HomeBelts and Cooling > Accessory Drive Belt System ComponentsDayco 5081490 Serpentine Belt - Main Drive
Part #: 5081490

Dayco 5081490 Serpentine Belt - Main Drive

Main Drive
⚙️ 6 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Ford, F-250 Super Duty and F-350 Super Duty
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Durable Serpentine Belt for Ford Super Duty Trucks

The Dayco 5081490 serpentine belt is engineered to meet the demanding needs of Ford F-250 Super Duty and F-350 Super Duty models. Constructed with EPDM and aramid reinforcement, this belt offers reliable performance under a wide range of operating temperatures.

  • Material: EPDM with aramid reinforcement for enhanced durability
  • Top Width: 1.10 inches
  • Effective Length: 149.00 cm (approx. 59 inches)
  • Outside Circumference: 149.63 cm (approx. 59 inches)
  • Rib Quantity: 8 ribs with a straight rib profile
  • Cross Section: K-section design for optimal fit and function
  • Operating Temperature Range: -45°C to 212°F (-42.7°F to 100°C)
  • Meets SAE J1459 and SAE J2432 standards

Technical Overview of Dayco 5081490 Serpentine Belt

This serpentine belt is designed specifically for accessory drive belt systems in Ford F-250 Super Duty and F-350 Super Duty trucks. The EPDM (ethylene propylene diene monomer) material combined with aramid fiber reinforcement provides resistance to heat, wear, and stretching. The 8-rib K-section cross section ensures proper engagement with pulleys, reducing slippage and noise. Its black color and straight rib profile maintain consistent contact with system components, supporting efficient power transmission.

Compatible Vehicles and Applications

The Dayco 5081490 serpentine belt is compatible with the following Ford models:

  • Ford F-250 Super Duty
  • Ford F-350 Super Duty

This belt is intended for use in accessory drive belt systems, helping to power alternators, power steering pumps, air conditioning compressors, and other engine-driven accessories.

Common Issues Addressed by This Serpentine Belt

  • Worn or cracked belts causing slipping or noise
  • Loss of tension leading to accessory malfunction
  • Heat-related degradation reducing belt lifespan
  • Stretching or fraying that compromises belt integrity
  • Failure to meet OEM specifications affecting vehicle performance

Installation Notes and Tips

  • Ensure proper routing according to vehicle service manual
  • Inspect pulleys and tensioners for wear before installation
  • Use appropriate tools to maintain correct belt tension
  • Replace belt if signs of cracking, glazing, or rib damage are present
  • Verify fitment with Ford F-250 Super Duty and F-350 Super Duty models before installation

Quality Assurance and Standards Compliance

The Dayco 5081490 serpentine belt complies with SAE J1459 and SAE J2432 standards, ensuring it meets industry requirements for performance and durability. Manufactured with high-quality EPDM and aramid materials, this belt is designed to withstand operating temperatures from -45°C to 212°F. While specific warranty details are not provided, Dayco products typically adhere to strict quality control processes to support reliable vehicle operation.

BrandDayco
Part Number5081490
ColorBlack
Cross SectionK-Section
Effective Length149.00
Effective Length3784.60
MaterialEPDM, Aramid Reinforced
Maximum Operating Temperature100
Maximum Operating Temperature212
Minimum Operating Temperature-45
Minimum Operating Temperature-42.7
Outside Circumference149.63
Outside Circumference3800.61
Rib DepthStandard
Rib ProfileStraight Rib
Rib Quantity8
StandardsSAE J1459, SAE J2432
Top Width1.10

This part fits 6 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2005FordF-250 Super Duty6.0LV8Main Drivew/Add on Hydraulic Pump, 8 Rib, 149 In. Belt
2005FordF-350 Super Duty6.0LV8Main Drivew/Add on Hydraulic Pump, 8 Rib, 149 In. Belt
2004FordF-250 Super Duty6.0LV8Main Drivew/Add on Hydraulic Pump, 8 Rib, 149 In. Belt
2004FordF-350 Super Duty6.0LV8Main Drivew/Add on Hydraulic Pump, 8 Rib, 149 In. Belt
2003FordF-250 Super DutyMain Drivew/Add on Hydraulic Pump, 8 Rib, 149 In. Belt
2003FordF-350 Super DutyMain Drivew/Add on Hydraulic Pump, 8 Rib, 149 In. Belt

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

K081490

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.