Four Seasons 4636N A/C Compressor and Component Kit

Four Seasons PAC-Kit w/ New Compressor 4636N

The Four Seasons PAC-Kit w/ New Compressor 4636N is an A/C compressor kit for select Dodge Ram heavy-duty trucks. It is built for 1998-2002 Dodge Ram 2500 and Dodge Ram 3500 applications that use an SD7H15 compressor, making it a focused replacement for common truck HVAC service needs.

Key Features

• Four Seasons PAC-Kit w/ New Compressor for A/C compressor replacement
• Part number 4636N for easy identification
• Fits 1998-2002 Dodge Ram 2500 and Dodge Ram 3500 applications with SD7H15 compressor setups
• Application-specific coverage for Ram 2500 and Ram 3500 HVAC service
• Built for vehicles that require a new compressor-based A/C repair solution

Product Details

Four Seasons 4636N is a PAC-Kit w/ New Compressor for Dodge Ram trucks with the SD7H15 compressor configuration. This kit is listed for 1998-1999 Dodge Ram 2500 and Dodge Ram 3500 models with U4770 or U4775 compressor applications, and for 2000-2002 Dodge Ram 2500 and Dodge Ram 3500 models with SD7H15 compressor applications. If you are searching for a Dodge Ram 2500 A/C compressor kit or a Dodge Ram 3500 HVAC compressor replacement, this part number provides a direct fitment reference for those model years.

This part cross-references U4770 and U4775 for the same application.

Common Repair Uses

• Restores A/C compressor function on Dodge Ram 2500 and Dodge Ram 3500 trucks
• Addresses compressor failure that can stop refrigerant circulation
• Supports repair of weak or inconsistent cabin cooling
• Helps resolve noisy or seized compressor conditions
• Provides a replacement path for SD7H15-equipped truck HVAC systems

Installation Notes

Verify the existing compressor style before ordering, especially on 1998-1999 and 2000-2002 Dodge Ram 2500 and Dodge Ram 3500 trucks. Match the vehicle’s compressor configuration to the listed SD7H15 or U4770/U4775 application notes, and confirm all HVAC components are inspected during service. Use the part number 4636N to confirm the correct Four Seasons PAC-Kit w/ New Compressor application.

Quality Assurance

Four Seasons is a recognized aftermarket brand for HVAC service parts, and this kit is cataloged for specific Dodge Ram truck applications to support accurate replacement selection.