Dayco 5070680 Serpentine Belt - Main Drive

Durable Serpentine Belt for Acura RDX, RSX, and TLX

The Dayco 5070680 serpentine belt is engineered to provide reliable performance for Acura RDX, RSX, and TLX models. Constructed with EPDM and aramid reinforcement, this belt offers durability and resistance to wear under various operating conditions.

• Material: EPDM with aramid fiber reinforcement for enhanced strength
• Top Width: 0.96 inches
• Effective Length: 68.00 inches (1727.20 mm)
• Outside Circumference: 68.66 inches (1743.97 mm)
• Rib Quantity: 7 ribs with a straight rib profile
• Cross Section: K-section design for optimal fit and function
• Operating Temperature Range: -45°C to 212°F (-42.7°C to 100°C)
• Meets SAE J1459 and SAE J2432 standards

Technical Details and Construction

This serpentine belt features a K-section cross section with seven straight ribs, designed to maintain consistent contact with pulleys and reduce slippage. The EPDM material combined with aramid reinforcement provides resistance to heat, ozone, and wear, ensuring longevity in demanding engine environments. The belt’s dimensions, including a top width of 0.96 inches and an effective length of 68 inches, are tailored to fit specific accessory drive systems in Acura RDX, RSX, and TLX vehicles.

Compatible Vehicles and Applications

The Dayco 5070680 serpentine belt is compatible with the following Acura models:

• Acura RDX
• Acura RSX
• Acura TLX

This belt is designed for use in accessory drive belt systems, ensuring proper operation of alternators, power steering pumps, air conditioning compressors, and other engine-driven components.

Common Issues Addressed by This Serpentine Belt

• Eliminates belt slippage and squealing noises
• Prevents premature belt wear and cracking
• Maintains consistent accessory drive performance
• Reduces risk of belt failure under high temperature conditions
• Ensures proper tension and alignment in the belt system

Installation Notes and Tips

When installing the Dayco 5070680 serpentine belt, ensure the belt routing matches the vehicle’s accessory drive diagram. Inspect pulleys and tensioners for wear or damage before installation. Proper tensioning is critical to avoid belt slippage or excessive wear. It is recommended to replace the belt tensioner and idler pulleys if they show signs of wear during belt replacement.

Quality Assurance and Warranty

Dayco serpentine belts are manufactured to meet SAE J1459 and SAE J2432 standards, ensuring consistent quality and performance. The EPDM and aramid reinforced construction provides durability under a wide temperature range from -45°C to 212°F. While specific warranty details may vary, Dayco products typically come with a limited warranty against defects in materials and workmanship.