Dayco 22770 Accessory Drive Belt - Air Brake Compressor or Fan and Air Brake Compressor

Durable Dayco Accessory Drive Belt 22770 Overview

The Dayco 22770 accessory drive belt is engineered with a synthetic rubber compound designed to withstand a wide range of operating temperatures. This black, double cog belt offers reliable performance for various automotive applications, including many common makes and models requiring precise belt specifications.

• Constructed from high-quality synthetic rubber compound for durability
• Top width of 0.69 inches for optimal fit and tension
• Effective length approximately 77 inches (1955.80 mm) for accurate compatibility
• Double cog belt construction enhances flexibility and grip
• Operates efficiently between -35°C to 175°C (-37.2°F to 347°F)
• Meets SAE J636 and SAE J637 industry standards for quality and performance

Technical Details and Construction

The Dayco 22770 accessory drive belt features a double cog design that improves bending flexibility and reduces heat buildup during operation. Its synthetic rubber compound material ensures resistance to wear, cracking, and heat degradation, making it suitable for demanding engine environments. The belt’s outside circumference measures approximately 77.64 inches (1972.06 mm), with a 38-degree angle profile that supports efficient power transmission. This belt is not banded, which allows for easier routing and installation in various accessory drive systems.

Compatible Vehicles and Applications

This accessory drive belt is compatible with a range of vehicles requiring a 0.69-inch top width and an effective length near 77 inches. It is commonly used in automotive accessory drive systems to power alternators, water pumps, power steering pumps, and air conditioning compressors. The Dayco 22770 is suitable for vehicles from multiple manufacturers that specify belts meeting SAE J636 and J637 standards.

• Replaces worn or damaged accessory drive belts
• Addresses slipping or squealing belt issues
• Prevents belt cracking and premature failure
• Ensures proper tension and accessory function
• Maintains engine accessory performance under temperature extremes

Installation Notes and Tips

When installing the Dayco 22770 accessory drive belt, ensure the belt routing matches the vehicle manufacturer’s specifications. Check pulleys and tensioners for wear or damage before installation. Proper tension adjustment is critical to prevent belt slippage or excessive wear. Use appropriate tools to avoid damaging the belt during installation, and verify alignment to extend belt life.

Quality Assurance and Standards Compliance

Dayco 22770 accessory drive belts comply with SAE J636 and SAE J637 standards, ensuring consistent quality and performance. The belt’s synthetic rubber compound and double cog construction provide durability under a wide temperature range from -35°C to 175°C (-37.2°F to 347°F). While no specific warranty information is provided, Dayco products are manufactured to meet rigorous automotive industry requirements.