Dayco 5071213 Serpentine Belt - Main Drive

Serpentine Belt for Transit Main Drive

Dayco 5071213 is a serpentine belt for the main drive system on select Ford Transit vans. Built with EPDM and aramid reinforcement, it is specified for consistent accessory drive performance across a wide temperature range.

Key Features

• EPDM construction with aramid reinforcement for strength and durability
• 7-rib K-section profile with straight rib design
• Top width: 0.96 in.
• Effective length: 121.338 in. (3081.99 mm)
• Outside circumference: 121.897 in. (3096.19 mm)
• Black finish
• Operating temperature range: -45°F to 212°F
• Meets SAE J1459 and SAE J2432 standards

Detailed Description

This Dayco serpentine belt, part number 5071213, is engineered for the main drive application on Ford Transit-150, Transit-250, Transit-350, and Transit-350 HD models. The 7-rib K-section layout and straight rib profile support stable belt tracking in accessory drive systems, while the EPDM compound and aramid reinforcement add resistance to wear and stretching. If you are replacing a worn Ford Transit serpentine belt, Dayco 5071213 provides the correct dimensions and construction for the listed applications.

Compatible With 2015-2019 Ford Transit-150, Main Drive; 2015-2019 Ford Transit-250, Main Drive; 2015-2019 Ford Transit-350, Main Drive; and 2015-2019 Ford Transit-350 HD, Main Drive. For buyers searching for a Ford Transit serpentine belt or Dayco 5071213 replacement, this belt matches the specified fitment and accessory drive configuration.

What It Helps Address

• Squealing or slipping from a worn accessory drive belt
• Cracking, glazing, or fraying on the existing belt
• Loss of proper belt tension and tracking
• Accessory drive noise caused by belt wear
• Replacement needs for main drive service on Ford Transit vans

Installation Notes and Tips

Verify belt routing against the vehicle’s underhood diagram before installation. Inspect pulleys, tensioners, and idlers for wear or misalignment, since belt condition and drive component condition work together in the accessory drive system. Confirm the application by model year and main drive position before ordering Dayco 5071213.

Quality Assurance

Dayco manufactures this belt to SAE J1459 and SAE J2432 standards, with EPDM and aramid reinforcement selected for demanding accessory drive service. Part number 5071213 is built for the listed Ford Transit applications and the specified operating temperature range.