Four Seasons 33904 A/C Receiver Drier

Reliable Four Seasons Filter Drier for Automotive A/C Systems

The Four Seasons Filter Drier 33904 is engineered to maintain the efficiency and longevity of your vehicle's air conditioning system. Designed with durable steel construction and integrated desiccant material, this A/C receiver drier helps protect your system from moisture and contaminants.

• Constructed from robust steel for durability
• Includes non-replaceable desiccant to absorb moisture
• Male insert o-ring inlet and outlet fittings for secure connections
• Body dimensions: 2.5 inches diameter, 8.12 inches length
• Includes green O-rings (part number 24606) for proper sealing
• Meets or exceeds OEM specifications for reliable performance
• Gaskets and seals included for installation

Four Seasons Filter Drier Product Line Overview

The Four Seasons Filter Drier line focuses on providing high-quality A/C accumulator and receiver driers designed to protect automotive air conditioning systems from moisture and debris. The 33904 part number is part of this line, offering a steel body and integrated desiccant to ensure system cleanliness and prevent corrosion, which is critical for maintaining optimal A/C performance in vehicles such as Ford F-150, Chevrolet Silverado, and Toyota Tacoma models.

Product Details and Specifications

This A/C receiver drier features a steel body with a 2.5-inch diameter and an overall length of 8.12 inches (206.25 mm). It includes a male insert o-ring inlet and outlet fitting type with a diameter of 3/8 inch (0.375 inches or 9.525 mm), ensuring compatibility with many automotive A/C systems. The desiccant inside is not replaceable but effectively removes moisture from the refrigerant to prevent system damage. The unit does not include a moisture indicator window or fuse plug, and it comes without a mounting bracket. Two green O-rings (part number 24606) are included to ensure a proper seal during installation.

Common Applications and Problem Solving

• Prevents moisture buildup that can cause corrosion in A/C components
• Filters out debris and contaminants from refrigerant flow
• Helps maintain consistent cooling performance in vehicle A/C systems
• Reduces risk of compressor failure due to contaminated refrigerant
• Supports proper refrigerant flow in Ford F-150, Chevrolet Silverado, and Toyota Tacoma air conditioning systems

Installation Notes and Tips

When installing the Four Seasons Filter Drier 33904, ensure the male insert o-ring fittings are properly seated with the included green O-rings to prevent leaks. Verify that the drier orientation matches the system flow direction. Since this unit does not include a mounting bracket, use the existing bracket or secure mounting points in the vehicle’s A/C system. Always evacuate and recharge the A/C system according to manufacturer specifications after installation.

Quality Assurance and Warranty

The Four Seasons Filter Drier 33904 is a new, OEM-quality replacement part that meets or exceeds original equipment manufacturer standards. It is manufactured to provide reliable performance and durability in automotive air conditioning systems. Warranty coverage details should be confirmed with the point of purchase or manufacturer documentation.