Dayco 5040490 Serpentine Belt

Part Number
Serpentine Belt

Fits: 85-86 Chevrolet Camaro, 85-86 Pontiac Firebird, 93 Land Rover Defender 110, 93 Land Rover Range Rover, 94-95 Land Rover Defender 90, 10-11 Toyota Camry

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Estimated Ship Date: 1 Business Day or Less
Designed for high mileage multiple-accessory drivesthe Dayco® “W” profile belt (patent pending) is the most innovative advancement in multi-rib belt design in over 25 years. Developed through extensive laboratory and actual road mileage testing, this unique rib profile has been specifically Dayco® engineered to conform to high mileage, worn or misaligned drives without a sacrifice in quiet, long-lasting performance. The "W" profile cut into the tip of each rib makes the tip more flexible and eliminates belt chirp when the belt enters a worn or misalligned pulley. Constructed with Aramid reinforced EPDM compounds, the Dayco® “W” profile belt delivers more than OE required delivers the solution to troublesome drive problems. Dayco® Poly-Rib® Belts meet or exceed SAE J1459 and SAE J2432 specifications.

BRAND: Dayco




Cross SectionK-Section
Effective Length1245.11
Effective Length49.02
MaterialEPDM, Aramid Reinforced
Maximum Operating Temperature212
Maximum Operating Temperature100
Minimum Operating Temperature-45
Minimum Operating Temperature-42.7
Outside Circumference49.68
Outside Circumference1261.88
Rib DepthStandard
Rib ProfileStraight Rib
StandardsSAE J1459, SAE J2432
Top Width.54

w/o A.P.



  • V&W: 490K4
  • AutoZone: 490K4
  • NAPA: 25-040490
  • Gates: K040488
  • Renault: 77.00.869.686
  • General Motors: 14089871
  • Driveworks: 490K4
  • ContiTech: PK040490
  • ACDelco: 4K490
  • Pirelli: 490K4
  • ACDelco: 4K488
  • Goodyear: 4040490
  • Toyota: 90916-02671
  • CARQUEST: K040490
  • Gates: K040490
  • Goodyear: 4040488
  • Freshstart: 490K4
  • CARQUEST: K040488
  • NAPA: 25-71244
  • Hyundai: 25212-32010
  • Datsun/Nissan: 11950-VW100
  • Duralast: 490K4
  • Land Rover: ERR2678


  • 1986-1986 Chevrolet Camaro - Position: Water Pump and Alternator
  • 1986-1986 Pontiac Firebird - Position: Water Pump and Alternator
  • 1994-1995 Land Rover Defender 90 - Position: Alternator
  • 1985-1985 Pontiac Firebird - Position: Alternator and Water Pump
  • 1993-1993 Land Rover Range Rover - Position: Alternator and Power Steering
  • 1985-1985 Chevrolet Camaro - Position: Alternator and Water Pump
  • 1993-1993 Land Rover Defender 110 - Position: Alternator
  • 2010-2011 Toyota Camry - Position: Main Drive
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