Four Seasons 83378 A/C Receiver Drier / Desiccant Element

Four Seasons 83378 Desiccant Bag Kit

The Four Seasons 83378 desiccant bag kit is a direct-fit A/C receiver drier desiccant element for select Audi and Volkswagen applications. It uses a cloth desiccant bag design with an included gasket or seal and a plug, making it a practical service part for Keihin and Showa A/C systems.

Built for HVAC service work, this Four Seasons Dessicant Bag Kit is specified for direct fitment and is sized for the receiver drier/desiccant element location used in supported vehicles. If you are replacing a worn A/C desiccant bag on an Audi Q3, Volkswagen Jetta, or Volkswagen Tiguan, part number 83378 is the type of service component commonly used in that repair.

Key Features

• Direct-fit A/C receiver drier / desiccant element
• Cloth construction with white finish
• Outside diameter: 1.000 in.
• Desiccant length: 11.41 in.
• Desiccant weight: 45.5 grams
• Gasket or seal included
• Filter drier desiccant bag kit with plug
• Four Seasons 83378 part number for identification and ordering

Detailed Description

The Four Seasons Dessicant Bag Kit line is focused on HVAC service parts for receiver drier and desiccant element replacement. This 83378 kit is a direct-fit solution for vehicles equipped with Keihin or Showa A/C systems, and it is listed across a wide range of Audi and Volkswagen models from 2015 through 2025. Cross-reference part numbers include Dorman - HELP 83378 and Nissens 95598 for the same application.

Compatible vehicle coverage includes Audi A3, A3 Quattro, Q3, S3, TT Quattro, and TTS Quattro, along with Volkswagen Jetta, Golf, GTI, Golf R, Tiguan, Taos, Arteon, Golf SportWagen, Golf Alltrack, and Tiguan Limited applications shown in the fitment data. For buyers searching by vehicle, this is a direct-fit A/C desiccant bag kit for Audi A3 and Volkswagen Jetta HVAC service.

What It Helps Address

• Moisture contamination inside the A/C system
• Reduced receiver drier desiccant performance
• Service replacement during A/C repair or compressor work
• HVAC system maintenance on Keihin or Showa-equipped vehicles
• Restoring proper desiccant function in the receiver drier assembly

Installation Notes and Tips

• Verify the A/C system manufacturer before ordering; fitment is listed for Keihin and Showa systems on specific vehicles.
• Match the vehicle year, make, and model exactly to the fitment list for correct application.
• Inspect the receiver drier housing and sealing surfaces before installation.
• Replace the desiccant element during A/C service when the system has been opened to air or moisture.
• Confirm the part number 83378 against the original component before installation.

Quality Assurance

Four Seasons supplies HVAC service components for automotive A/C repair, and this desiccant bag kit is cataloged as a direct-fit replacement part for the listed Audi and Volkswagen applications. Part number 83378 is supported by published fitment data and cross-reference listings for application matching.