New Dayco Poly Rib serpentine belt, part number 5060860 / 6PK2185S. EPDM construction with aramid reinforcement for long life and quiet, slip-free operation. Effective length 86.02 in (2184.91 mm), outside circumference 86.68 in, 6-rib W-profile / K-section, top width 0.82 in, thickness 0.17 in. Meets SAE J1459 and SAE J2432 standards.
Compatibility (5060860 / 6PK2185) ā cross-reference numbers:
- Bando: 6PK2185
- Gates: K060860, K060860HD
- CARQUEST: K060860, K060860HD
- NAPA: 25-060860, 25-76086
- Motorcraft: JK6-866
- Goodyear: 4060858, 4060860
- Duralast / Driveworks / Freshstart: 860K6
- ContiTech: PK060860
- Ford, GM, Chrysler OE part numbers also cross-reference (varies by model/year)
Known factory fitments include several late-1980sā1990s Ford, GM, Chrysler, and Cadillac models (e.g., Mercury Capri, Cadillac DeVille/Eldorado/Commercial Chassis). If you tell me your specific vehicle (make/model/year), I can confirm whether this exact belt fits it.






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