Four Seasons 38898 A/C Expansion Valve

Reliable A/C Expansion Valve for Saturn Models

The Four Seasons Expansion Valve 38898 is engineered to regulate refrigerant flow in your vehicle's air conditioning system. Designed specifically for Saturn SC, SC1, SC2, SL, SL1, SL2, SW1, and SW2 models, this aluminum block-type valve ensures precise temperature control and system efficiency.

• Constructed from durable aluminum material
• Compatible with R134a refrigerant systems
• Block type design with 2 mounting holes for secure installation
• Female suction and liquid inlet/outlet fittings with flange and O-ring seals
• Meets or exceeds OEM specifications for reliable performance

About the Four Seasons Expansion Valve Product Line

The Expansion Valve product line by Four Seasons focuses on delivering accurate refrigerant metering components for automotive HVAC systems. This line includes block-type valves like part number 38898, designed to maintain optimal refrigerant flow and pressure. The valves are engineered to fit specific vehicle applications, such as Saturn models, ensuring compatibility and system integrity.

Detailed Product Description

Part number 38898 features a block-type aluminum construction that provides durability and corrosion resistance. It is designed for use with R134a refrigerant, common in many Saturn air conditioning systems. The valve includes two mounting holes for secure attachment and features female suction inlet and outlet fittings with No. 10 and No. 12 thread diameters respectively, both non-threaded. Liquid inlet and outlet fittings are also female with flange-style connections and O-ring seals, sized at No. 6 and No. 8 thread diameters. The liquid inlet size measures 0.53 inches (13.5 mm), while the liquid outlet size is 0.29 inches (7.4 mm). The inclusion of green O-rings ([24610] and [24629]) ensures a tight seal to prevent refrigerant leaks.

Common Applications and Issues Addressed

• Restores proper refrigerant flow in Saturn SC and SL series A/C systems
• Resolves inconsistent cabin cooling or fluctuating temperatures
• Eliminates refrigerant leaks caused by worn or damaged expansion valves
• Prevents compressor damage due to improper refrigerant metering
• Improves overall HVAC system efficiency and reliability

Installation Notes and Tips

• Ensure compatibility with Saturn SC, SC1, SC2, SL, SL1, SL2, SW1, and SW2 models before installation
• Use proper tools to avoid damaging the aluminum valve body or fittings
• Replace O-rings with the included green O-rings to maintain a secure seal
• Follow manufacturer torque specifications for mounting bolts
• Check the A/C system for leaks and proper refrigerant charge after installation

Quality Assurance and Warranty

The Four Seasons Expansion Valve 38898 meets or exceeds OEM standards, ensuring reliable performance and durability. Manufactured with precision aluminum and designed for R134a refrigerant systems, this valve is backed by Four Seasons' commitment to quality. Warranty details should be confirmed with the product documentation or supplier.