Dayco 5070646 Poly Rib Serpentine Belt - 7-Rib 64.57 Inch

The Dayco 5070646 Poly Rib serpentine belt is engineered to deliver superior performance in high-mileage and demanding drive systems. This 7-rib belt features an effective length of 64.57 inches and is constructed with aramid-reinforced EPDM compounds designed to resist cracking while performing in extreme temperature ranges from -45°F to 212°F.

Key Features:

• Aramid-reinforced EPDM rubber construction for enhanced durability and quiet operation
• Advanced W-profile rib design engineered to conform to worn or misaligned pulleys
• 7-rib configuration with K-section cross profile for optimal power transmission
• 64.57-inch effective length with 65.13-inch outside circumference
• 0.96-inch top width for proper pulley engagement
• Meets or exceeds SAE J1459 and SAE J2432 specifications
• Noise-resistant aramid fibers embedded in rubber compound reduce belt squeal

This premium serpentine belt is designed to provide reliable, long-lasting performance while minimizing noise in worn or misaligned drive systems. The advanced EPDM compound delivers exceptional flexibility and extended service life, making it ideal for modern vehicles with high accessory loads. Cross-references to Honda OEM 56992-RNA-A12, Goodyear 1070646, and metric designation 7PK1640.