Dayco 17490DR Top Cog V-Belt 49 Inch Cogged Accessory Drive Belt

The Dayco 17490DR is a premium cogged V-belt designed for automotive and light truck accessory drive applications. This belt features a 49-inch length and incorporates cogs in its top, providing additional flexibility around small pulleys while the increased surface area results in a cooler running belt for prolonged service life.

Key Features:

• Unique laminated construction that helps absorb greater shock loads associated with diesel engines
• Outside circumference of 49.27 inches with 0.53-inch top width
• Synthetic rubber compound construction for durability and heat resistance
• Black finish with cogged design for enhanced flexibility
• Top Cog construction reduces heat buildup during operation

Technical Specifications:

• Effective Length: 49 inches
• Belt Section: AW-17
• Outside Circumference: 49.27 inches (1251.46 mm)
• Top Width: 0.53 inches (13.46 mm)
• Material: Synthetic rubber compound
• Color: Black

This accessory drive belt is engineered to power components such as alternators, power steering pumps, water pumps, and air conditioning compressors. The cogged design allows for improved heat dissipation and flexibility, making it ideal for both standard automotive and heavy-duty diesel applications. Cross-references include Gates 13A1245, ACDelco 17490, Goodyear 17491, and other equivalent part numbers.