Four Seasons 83021 A/C Refrigerant Suction Hose

Overview of Four Seasons Accumulator 83021

The Four Seasons Accumulator 83021 is designed for reliable performance in automotive HVAC systems. Specifically engineered for Ford and Lincoln vehicles, this A/C refrigerant suction hose assembly supports efficient air conditioning operation using R134a refrigerant.

• Compatible with Ford Blackwood, Expedition, F-150, F-150 Heritage, F-250, and Lincoln Navigator
• Accumulator body length: 8.5 inches (215.9 mm)
• Body diameter: 3.5 inches (88.9 mm)
• Constructed from durable aluminum material
• Includes A/C refrigerant suction hose assembly without mounting bracket or muffler
• Inlet and outlet size: 3/4 inch (19.05 mm) with male springlock inlet and P-nut fitting outlet
• Equipped with multiple O-rings for secure sealing
• Meets or exceeds OEM specifications

Four Seasons Accumulator Product Line Details

The Four Seasons Accumulator product line focuses on components that regulate refrigerant flow and moisture removal within vehicle A/C systems. This accumulator with hose assembly is designed to maintain system integrity and protect the compressor by capturing excess liquid refrigerant. The 83021 part number represents a precise fit for select Ford and Lincoln models, ensuring compatibility and reliable HVAC performance.

Technical Description and Specifications

This accumulator assembly features an 8.5-inch aluminum body with a 3.5-inch diameter, optimized for durability and heat dissipation. The inlet uses a 3/4 inch male springlock fitting, while the outlet is a 3/4 inch P-nut fitting with an M8x1.500 thread size. The assembly includes one spring O-ring and multiple green and black O-rings to ensure leak-free connections. It is designed without a mounting bracket, manifold, or muffler, simplifying installation in compatible vehicles. The service port is a quick disconnect type, facilitating maintenance and refrigerant charging.

Applications and Common Issues Addressed

• Prevents liquid refrigerant from entering the compressor, avoiding damage
• Removes moisture and contaminants from the A/C system
• Maintains proper refrigerant flow and pressure in Ford and Lincoln HVAC systems
• Replaces worn or leaking accumulator hoses in Ford F-150, Expedition, and Lincoln Navigator models
• Supports efficient cooling performance in vehicles using R134a refrigerant

Installation Notes and Tips

Installation requires verifying compatibility with the specific Ford or Lincoln model. The accumulator assembly mounts without a bracket, so ensure secure positioning within the HVAC system. Use the included O-rings to prevent leaks and confirm all connections are tight. The quick disconnect service port allows for easy refrigerant servicing. It is recommended to evacuate and recharge the A/C system following installation to maintain optimal performance.

Quality Assurance and Warranty

The Four Seasons Accumulator 83021 meets or exceeds OEM standards for fit, form, and function. Manufactured from aluminum for corrosion resistance and durability, this part is engineered to provide consistent HVAC system performance. While specific warranty details are not provided, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship.