Four Seasons 3671N A/C Compressor and Component Kit

Four Seasons PAC-Kit w/ New Compressor

Four Seasons 3671N is an A/C compressor kit for select Porsche 924 applications with an SD508 compressor. This PAC-Kit w/ New Compressor is built for 1977-1978 Porsche 924 models and includes the core service components needed for a compressor-related HVAC repair.

Key Features

• Four Seasons A/C Compressor Kit for Porsche 924 HVAC service
• Fits 1977 Porsche 924 with SD508 compressor
• Fits 1978 Porsche 924 with SD508 compressor in X Series
• Includes compressor, filter drier, expansion valve, flush, and oil as listed in the fitment notes
• Part number 3671N for catalog and search reference

Product Details

The Four Seasons PAC-Kit w/ New Compressor is a direct-fit HVAC service solution for Porsche 924 vehicles listed in the fitment data. It is intended for applications that use an SD508 compressor and is identified by part number 3671N. For shoppers searching for a 1977 Porsche 924 A/C compressor kit or a 1978 Porsche 924 compressor replacement, this kit provides the listed service components in one application-specific package.

This part cross-references Four Seasons 58033 and 33276 for the same application.

Common Repair Uses

• Replacing a worn or failed A/C compressor on a Porsche 924
• Restoring cooling performance after compressor seizure or internal wear
• Addressing refrigerant flow issues tied to the expansion valve or filter drier
• Correcting contamination concerns during an A/C system overhaul
• Servicing an SD508 compressor-based Porsche 924 HVAC system

Installation Notes

Verify the vehicle’s compressor type before ordering. This kit is listed for 1977 Porsche 924 and 1978 Porsche 924 models with SD508 compressor applications, including the 1978 X Series note shown in the fitment data. Inspect the system for contamination, replace damaged seals and related wear items as needed, and follow proper evacuation, flushing, and recharge procedures during installation.

Quality Assurance

Four Seasons is a recognized HVAC parts brand, and this PAC-Kit w/ New Compressor is cataloged under part number 3671N for accurate identification and ordering.