Dayco 5071008 Poly Rib Serpentine Belt - 7-Rib 100.75 Inch

The Dayco 5071008 is a premium poly rib serpentine belt engineered for passenger cars and light-duty trucks that demand reliable performance under high-mileage conditions. This 7-rib belt features an effective length of 100.75 inches (2559mm) and a top width of 0.96 inches, making it ideal for main drive applications.

Advanced W Profile Technology:

Featuring Dayco's innovative W Profile rib design, this serpentine belt represents a significant advancement in belt technology. Developed through extensive laboratory and road testing, the unique rib profile is specifically engineered to conform to high-mileage, worn, or misaligned drives while helping to eliminate noisy belt conditions that plague older drive systems.

Key Features:

• Aramid-reinforced EPDM construction resists cracking and performs better in extreme temperature ranges (-42.7°C to 100°C)
• 7-rib K-section design provides superior grip and power transfer
• 100.75-inch effective length with 101.41-inch outside circumference
• Black EPDM compound with aramid reinforcement for enhanced durability
• Meets SAE J1459 and SAE J2432 industry standards
• Standard rib depth for OE compatibility

OEM Cross-References: Chrysler 53032805AA, 53032805AB | ACDelco 7K1009 | Gates K071009 | Goodyear 4071009 | NAPA 25-071009 | Duralast 1008K7

Built by Dayco, a global leader in automotive belt manufacturing since 1905, this serpentine belt delivers more than just OE-required quality—it provides a proven solution to troublesome drive problems while maximizing engine economy, efficiency, and performance.