Dayco 17620 Accessory Drive Belt

Overview of Dayco Accessory Drive Belt 17620

The Dayco 17620 accessory drive belt is engineered from a durable synthetic rubber compound designed to withstand a wide range of operating temperatures. This belt is compatible with select Cadillac, Ford, Lincoln, and Mercury vehicles, including models such as the E-250 Econoline Club Wagon, F-250, and Grand Marquis.

• Constructed with top cog belt design for efficient power transmission
• Top width of 0.53 inches ensuring proper fit and tension
• Effective length approximately 62 inches (1574.80 mm) for precise compatibility
• Operates reliably between -37.2°C (-35°F) and 79.4°C (175°F)
• Meets SAE J636 and SAE J637 industry standards for quality and performance
• Black color for standard OEM appearance

Technical Specifications and Features

The Dayco 17620 accessory drive belt features a synthetic rubber compound that provides flexibility and resistance to wear under varying temperature conditions. Its top cog construction enhances grip and reduces slippage on pulleys, contributing to consistent accessory drive performance. The belt’s outside circumference measures approximately 62.27 inches (1581.66 mm), ensuring a precise fit for the specified vehicle models. Designed with a 36-degree angle, this belt maintains optimal contact with accessory pulleys, supporting components such as alternators, power steering pumps, and air conditioning compressors.

Compatible Vehicles and Applications

This accessory drive belt is compatible with a range of vehicles, including:

• Cadillac Fleetwood and Versailles
• Ford E-250 Econoline Club Wagon, E-350 Econoline, F-250, and F-350
• Lincoln Grand Marquis and Town Car
• Mercury Marquis and Monarch

It is designed to replace worn or damaged belts in these models, ensuring reliable accessory drive system operation.

Common Issues Addressed by Dayco 17620 Belt

• Slipping or squealing belts causing accessory malfunction
• Cracked or brittle belts due to age or heat exposure
• Improper belt tension leading to reduced accessory performance
• Wear from exposure to extreme temperatures
• Non-compliance with SAE standards affecting durability

Installation Notes and Tips

When installing the Dayco 17620 accessory drive belt, ensure the belt routing matches the vehicle’s accessory drive diagram. Check pulleys for wear or damage before installation. Proper tensioning is critical; use a belt tension gauge or follow manufacturer specifications to avoid premature wear. Inspect the belt periodically for signs of cracking or glazing to maintain optimal performance.

Quality Assurance and Warranty

Dayco 17620 accessory drive belts are manufactured to meet SAE J636 and J637 standards, ensuring consistent quality and durability. The synthetic rubber compound and top cog construction contribute to extended service life under normal operating conditions. Warranty coverage details should be confirmed with the original equipment manufacturer or authorized distributor.