately
• Ensure system is evacuated and recharged with R134a refrigerant and Pag 46 oil
• Verify clutch electrical connections match bullet terminal type
• Inspect serpentine belt condition and alignment during installation

Quality Assurance and Warranty

The Four Seasons New Compressor 78339 is a new, direct replacement part manufactured to meet OEM standards for fit, form, and function. It includes oil fill and clutch assembly to simplify installation. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship. Consult product documentation or supplier for exact warranty terms.