Dayco 5070855 Serpentine Belt

Part Number
Serpentine Belt

Fits: 91-92 Lincoln Town Car, 92 Ford Crown Victoria, 92 Mercury Grand Marquis

In stock
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Estimated Ship Date: 1 Business Day or Less
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 Length2171.70
Effective Length85.50
MaterialEPDM, Aramid Reinforced
Maximum Operating Temperature212
Maximum Operating Temperature100
Minimum Operating Temperature-42.7
Minimum Operating Temperature-45
Outside Circumference2188.47
Outside Circumference86.16
Rib DepthStandard
Rib ProfileStraight Rib
StandardsSAE J1459, SAE J2432
Top Width.96



  • V&W: 855K7
  • Ford: F1AE-8620-DA
  • Freshstart: 855K7
  • ACDelco: 7K855
  • Goodyear: 4070855
  • Driveworks: 855K7
  • ContiTech: PK070855
  • Atlas: 7K0855
  • Motorcraft: JK7-863B
  • Bando: 7PK2170
  • Ford: F1VY-8620-B
  • Ford: F1VY-8620-C
  • Gates: K070855
  • NAPA: 25-77085
  • Dynacraft: D1102-8505
  • Ford: F2AZ-8620-A
  • Ford: F2AE-8620-CA
  • Ford: F1AE-8620-CA
  • Duralast: 855K7
  • CARQUEST: K070855
  • NAPA: 25-070855
  • Ford: F1AE-8620-CF
  • Ford: F1DE-8620-CF
  • Ford: F2AE-8620-AA
  • Motorcraft: JK7-861


  • 1991-1991 Lincoln Town Car - Position: Main Drive
    • w/Factory Air
  • 1992-1992 Mercury Grand Marquis - Position: Main Drive
    • 86 In. Belt
  • 1992-1992 Lincoln Town Car - Position: Main Drive
    • 7 Rib Belt, w/Factory Air
  • 1992-1992 Ford Crown Victoria - Position: Main Drive
    • 86 In. Belt
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