Four Seasons 54133 A/C Evaporator Core

Overview of Four Seasons Evaporator Core 54133

The Four Seasons Evaporator Core 54133 is designed specifically for select Mercedes-Benz models, including the 300SD, 300SDL, 300SE, 300SEL, 350SD, 350SDL, 380SE, 380SEC, 380SEL, 420SEL, 500SEC, 500SEL, 560SEC, and 560SEL. This A/C evaporator core ensures efficient cooling performance by effectively managing refrigerant flow within the vehicle's HVAC system.

• Compatible with multiple Mercedes-Benz models from the 300 to 560 series
• Dimensions: 7.25 inches width, 20 inches height, and 3.25 inches depth
• Constructed from durable aluminum material for corrosion resistance
• Tube and fin design for optimal heat exchange
• Inlet and outlet fittings feature male insert o-rings with No. 8 and No. 10 outside diameters
• Includes green o-rings ([24608] and [24610]) for secure sealing

Four Seasons Evaporator Core Product Line Details

The Four Seasons Evaporator Core product line focuses on delivering reliable HVAC components that meet or exceed OEM specifications. The 54133 evaporator core is part of this line, offering precise fitment and consistent performance for Mercedes-Benz vehicles. Its aluminum construction and tube & fin design contribute to efficient refrigerant cooling and long service life.

Detailed Product Description

This A/C evaporator core measures 7.25 inches in width, 20 inches in height, and 3.25 inches in depth, providing a precise fit for the specified Mercedes-Benz models. The core depth of 3-1/4 inches (82.55 mm) and height of 20 inches (508 mm) ensure compatibility with the vehicle’s HVAC housing. The inlet fitting has a No. 8 outside diameter with a male insert o-ring, while the outlet fitting has a No. 10 outside diameter, also with a male insert o-ring. These fittings use green o-rings ([24608] and [24610]) to maintain a secure, leak-free connection. The aluminum tube and fin construction enhances heat transfer efficiency and resists corrosion, supporting consistent air conditioning performance.

Common Applications and Issues Addressed

• Replacement for faulty or leaking evaporator cores in Mercedes-Benz 300SD, 300SDL, 300SE, and related models
• Restores proper cooling function when A/C airflow is weak or inconsistent
• Resolves refrigerant leaks caused by corrosion or physical damage
• Eliminates unpleasant odors from mold or mildew buildup inside the evaporator
• Improves overall HVAC system efficiency and cabin comfort

Installation Notes and Tips

• Ensure compatibility with your specific Mercedes-Benz model before installation
• Inspect and replace O-rings to prevent refrigerant leaks
• Handle the aluminum core carefully to avoid damage to fins and tubes
• Flush the HVAC system to remove debris before installing the new evaporator core
• Professional installation is recommended due to the complexity of HVAC system components

Quality Assurance and Warranty

The Four Seasons Evaporator Core 54133 is manufactured to meet strict quality standards, using corrosion-resistant aluminum and precision fittings. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship. Verify warranty terms with the product documentation or supplier.