Dayco 5081490 Serpentine Belt - Main Drive

Brand Dayco 5081490
Position Main Drive
Color Black
Cross Section K-Section
Effective Length 149.00
Effective Length 3784.60
Material EPDM, Aramid Reinforced
Maximum Operating Temperature 100
Maximum Operating Temperature 212
Minimum Operating Temperature -45
Minimum Operating Temperature -42.7
Outside Circumference 149.63
Outside Circumference 3800.61
Rib Depth Standard
Rib Profile Straight Rib
Rib Quantity 8
Standards SAE J1459, SAE J2432
Top Width 1.10
Fits Ford · 6 vehicles

Aramid reinforced. EPDM construction helps resist wear and stretching.

Eight-rib design. Delivers reliable grip for accessory drive systems.

SAE standards. Built to meet J1459 and J2432 requirements.

Cross-references CARQUEST K081490, Gates K081490 and NAPA 25-081490 for the same application. See all 3.

$79.72Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.

Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $79.72
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Dayco 5081490 Serpentine Belt Overview

The Dayco 5081490 serpentine belt is a K-section accessory drive belt built for the main drive system on select Ford Super Duty trucks. It uses EPDM with aramid reinforcement for stable belt performance, with an 8-rib design and straight rib profile for consistent pulley engagement.

Compatible with 2003-2005 Ford F-250 Super Duty and 2003-2005 Ford F-350 Super Duty applications with an add-on hydraulic pump, this belt is specified for the main drive position. The Dayco 5081490 is also a direct cross-reference for common aftermarket listings in the same application.

Key Features

  • EPDM construction with aramid reinforcement for durability in accessory drive service
  • 8-rib, K-section design for proper belt tracking and pulley contact
  • Black finish with straight rib profile
  • Effective length: 149.00 in. (3784.60 mm)
  • Outside circumference: 149.63 in. (3800.61 mm)
  • Built to SAE J1459 and SAE J2432 standards
  • Operating temperature range: -45°F to 212°F

Detailed Description

Dayco 5081490 is a serpentine belt for the accessory drive belt system on 2003-2005 Ford F-250 Super Duty and 2003-2005 Ford F-350 Super Duty trucks equipped with an add-on hydraulic pump. Its EPDM rubber compound is paired with aramid reinforcement to help maintain belt stability under demanding underhood conditions, while the 8-rib K-section layout supports reliable drive transfer across the main accessory path. If you are sourcing a replacement serpentine belt for a Ford F-250 Super Duty or Ford F-350 Super Duty main drive application, part number 5081490 matches the listed fitment and dimensions.

This part cross-references Gates K081490 for the same application.

What It Helps Address

  • Squealing or slipping from a worn accessory drive belt
  • Cracking, glazing, or rib wear on the existing serpentine belt
  • Loss of proper drive transfer to belt-driven accessories
  • Incorrect belt length on Ford Super Duty trucks with an add-on hydraulic pump
  • Fitment issues when replacing the main drive belt on 2003-2005 Ford F-250 Super Duty and F-350 Super Duty models

Installation Notes and Tips

Verify the vehicle has the add-on hydraulic pump configuration before ordering. Confirm the belt routing, rib count, and effective length against the existing belt or service information. For best results, inspect pulleys, tensioner condition, and accessory alignment before installing Dayco 5081490.

Quality Assurance

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

This part fits 6 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
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
Directly replaces or cross-references 3 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
CARQUEST — K081490Gates — K081490NAPA — 25-081490