Dayco 5100746 Serpentine Belt

Dayco 5100746 Serpentine Belt Overview

The Dayco 5100746 serpentine belt is built for accessory drive systems that need stable grip, consistent tracking, and durable construction. Made from EPDM with aramid reinforcement, it is engineered for long service life in demanding engine bay temperatures.

For Volvo accessory drive belt replacement needs, this belt matches the K-section profile and 10-rib layout used in specific applications. The Dayco 5100746 is a direct-fit serpentine belt option for owners searching for a Volvo serpentine belt replacement with OE-style dimensions.

Key Features

• EPDM construction for heat and wear resistance
• Aramid reinforced for added tensile strength
• 10-rib, straight rib design for secure pulley engagement
• K-section cross section for specified accessory drive systems
• Black finish with standard rib depth
• Built to SAE J1459 and SAE J2432 standards
• Effective length: 1895.00 mm (74.606 in.)
• Outside circumference: 1909.20 mm (75.165 in.)

Detailed Description

This serpentine belt is sized for accessory drive applications that require a 1.38-inch top width, 10 ribs, and an effective length of 1895.00 mm. The EPDM rubber compound helps resist cracking and glazing, while aramid reinforcement adds strength for consistent operation under load. The Dayco 5100746 is a practical choice for drivers looking for a Volvo 5100746 belt replacement or a Gates K100745 cross-reference for the same application.

It is specified for operating temperatures from -45°F to 212°F, making it suitable for a wide range of climates and engine bay conditions. If you are replacing a worn Volvo accessory drive belt, this part number helps restore proper belt routing and pulley contact in the original system design.

What This Belt Helps Address

• Squealing or chirping from a worn serpentine belt
• Cracking, glazing, or fraying on the belt surface
• Loss of accessory drive performance from belt slip
• Improper belt tracking caused by wear or stretch
• Reduced reliability in high-heat engine environments

Installation Notes and Tips

Verify belt routing against the vehicle’s accessory drive diagram before installation. Inspect pulleys, tensioners, and idlers for wear or misalignment, since those conditions can shorten belt life. Confirm the required length, rib count, and K-section profile match the original specification before installing the Dayco 5100746.

Compatible With Volvo applications that use this exact belt specification, including Volvo 21372808 interchange references. For fitment-based searches, this is the type of Volvo serpentine belt replacement commonly selected when the original belt number is 5100746.

Quality Assurance

Dayco manufactures this belt to SAE J1459 and SAE J2432 standards, supporting consistent material and performance requirements for accessory drive service.