Dayco 4PK938EE Serpentine Belt - Power Steering

Reliable Serpentine Belt for Chrysler, Dodge, Ford, Lincoln, and Mazda

The Dayco 4PK938EE serpentine belt is engineered to meet the demands of various vehicle models including Chrysler Avenger, Dodge Avenger, Ford Edge, Lincoln MKX, and Mazda CX-9. Designed with durable EPDM4 material and a K-section cross section, this belt ensures consistent performance under a wide range of operating temperatures.

• Constructed from EPDM4 material for enhanced durability and flexibility
• Top width of 0.54 inches with 4 straight ribs for efficient power transmission
• Effective length of 938 mm (36.929 inches) suitable for specific accessory drive systems
• Standard rib depth with a straight rib profile for optimal grip and reduced slippage
• Operates reliably between -45°C (-49°F) and 212°F (100°C) temperature range
• Complies with SAE J1459 standards for quality and performance

About the Supersedes E040361 Product Line

The Supersedes E040361 product line by Dayco represents a series of serpentine belts designed to replace previous belt models with improved material composition and dimensional accuracy. The 4PK938EE part number is part of this line, ensuring compatibility and performance upgrades for vehicles requiring this specific belt size and configuration.

Technical Description and Features

This serpentine belt features a K-section cross section with four ribs, providing a balance between flexibility and strength. The EPDM4 material offers resistance to heat, ozone, and wear, making it suitable for accessory drive belt systems in modern vehicles. The belt’s effective length of 938 mm and top width of 0.54 inches are engineered to fit accessory pulleys precisely, reducing the risk of belt slippage or premature wear. Its straight rib profile and standard rib depth contribute to consistent power transfer and quieter operation.

Compatible Vehicles and Common Applications

• Chrysler Avenger accessory drive belt replacement
• Dodge Avenger serpentine belt system maintenance
• Ford Edge accessory drive belt component
• Lincoln MKX serpentine belt replacement
• Mazda CX-9 accessory drive belt system repair

Installation Notes and Tips

When installing the Dayco 4PK938EE serpentine belt, ensure the belt routing matches the vehicle’s accessory drive diagram. Inspect pulleys and tensioners for wear or damage before installation to prevent premature belt failure. Proper tensioning is critical; use a belt tension gauge or follow manufacturer specifications to achieve optimal belt tension. Avoid twisting or forcing the belt during installation to maintain rib integrity.

Quality Assurance and Standards

The Dayco 4PK938EE serpentine belt meets SAE J1459 standards, ensuring it adheres to industry requirements for durability and performance. Manufactured with high-quality EPDM4 material, this belt is designed to withstand temperature extremes from -45°C to 100°C (-49°F to 212°F). While no specific warranty information is provided, Dayco products are generally recognized for consistent quality and reliability in automotive applications.