Dayco 5080663 Serpentine Belt

Brand Dayco 5080663
Position Supercharger
Color Black
Cross Section K-Section
Effective Length 66.25
Effective Length 1682.75
Material EPDM, Aramid Reinforced
Maximum Operating Temperature 100
Maximum Operating Temperature 212
Minimum Operating Temperature -45
Minimum Operating Temperature -42.7
Outside Circumference 66.88
Outside Circumference 1698.76
Rib Depth Standard
Rib Profile Straight Rib
Rib Quantity 8
Standards SAE J1459, SAE J2432
Top Width 1.10
Fits Cadillac, Ford, and Dodge · 11 vehicles

Aramid reinforced. EPDM construction helps resist wear and heat.

Straight rib profile. Promotes smooth, efficient power transfer.

SAE standards. Built to meet recognized belt performance requirements.

Cross-references Case 8602679, Case J904959 and Case J911578 for the same application. See all 32.

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Dayco 5080663 Serpentine Belt Overview

The Dayco 5080663 serpentine belt is an EPDM, aramid reinforced accessory drive belt built for demanding engine accessory systems. With an 8-rib K-section profile and straight rib design, it supports consistent belt tracking in supercharger and main drive applications.

Compatible With select Ford F-150 supercharger setups, Cadillac CTS supercharger applications, and Dodge D250/D350/W250/W350 main drive configurations without air conditioning.

Key Features

  • EPDM construction for heat and wear resistance
  • Aramid reinforcement for added tensile strength
  • 8-rib K-section design for accessory drive stability
  • Black belt with straight rib profile
  • Effective length: 66.25 in. / 1682.75 mm
  • Outside circumference: 66.88 in. / 1698.76 mm
  • Top width: 1.10 in.
  • Operating range: -45°F to 212°F
  • Built to SAE J1459 and SAE J2432 standards

Detailed Description

Dayco 5080663 is a serpentine belt for accessory drive systems that require an 8-rib K-section belt with a 66.25-inch effective length. The EPDM rubber compound helps resist cracking and glazing under heat, while aramid reinforcement adds strength for steady performance in high-load engine drives. This part number 5080663 is listed for 2010 Cadillac CTS supercharger applications, 1999-2004 Ford F-150 and F-150 Heritage supercharger applications, and 1989 Dodge D250, D350, W250, and W350 main drive setups without air conditioning.

This part cross-references Goodyear 8PK1686 for the same application.

What This Belt Helps Address

  • Squealing or chirping from a worn accessory drive belt
  • Cracking, glazing, or fraying on the belt surface
  • Loss of belt tension or inconsistent accessory drive operation
  • Drive issues in supercharger belt applications
  • Fitment replacement needs for Ford F-150, Cadillac CTS, and Dodge truck belt routing

Installation Notes and Tips

Verify rib count, effective length, and belt routing before installation. This belt is listed for supercharger positions on the Cadillac CTS and Ford F-150/F-150 Heritage, and for main drive use on 1989 Dodge D250, D350, W250, and W350 models without air conditioning. Inspect pulleys, tensioners, and idlers for wear before fitting the new belt to help maintain proper tracking.

Quality Assurance

Dayco manufactures this belt to SAE J1459 and SAE J2432 standards, with EPDM and aramid reinforcement selected for durability in accessory drive service.

This part fits 11 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2010CadillacCTS6.2LV8Supercharger
2004FordF-150 Heritage5.4LV8Supercharger
2003FordF-1505.4LV8Supercharger
2002FordF-1505.4LV8Supercharger
2001FordF-1505.4LV8Supercharger
2000FordF-1505.4LV8Supercharger
1999FordF-1505.4LV8Supercharger
1989DodgeD2505.9LL6Main DriveFits vehicles without air conditioning.
1989DodgeD3505.9LL6Main DriveFits vehicles without air conditioning.
1989DodgeW2505.9LL6Main DriveFits vehicles without air conditioning.
1989DodgeW3505.9LL6Main DriveFits vehicles without air conditioning.
Directly replaces or cross-references 32 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Case — 8602679Case — J904959Case — J911578Chrysler — 4428100Cummins — 3289102Cummins — 3289113Cummins — 3290188Cummins — 3902667Cummins — 3911578Cummins — 3927143Cummins — 3943210Cummins — 3955168Cummins — 5256136Driveworks — 663K8Duralast — 663K8Ford — 1L3V-8620-AAFord — 1L3V-8620-BAFord — XL3V-8620-BAFord — XL3Z-8620-BAFreightliner — 01-24730-002Freightliner — 3920430General Motors — 12628026Goodyear — 8PK1686John Deere — R98510John Deere — R123460John Deere — R135192John Deere — SU22140Komatsu — 1295290H1NAPA — 25-78066Perkins — 3380499Perkins — 3508740Volvo — 8167019