Four Seasons 198366 A/C Compressor

Overview of Four Seasons New Compressor 198366

The Four Seasons New Compressor 198366 is designed specifically for BMW models including the X1, X3, and X5. This A/C compressor is engineered to work with R134a refrigerant and comes pre-filled with compatible Pag 46 oil, ensuring reliable performance and efficient cooling.

• Compatible refrigerant type: R134a
• Pre-filled with Pag 46 refrigerant oil
• Includes clutch assembly with a maximum diameter of 4.328125 inches
• Features an 8-groove serpentine pulley
• 12-volt coil with a single wire lead for coil clock position
• Mounting type: 3 tangent one on rear head
• Includes O-rings (part numbers 24635, 24659, 24683) for proper sealing
• Terminal type: Pin
• Compressor type: 7SEU17C Nippondenso

Four Seasons New Compressor Product Line Details

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 HVAC performance with components like included clutches and oil fill, reducing installation time and ensuring compatibility with factory systems. The 198366 model exemplifies this approach by providing a fully assembled compressor ready for installation in select BMW vehicles.

Technical Description and Features

This Four Seasons A/C compressor features a Nippondenso 7SEU17C design, optimized for BMW X1, X3, and X5 models. The unit includes an 8-groove serpentine pulley with a diameter of approximately 4.33 inches, matching OEM pulley dimensions for proper belt alignment. The clutch assembly is included and designed with a maximum diameter of 4.328125 inches, ensuring seamless engagement. The compressor operates on a 12-volt coil with a single wire lead, simplifying electrical connections. It is pre-filled with Pag 46 oil compatible with R134a refrigerant, which helps maintain system lubrication and longevity. The mounting configuration uses three tangents with one on the rear head, matching factory mounting points. Additionally, the package includes three O-rings for sealing, but mounting hardware is not included.

Applications and Common Issues Addressed

• Replacement for failing or noisy A/C compressors in BMW X1, X3, and X5 models
• Restores proper refrigerant compression and circulation in R134a systems
• Solves clutch engagement problems with included clutch assembly
• Addresses oil contamination or leakage issues by providing a new oil-filled compressor
• Resolves pulley wear or belt slippage with an OEM-matched 8-groove serpentine pulley

Installation Notes and Tips

• May require use of original equipment (OE) manifold for proper fitment
• Mounting hardware is not included; reuse existing hardware or source separately
• Ensure electrical connections match the pin terminal type and single wire lead coil
• Verify compatibility with vehicle refrigerant oil type (Pag 46) and refrigerant (R134a)
• Check pulley alignment and belt condition during installation

Quality Assurance and Warranty

The Four Seasons New Compressor 198366 is a new, direct replacement part manufactured to meet OEM standards. It includes essential components such as the clutch and O-rings to facilitate proper installation and operation. While mounting hardware is not included, the compressor is designed for reliable performance in specified BMW models. Warranty coverage details should be confirmed with the parts provider or manufacturer documentation.