Dayco 5081346 Serpentine Belt - Main Drive

Dayco 5081346 Serpentine Belt for Ford Super Duty

The Dayco 5081346 serpentine belt is built for accessory drive service on Ford Super Duty trucks with single alternator systems. It uses EPDM construction with aramid reinforcement to support consistent belt tracking and durable operation across a wide temperature range.

Key Features

• EPDM, aramid reinforced construction for strength and wear resistance
• 8-rib K-section design for accessory drive applications
• Black belt with straight rib profile
• Effective length: 134.65 in. (3420.11 mm)
• Outside circumference: 135.21 in. (3434.34 mm)
• Top width: 1.10 in.
• Operating temperature range: -45°F to 212°F
• Built to SAE J1459 and SAE J2432 standards

Detailed Description

Dayco 5081346 is a serpentine belt for the main drive system on Ford F-250 Super Duty and Ford F-350 Super Duty trucks. It is listed for 2020-2026 Ford F-250 Super Duty, Main Drive, Single Alt., and 2020-2026 Ford F-350 Super Duty, Main Drive, Single Alt. It also fits 2012-2017 Ford F-250 Super Duty and 2012-2017 Ford F-350 Super Duty with single alternator systems. This part cross-references Gates K081348 and ACDelco 8K1348 for the same application.

For buyers searching for a Ford F-250 Super Duty serpentine belt, Ford F-350 Super Duty accessory drive belt, or Dayco 5081346 replacement belt, this part matches the listed K-section, 8-rib configuration and length specifications needed for the confirmed applications.

Common Issues This Belt Can Address

• Squealing or chirping from a worn accessory drive belt
• Cracking, glazing, or rib wear on the existing belt
• Loss of proper drive to alternator and other belt-driven accessories
• Belt stretch or incorrect tension from age and heat cycling
• Service replacement for confirmed single alternator Ford Super Duty applications

Installation Notes and Tips

Verify the vehicle is equipped with a single alternator system before ordering. Match the rib count, effective length, and outside circumference to the original belt specification. Inspect pulleys, tensioner operation, and accessory alignment during installation so the new belt tracks correctly on the main drive system.

Quality Assurance

This Dayco serpentine belt is manufactured to SAE J1459 and SAE J2432 standards and uses EPDM with aramid reinforcement for demanding accessory drive service.