Dayco 5060550 Serpentine Belt

Part Number
Serpentine Belt

Fits: 05-09 Ford Escape, 06-09 Mercury Mariner, 08-09 Mazda Tribute, 11-21 Ford F-150, 15-17 Ford Expedition, 15-21 Ford Transit-150, 15-21 Ford Transit-250, 15-21 Ford Transit-350, 15-21 Ford Transit-350 HD, 15-17 Lincoln Navigator, 20 Ford Explorer, 20-21 Ford Police Interceptor Utility

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Designed for high mileage multiple-accessory drivesthe Dayco® “W” profile belt (patent pending) is the most innovative advancement in multi-rib belt design in over 25 years. Developed through extensive laboratory and actual road mileage testing, this unique rib profile has been specifically Dayco® engineered to conform to high mileage, worn or misaligned drives without a sacrifice in quiet, long-lasting performance. The "W" profile cut into the tip of each rib makes the tip more flexible and eliminates belt chirp when the belt enters a worn or misalligned pulley. Constructed with Aramid reinforced EPDM compounds, the Dayco® “W” profile belt delivers more than OE required delivers the solution to troublesome drive problems. Dayco® Poly-Rib® Belts meet or exceed SAE J1459 and SAE J2432 specifications.

BRAND: Dayco




Cross SectionK-Section
Effective Length1397.00
Effective Length55.00
MaterialEPDM, Aramid Reinforced
Maximum Operating Temperature212
Maximum Operating Temperature100
Minimum Operating Temperature-45
Minimum Operating Temperature-42.7
Outside Circumference1411.23
Outside Circumference55.56
Rib DepthStandard
Rib ProfileStraight Rib
StandardsSAE J1459, SAE J2432
Top Width.82



  • Gates: K060551
  • Dynacraft: D84-1000-3061400
  • Goodyear: 4060550
  • Driveworks: 550K6
  • Foster: BL3E-8620-EA
  • Bando: 6PK1400
  • CARQUEST: K060551
  • ACDelco: 6K551
  • Ford: 5M6Z-8620-AA
  • Motorcraft: JK6-556
  • NAPA: 25-060551
  • Ford: 5M6Q-6C301-AA
  • Dynacraft: 40605551RPBLT
  • Duralast: 550K6


  • 2015-2018 Ford Transit-350 - Position: Water Pump and Alternator
  • 2015-2018 Ford Transit-250 - Position: Water Pump and Alternator
  • 2011-2021 Ford F-150 - Position: Main Drive
  • 2015-2018 Ford Transit-150 - Position: Water Pump and Alternator
  • 2008-2009 Mazda Tribute - Position: Main Drive
  • 2015-2018 Ford Transit-350 HD - Position: Water Pump and Alternator
  • 2015-2017 Lincoln Navigator - Position: Main Drive
  • 2005-2009 Ford Escape - Position: Main Drive
  • 2020-2020 Ford Explorer - Position: Main Drive
  • 2006-2009 Mercury Mariner - Position: Main Drive
  • 2020-2021 Ford Police Interceptor Utility - Position: Main Drive
  • 2015-2017 Ford Expedition - Position: Main Drive
  • 2014-2017 Ford Mustang - Position: Main Drive
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