Four Seasons 3686R A/C Compressor Kit - Front

Four Seasons PAC-Kit w/ Reman Compressor 3686R

Four Seasons 3686R is an A/C compressor kit for select classic GM applications that need a remanufactured A6-style compressor and related air conditioning components. It is built for direct-fit service on specific Buick, Oldsmobile, and GMC models with confirmed factory A/C configurations.

Key Features

• Part number 3686R from Four Seasons PAC-Kit w/ Reman Compressor line
• Remanufactured A6 compressor with double groove pulley application
• Includes matched A/C service components for the listed vehicle applications
• Fits select 1962-1970 Buick Riviera, Oldsmobile Starfire, and GMC Jimmy models
• Application-specific coverage for factory air and externally equalized expansion valve setups

Product Details

The Four Seasons PAC-Kit w/ Reman Compressor line combines the compressor and related A/C service parts needed for a proper repair on older vehicle systems. This 3686R kit is listed for 1963-1965 Buick Riviera, 1962-1964 Oldsmobile Starfire, and 1970 GMC Jimmy applications, with notes calling out A6 compressor use, double groove pulley configuration, and the correct expansion valve setup where required. For buyers searching for a 1970 GMC Jimmy A/C compressor kit or a 1963 Buick Riviera reman compressor kit, this part number provides a direct reference point for the listed vehicles.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Common Repair Uses

• Restoring cooling performance on a weak or failed compressor
• Addressing noisy compressor operation in classic A/C systems
• Replacing a leaking or inefficient compressor assembly
• Correcting poor refrigerant circulation in factory air systems
• Servicing vehicles that require the specified A6 compressor and expansion valve configuration

Installation Notes

Verify the vehicle year, make, model, and A/C configuration before ordering. Match the pulley style, compressor type, and expansion valve notes to the existing system on the vehicle. Proper flushing and oil service are important when replacing major A/C components, and the system should be checked for leaks and correct refrigerant charge after installation.

Quality Assurance

Four Seasons is a recognized aftermarket brand for HVAC service parts, and this PAC-Kit is cataloged for specific OE-style applications. Confirm fitment against the listed vehicle notes for 1962-1970 Buick Riviera, Oldsmobile Starfire, and GMC Jimmy coverage before installation.