Premium Guard PA99390 Engine Air Filter

Overview of Premium Guard PA99390 Engine Air Filter

The Premium Guard PA99390 engine air filter is designed specifically for select Mercedes-Benz models, including the E250, GLE300d, GLK250, and ML250. This filter features an irregular shape with precise dimensions to ensure a proper fit and optimal air filtration performance.

• Inside diameter: 2.99 inches
• Outside diameter: 3.82 inches
• Irregular shape tailored for specific engine compartments
• Side A length: 13.78 inches
• Side B length: 6.93 inches
• Side C length: 3.74 inches

Detailed Product Description

The Premium Guard PA99390 engine air filter is engineered to meet the exact specifications required by Mercedes-Benz vehicles such as the E250, GLE300d, GLK250, and ML250. Its irregular shape and carefully measured dimensions—2.99 inches inside diameter, 3.82 inches outside diameter, and side lengths of 13.78, 6.93, and 3.74 inches—allow it to fit securely within the air intake system. This precise fit helps maintain proper airflow while effectively filtering out dust, dirt, and other airborne contaminants that can affect engine performance and longevity.

Compatible Vehicles and Applications

• Designed for Mercedes-Benz E250 engine air filtration needs
• Compatible with Mercedes-Benz GLE300d air intake systems
• Fits Mercedes-Benz GLK250 models requiring this specific filter size
• Suitable for Mercedes-Benz ML250 air and fuel delivery systems
• Helps maintain engine efficiency and reduce wear caused by contaminants

Installation Notes and Tips

When installing the Premium Guard PA99390 engine air filter, ensure the filter is seated properly within the air box to prevent unfiltered air bypass. Verify the irregular shape aligns with the air intake housing contours. Regular inspection and replacement according to the vehicle manufacturer’s maintenance schedule will help maintain optimal engine performance.

Quality Assurance and Warranty

Premium Guard engine air filters are manufactured to meet industry standards for filtration and durability. While specific warranty details for part number PA99390 are not provided, Premium Guard products typically adhere to quality control processes to ensure reliable performance in Mercedes-Benz vehicles.