Dayco 5050500 Serpentine Belt

Serpentine Belt

Fits: 84-86 Buick Skyhawk, 84-85 Pontiac J2000 Sunbird, 86 Pontiac Sunbird, 89-91 Peugeot 405, 04-05 Porsche Carrera GT, 12-19 Fiat 500, 13-16 Dodge Dart, 17-20 Fiat 124 Spider

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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 Length50.00
Effective Length1270.00
MaterialEPDM, Aramid Reinforced
Maximum Operating Temperature100
Maximum Operating Temperature212
Minimum Operating Temperature-45
Minimum Operating Temperature-42.7
Outside Circumference50.66
Outside Circumference1286.77
Rib DepthStandard
Rib ProfileStraight Rib
StandardsSAE J1459, SAE J2432
Top Width.68



  • Gates: K050500
  • Pirelli: 500K5
  • Duralast: 500K5
  • NAPA: 25-050500
  • ContiTech: PK050500
  • General Motors: 10027870
  • Komatsu: 6216-84-6710
  • Goodyear: 4050500
  • Peugeot: 9601424184
  • Peugeot: 9601439780
  • Driveworks: 500K5
  • Dynacraft: D1102-7067
  • NAPA: 25-71274
  • CARQUEST: K050500
  • General Motors: 3093176
  • Chrysler: 4627697AA
  • Bando: 5PK1270
  • V&W: 500K5
  • Mighty: 5K500
  • ACDelco: 5K500
  • Porsche: 980.102.251.02
  • Freshstart: 500K5


  • 1984-1986 Buick Skyhawk - Position: Alternator and Power Steering
  • 2013-2017 Fiat 500 - Position: Main Drive
  • 2004-2005 Porsche Carrera GT - Position: Power Steering and Air Conditioning
  • 1986-1986 Pontiac Sunbird - Position: Alternator and Power Steering
  • 1984-1985 Pontiac J2000 Sunbird - Position: Alternator and Power Steering
  • 2013-2016 Dodge Dart - Position: Main Drive
  • 1989-1991 Peugeot 405 - Position: Air Conditioning, Alternator and Idler
  • 2017-2017 Fiat 124 Spider
    • Serpentine Belt
  • 2013-2013 Dodge Dart - Position: Main Drive
    • w/A.C.
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