Dayco 5060555 Poly Cog Serpentine Belt - 6-Rib 55.5 Inch

The Dayco 5060555 Poly Cog serpentine belt is a premium 6-rib accessory drive belt engineered for high-mileage passenger cars and light-duty trucks. This heavy-duty belt features Dayco's innovative W Profile rib design with transverse grooves that provide superior performance and extended service life compared to conventional serpentine belts.

Key Features:

• 6-rib design with 55.5-inch pitch length (56.17-inch outside circumference)
• Poly Cog grooved construction runs up to 50°F cooler and reduces rib cracking by 40%
• Aramid-reinforced EPDM compound resists cracking in extreme temperatures
• Engineered to conform to high-mileage, worn, or misaligned drives
• Grooved design provides flexural stress relief for increased flexibility
• 0.84-inch belt width (21.3mm) with 0.17-inch thickness
• Industry number: 6PK1410

Constructed with more polyester cords per inch than conventional belts, this Poly Cog serpentine belt delivers exceptional tensile strength and length stability essential for proper drive system tension. The transverse groove design minimizes harmonic squeal while the heavy-duty EPDM construction withstands harsh under-hood environments. Cross-references include AC Delco 6K555, Gates K060555, Goodyear 4060555, Bando 6PK1410, and numerous OEM part numbers for Chrysler, GM, Mercedes-Benz, Porsche, and other manufacturers.