Dayco 17755 Accessory Drive Belt

Accessory Drive Belt for OE-Style Service

The Dayco 17755 accessory drive belt is built for accessory drive systems that need a precise, durable replacement belt. Made from a synthetic rubber compound with a top-cog construction, it is sized for consistent belt tracking and dependable operation in the accessory drive belt system.

Use this belt when servicing vehicles that call for a 75.50-inch effective length and a 0.53-inch top width. The Dayco 17755 is a black accessory drive belt engineered to meet SAE J636 and SAE J637 standards.

Key Features

• Synthetic rubber compound for everyday accessory drive service
• Top-cog belt construction helps maintain flexibility in the drive path
• 0.53-inch top width for the specified belt routing
• 75.50-inch effective length and 75.76-inch outside circumference
• 36-degree angle specification
• Operating temperature range from -35°F to 175°F
• Meets SAE J636 and SAE J637 standards

Detailed Product Overview

Dayco 17755 is an accessory drive belt intended for vehicles that require this exact belt profile and length. In applications such as Ford F-Series, GM truck, and other belt-driven accessory systems, the correct belt dimensions are critical for proper tension, pulley engagement, and accessory operation. This part cross-references Gates 9755 for the same application.

Because the belt uses a top-cog design, it offers the flexibility needed for routed accessory drives while maintaining the dimensional accuracy expected in OE-style service. If you are replacing a worn belt on a Ford F-Series or similar light- and medium-duty application, the Dayco 17755 provides a direct replacement option based on the listed specifications.

What This Belt Helps Address

• Squealing or chirping from a worn accessory drive belt
• Cracking, glazing, or visible wear on the belt surface
• Loss of accessory drive performance from incorrect belt length
• Belt tracking issues caused by an out-of-spec replacement
• Reduced flexibility in routed belt paths

Installation Notes and Tips

Verify the belt length, width, and angle against the original part before installation. Inspect pulleys, tensioners, and idlers for wear or misalignment, since those conditions can shorten belt life and affect tracking. Confirm the routing matches the vehicle’s accessory drive layout before starting the engine.

Compatible With select Ford F-Series, GM truck, and other applications that specify Dayco 17755 or the listed interchange numbers. For fitment-based searches, this belt is commonly referenced for Ford F-Series accessory drive service and related GM truck belt replacement needs.

Quality Assurance

Dayco manufactures this belt to SAE J636 and SAE J637 standards, supporting consistent dimensional and material requirements for accessory drive service. The synthetic rubber compound and top-cog construction are specified to meet the demands of standard belt-driven engine accessories.