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Dayco 5050486 Serpentine Belt - Fan or Power Steering and Idler
| Brand | Dayco 5050486 |
|---|---|
| Position | Fan, Power Steering and Idler |
| Color | Black |
| Cross Section | K-Section |
| Effective Length | 48.62 |
| Effective Length | 1234.95 |
| Material | EPDM, Aramid Reinforced |
| Maximum Operating Temperature | 100 |
| Maximum Operating Temperature | 212 |
| Minimum Operating Temperature | -45 |
| Minimum Operating Temperature | -42.7 |
| Outside Circumference | 49.28 |
| Outside Circumference | 1251.72 |
| Rib Depth | Standard |
| Rib Profile | Straight Rib |
| Rib Quantity | 5 |
| Standards | SAE J1459, SAE J2432 |
| Top Width | .68 |
| Fits | Nissan · 11 vehicles |
EPDM, aramid reinforced. Delivers durable construction for dependable accessory drive performance.
Straight rib profile. Helps maintain consistent belt contact and smooth operation.
SAE J1459, SAE J2432. Built to meet recognized belt performance standards.
Cross-references ACDelco 5K486, Bando 5PK1235 and CARQUEST K050486 for the same application. See all 9.
Dayco 5050486 Serpentine Belt for Nissan
The Dayco 5050486 serpentine belt is built for accessory drive applications that demand consistent grip and stable operation. It is a fitment-based replacement for select Nissan Frontier and Nissan Xterra models with fan, power steering, and idler routing.
Key Features
- EPDM construction with aramid reinforcement for durability in accessory drive service
- 5-rib K-section profile with straight rib design
- Black belt finish with standard rib depth
- Effective length: 1234.95 mm / 48.62 in
- Outside circumference: 1251.72 mm / 49.28 in
- Built to SAE J1459 and SAE J2432 standards
- Operating temperature range: -45°F to 212°F
Detailed Description
Dayco 5050486 is a serpentine belt for accessory drive systems that use a 5-rib K-section layout. The EPDM rubber construction and aramid reinforcement support belt stability under heat and load, while the straight rib profile helps maintain contact across pulleys. This part number is a direct fit for 1999-2004 Nissan Frontier and 2000-2004 Nissan Xterra applications with fan, power steering, and idler routing. If you are searching for a Nissan Frontier serpentine belt or a Nissan Xterra accessory drive belt, Dayco 5050486 is the correct OE-style replacement reference for those applications.
This part cross-references Gates K050486 for the same application.
What It Helps Address
- Squealing or chirping from a worn accessory drive belt
- Cracking, glazing, or rib wear on the existing belt
- Loss of belt grip on the alternator, power steering, or fan drive path
- Noise caused by age-related belt hardening
- Service replacement for a belt that no longer tracks correctly
Installation Notes and Tips
Verify pulley alignment, tensioner condition, and routing before installation. Confirm the belt path matches the fan, power steering, and idler configuration on the vehicle. For best results, inspect related accessory drive components for wear before installing the new belt. Fits 1999-2004 Nissan Frontier, fan, power steering and idler. Fits 2000-2004 Nissan Xterra, fan, power steering and idler.
Quality Assurance
Dayco manufactures this belt to meet SAE J1459 and SAE J2432 standards, with EPDM and aramid-reinforced construction selected for accessory drive service.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2004 | Nissan | Frontier | 3.3L | V6 | Fan, Power Steering and Idler | — |
| 2004 | Nissan | Xterra | 3.3L | V6 | Fan, Power Steering and Idler | — |
| 2003 | Nissan | Frontier | 3.3L | V6 | Fan, Power Steering and Idler | — |
| 2003 | Nissan | Xterra | 3.3L | V6 | Fan, Power Steering and Idler | — |
| 2002 | Nissan | Frontier | 3.3L | V6 | Fan, Power Steering and Idler | — |
| 2002 | Nissan | Xterra | 3.3L | V6 | Fan, Power Steering and Idler | — |
| 2001 | Nissan | Frontier | 3.3L | V6 | Fan, Power Steering and Idler | — |
| 2001 | Nissan | Xterra | 3.3L | V6 | Fan, Power Steering and Idler | — |
| 2000 | Nissan | Frontier | 3.3L | V6 | Fan, Power Steering and Idler | — |
| 2000 | Nissan | Xterra | 3.3L | V6 | Fan, Power Steering and Idler | — |
| 1999 | Nissan | Frontier | 3.3L | V6 | Fan, Power Steering and Idler | — |
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