Four Seasons 33137 A/C Accumulator

Overview of Four Seasons Accumulator 33137 for Chevrolet and GMC

The Four Seasons Accumulator 33137 is designed specifically for Chevrolet Astro and GMC Safari vehicles. This A/C accumulator plays a critical role in maintaining the efficiency and reliability of your vehicle's air conditioning system by filtering moisture and debris.

• Compatible with Chevrolet Astro and GMC Safari models
• Part number 33137 ensures precise fit and function
• Constructed from durable aluminum material
• Includes service port and switch port for easy maintenance
• Body diameter of 3.5 inches and length of 9 inches for exact OEM replacement
• Female o-ring inlet fitting and male insert o-ring outlet fitting
• Meets or exceeds OEM specifications for reliable performance

Detailed Product Features and Specifications

The Four Seasons Accumulator 33137 is a complete unit designed to integrate seamlessly with the HVAC system of Chevrolet Astro and GMC Safari vehicles. It features a 3.5-inch body diameter (88.9 mm) and a 9-inch length (228.6 mm), constructed from aluminum to resist corrosion and wear. The inlet fitting is a female o-ring type with a 5/8-inch diameter and M27x2.000 thread size, while the outlet fitting is a male insert o-ring with the same diameter and thread size, ensuring a secure and leak-free connection.

This accumulator includes a switch port with a diameter of 0.472 inches (12 mm), allowing for easy integration with the vehicle’s A/C pressure switch. The unit comes with green o-rings ([24676] and [24612]) to ensure proper sealing during installation. Note that mounting hardware is not included.

About the Four Seasons Accumulator Product Line

The Four Seasons Accumulator product line is engineered to provide reliable moisture and debris filtration within automotive A/C systems. This line focuses on delivering components that meet or exceed OEM standards, ensuring compatibility and durability. The 33137 accumulator is part of this line, offering a complete unit designed for specific vehicle applications such as the Chevrolet Astro and GMC Safari.

Common Applications and Issues Addressed

• Prevents moisture buildup that can damage the A/C compressor
• Filters debris to protect the HVAC system components
• Helps maintain consistent refrigerant flow and pressure
• Reduces risk of system contamination and corrosion
• Supports efficient air conditioning performance in Chevrolet Astro and GMC Safari vehicles

Installation Notes and Tips

• Ensure compatibility with Chevrolet Astro and GMC Safari models before installation
• Use the included green o-rings for proper sealing; replace any worn or damaged seals
• Verify that the inlet and outlet fittings match the vehicle’s A/C lines (female o-ring inlet, male insert o-ring outlet)
• Check the switch port connection for proper fit with the vehicle’s pressure switch
• Mounting hardware is not included; use appropriate brackets and fasteners as required

Quality Assurance and Warranty Information

The Four Seasons Accumulator 33137 meets or exceeds OEM specifications, ensuring reliable performance and durability. Manufactured from corrosion-resistant aluminum, this part is built to withstand the demands of automotive HVAC systems. While specific warranty details are not provided, Four Seasons products typically come with a limited warranty covering defects in material and workmanship.