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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.
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.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2005 | Ford | F-250 Super Duty | 6.0L | V8 | Main Drive | w/Add on Hydraulic Pump, 8 Rib, 149 In. Belt |
| 2005 | Ford | F-350 Super Duty | 6.0L | V8 | Main Drive | w/Add on Hydraulic Pump, 8 Rib, 149 In. Belt |
| 2004 | Ford | F-250 Super Duty | 6.0L | V8 | Main Drive | w/Add on Hydraulic Pump, 8 Rib, 149 In. Belt |
| 2004 | Ford | F-350 Super Duty | 6.0L | V8 | Main Drive | w/Add on Hydraulic Pump, 8 Rib, 149 In. Belt |
| 2003 | Ford | F-250 Super Duty | — | — | Main Drive | w/Add on Hydraulic Pump, 8 Rib, 149 In. Belt |
| 2003 | Ford | F-350 Super Duty | — | — | Main Drive | w/Add on Hydraulic Pump, 8 Rib, 149 In. Belt |
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