Dayco 15645 Accessory Drive Belt

Durable Accessory Drive Belt for Select Buick and Dodge Models

The Dayco 15645 accessory drive belt is engineered to provide reliable performance for a range of vehicles including Buick, Cadillac, Chrysler, Dodge, Oldsmobile, Pontiac, and Rolls-Royce models. Constructed from a synthetic rubber compound, this belt is designed to withstand varying operating temperatures while maintaining optimal functionality.

• Material: Synthetic rubber compound for durability and flexibility
• Top width: 0.44 inches ensuring precise fitment
• Effective length: Approximately 64.5 inches (1638.30 mm)
• Outside circumference: Approximately 65.07 inches (1652.78 mm)
• Belt construction: Top cog design for improved grip and reduced slippage
• Operating temperature range: -37.2°C to 79.4°C (-35°F to 175°F)
• Meets SAE J636 and SAE J637 standards for quality and performance

Technical Overview of Dayco 15645 Accessory Drive Belt

This accessory drive belt features a top cog construction that enhances flexibility and reduces heat buildup during operation. The synthetic rubber compound material offers resistance to wear and environmental factors, making it suitable for long-term use in demanding engine conditions. With a top width of 0.44 inches and an effective length of 64.5 inches, the belt fits precisely within the accessory drive system, ensuring consistent power transmission to engine components.

Compatible Vehicles and Applications

The Dayco 15645 belt is compatible with a variety of classic and modern vehicles, including Buick Century, Regal, and Roadmaster; Cadillac DeVille and Eldorado; Chrysler Town & Country; Dodge Charger, Dart, and Ramcharger; Oldsmobile Cutlass and Delta 88; Pontiac Tempest and Grand Prix; as well as Rolls-Royce Phantom models. This part number is specifically designed to meet the accessory drive requirements of these vehicles, providing a reliable replacement option.

• Replaces worn or cracked accessory drive belts
• Addresses belt slippage and squealing issues
• Prevents overheating caused by belt failure
• Restores proper operation of alternator, power steering, and air conditioning systems
• Improves engine accessory efficiency and longevity

Installation Notes and Tips

When installing the Dayco 15645 accessory drive belt, ensure the belt tensioner is properly adjusted to avoid premature wear. Inspect pulleys and tensioners for damage or misalignment before installation. It is recommended to replace the belt in conjunction with other drive system components if signs of wear are present. Follow vehicle-specific service manual instructions for torque specifications and routing diagrams.

Quality Assurance and Standards Compliance

Dayco 15645 accessory drive belt complies with SAE J636 and SAE J637 standards, ensuring it meets industry requirements for durability and performance. The belt’s synthetic rubber compound and top cog construction contribute to its ability to operate effectively within a temperature range from -37.2°C to 79.4°C (-35°F to 175°F). While no specific warranty information is provided, Dayco products are generally manufactured to meet OEM quality standards.