Dayco 5100555 Serpentine Belt

Part Number
Serpentine Belt

Fits: 03-04 Mack CX, 03-07 Mack MR, 04 Mack CXN, 06-07 Mack LE, 06-08 Volvo VNL, 06-08 Volvo VT, 10-12 Freightliner Argosy

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Estimated Ship Date: 1 Business Day or Less
The Dayco® Poly Rib® Belt is designed for power transmission on heavy duty multiple-accessory drives. This Poly Rib belt is the latest version of the revolutionary multi-ribbed belt first developed by Dayco® for the 1979 Ford® Mustang®. The Dayco® Poly Rib® Belt is manufactured from an extreme temperature EPDM rubber and features a construction that uses a highly fiber loaded compound to maximize belt life and load carrying requirements while minimizing pulley misalignment noise. This belt offers excellent resistance to high under hood temperatures and ozone contamination. In addition, specially formulated treated cord insures length and tension stability on heavy duty diesel engine drives for the life of the belt. The Dayco® Poly Rib® Belt meets or exceeds SAE J1459 and SAE J2432 specifications.

BRAND: Dayco




Cross SectionK-Section
Effective Length55.50
Effective Length1409.70
MaterialEPDM, Aramid Reinforced
Maximum Operating Temperature100
Maximum Operating Temperature212
Minimum Operating Temperature-45
Minimum Operating Temperature-42.7
Outside Circumference56.13
Outside Circumference1425.71
Rib DepthStandard
Rib ProfileStraight Rib
StandardsSAE J1459, SAE J2432
Top Width1.38



  • Volvo Cars: 20411860
  • Cummins: 3895518
  • Mack: 88GB452P555
  • Goodyear: 4100554
  • CARQUEST: K100554HD
  • ACDelco: 10K554
  • Mack: 88GB449P552
  • Cummins: 3023483
  • NAPA: 25-100554HD
  • Mack: 88GB458P555
  • Gates: K100557HD
  • Gates: K100554
  • Cummins: 3097270
  • Gates: K100554HD
  • Mack: 88GB449P555
  • Mack: 25502522
  • Goodyear: 4100555
  • CARQUEST: K100554
  • ACDelco: K100554HD
  • NAPA: 25-100554


  • 2007-2007 Mack LE - Position: Fan and Air Conditioning
  • 2004-2004 Mack CXN - Position: Fan
  • 2006-2008 Volvo VNL - Position: Fan
  • 2003-2007 Mack MR - Position: Fan
  • 2003-2004 Mack CX - Position: Fan
  • 2006-2008 Volvo VT - Position: Fan
  • 2006-2006 Mack LE - Position: Fan
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