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.

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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.

This part fits 11 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2004NissanFrontier3.3LV6Fan, Power Steering and Idler
2004NissanXterra3.3LV6Fan, Power Steering and Idler
2003NissanFrontier3.3LV6Fan, Power Steering and Idler
2003NissanXterra3.3LV6Fan, Power Steering and Idler
2002NissanFrontier3.3LV6Fan, Power Steering and Idler
2002NissanXterra3.3LV6Fan, Power Steering and Idler
2001NissanFrontier3.3LV6Fan, Power Steering and Idler
2001NissanXterra3.3LV6Fan, Power Steering and Idler
2000NissanFrontier3.3LV6Fan, Power Steering and Idler
2000NissanXterra3.3LV6Fan, Power Steering and Idler
1999NissanFrontier3.3LV6Fan, Power Steering and Idler
Directly replaces or cross-references 9 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
ACDelco — 5K486Bando — 5PK1235CARQUEST — K050486Datsun/Nissan — 11950-4S100Driveworks — 486K5Duralast — 486K5Gates — K050486Goodyear — 4050485NAPA — 25-050486