Four Seasons 198368 A/C Compressor

Reliable A/C Compressor for Mercedes-Benz E350, GLK350, ML350

The Four Seasons New Compressor 198368 is designed to restore efficient air conditioning performance in select Mercedes-Benz models. Engineered for compatibility with R134a refrigerant, this A/C compressor ensures proper cooling and system reliability.

Key Features of Four Seasons New Compressor 198368

• Compatible refrigerant type: R134a
• Includes oil filled with Pag 46 compatible refrigerant oil
• 6-groove serpentine pulley for optimal belt engagement
• Clutch included with a maximum diameter of 4.515625 inches
• 12-volt coil with 1 wire lead coil clock position
• Pin-type terminal for secure electrical connection
• Mounting type: 3 tangent one on rear head
• Includes O-rings (part numbers 24635, 24659, 24683) for proper sealing
• Compressor type: 6sbu16c, Nippondenso brand

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 OEM specifications. This product line focuses on delivering reliable performance and durability for HVAC systems, making it a suitable choice for maintaining the air conditioning system in Mercedes-Benz vehicles such as the E350, GLK350, and ML350.

Detailed Product Description

The Four Seasons New Compressor 198368 is a Nippondenso 6sbu16c type compressor engineered specifically for Mercedes-Benz E350, GLK350, and ML350 models. It operates on R134a refrigerant and comes pre-filled with Pag 46 compatible oil to ensure proper lubrication and system longevity. The compressor features a 6-groove serpentine pulley with a diameter of approximately 4.515625 inches, designed to match factory belt configurations. The included clutch assembly and pin-type terminal provide reliable engagement and electrical connection. Mounting is via a 3 tangent setup with one mount on the rear head, matching OEM mounting points for straightforward installation. The product also includes three O-rings to ensure a proper seal and prevent refrigerant leaks.

Common Issues Addressed by This A/C Compressor

• Loss of cooling performance due to compressor failure
• Clutch engagement problems causing intermittent A/C operation
• Refrigerant leaks from worn or damaged compressor seals
• Noise or vibration from a failing compressor unit
• Incompatibility with R134a refrigerant systems in Mercedes-Benz E350, GLK350, ML350

Installation Notes and Tips

Ensure the vehicle’s A/C system is properly evacuated and flushed before installing the new compressor. Verify that the serpentine belt and pulley alignment match the specifications of the Four Seasons 198368 compressor. Use the included O-rings to replace old seals and prevent leaks. Note that mounting hardware is not included and must be reused or sourced separately. Electrical connections should be checked for secure fitment to the pin-type terminal. Proper oil level and refrigerant type (R134a with Pag 46 oil) must be maintained for optimal compressor function.

Quality Assurance and Warranty

Four Seasons New Compressor 198368 is a new, direct replacement part manufactured to meet OEM standards. It includes pre-filled oil and necessary sealing components to ensure reliable operation. 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.