HomeBelts and Cooling > Accessory Drive Belt System ComponentsDayco 5060665 Serpentine Belt - Main Drive or Supercharger
Part #: 5060665

Dayco 5060665 Serpentine Belt - Main Drive or Supercharger

Main Drive
26 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Toyota, Buick, Pontiac, and Audi, MR2 Spyder, Regal, Grand Prix, S6, and S4
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Durable Dayco Serpentine Belt for Audi, Buick, Pontiac, and Toyota

The Dayco 5060665 serpentine belt is engineered to provide reliable performance for select Audi, Buick, Pontiac, and Toyota vehicles. Constructed with EPDM and aramid reinforcement, this belt offers durability and resistance to wear under various operating conditions.

  • Material: EPDM with aramid fiber reinforcement for enhanced strength
  • Top Width: 0.82 inches
  • Effective Length: Approximately 66.55 inches (1690.37 mm)
  • Outside Circumference: Approximately 67.21 inches (1707.14 mm)
  • Rib Quantity: 6 ribs with a straight rib profile
  • Cross Section: K-section design for optimal fit and function
  • Operating Temperature Range: -45°C to 100°C (-49°F to 212°F)
  • Meets SAE J1459 and SAE J2432 standards

Technical Overview of Dayco 5060665 Serpentine Belt

This serpentine belt is designed with a K-section cross section and six straight ribs, ensuring proper engagement with pulleys and consistent power transmission. The EPDM material combined with aramid reinforcement provides resistance to heat, ozone, and wear, extending belt life in demanding engine environments. Its effective length and outside circumference measurements align with specific accessory drive systems found in Audi S4 and S6, Buick Regal and Grand Prix, as well as the Toyota MR2 Spyder.

Compatible Vehicles and Applications

The Dayco 5060665 serpentine belt is compatible with the following makes and models:

  • Audi S4 and S6
  • Buick Grand Prix and Regal
  • Pontiac Grand Prix
  • Toyota MR2 Spyder

This belt is intended for use in accessory drive belt systems, helping to transfer power to components such as the alternator, power steering pump, and air conditioning compressor.

Common Issues Addressed by This Serpentine Belt

  • Worn or cracked belts causing slipping or noise
  • Loss of power to accessory components
  • Overheating due to belt failure
  • Reduced fuel efficiency from improper belt tension
  • Premature belt wear from exposure to heat and contaminants

Installation Notes and Tips

Ensure the engine is off and cool before beginning installation. Verify the belt routing matches the vehicle’s belt diagram. Inspect pulleys and tensioners for wear or damage prior to installing the new belt. Proper tensioning is critical to avoid premature wear or belt slippage. Use appropriate tools to maintain correct tension according to manufacturer specifications.

Quality Assurance and Standards Compliance

The Dayco 5060665 serpentine belt meets SAE J1459 and SAE J2432 standards, ensuring it adheres to industry requirements for performance and durability. Manufactured with quality materials and reinforced construction, this belt is designed to maintain reliable operation within the specified temperature range. Warranty coverage details should be confirmed with the vehicle manufacturer or parts distributor.

BrandDayco
Part Number5060665
ColorBlack
Cross SectionK-Section
Effective Length66.55
Effective Length1690.37
MaterialEPDM, Aramid Reinforced
Maximum Operating Temperature100
Maximum Operating Temperature212
Minimum Operating Temperature-45
Minimum Operating Temperature-42.7
Outside Circumference67.21
Outside Circumference1707.14
Rib DepthStandard
Rib ProfileStraight Rib
Rib Quantity6
StandardsSAE J1459, SAE J2432
Top Width.82

This part fits 26 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2005ToyotaMR2 SpyderMain Drive
2004ToyotaMR2 SpyderMain Drive
2003BuickRegalSupercharger
2003PontiacGrand Prix3.8LV6Supercharger
2003ToyotaMR2 SpyderMain Drive
2002BuickRegalSupercharger
2002PontiacGrand Prix3.8LV6Supercharger
2002ToyotaMR2 SpyderMain Drive
2001BuickRegalSupercharger
2001PontiacGrand Prix3.8LV6Supercharger
2001ToyotaMR2 SpyderMain Drive
2000BuickRegalSupercharger
2000PontiacGrand Prix3.8LV6Supercharger
2000ToyotaMR2 SpyderMain Drive
1999BuickRegalSupercharger
1999PontiacGrand Prix3.8LV6Supercharger
1998BuickRegalSupercharger
1998PontiacGrand Prix3.8LV6Supercharger
1997AudiS6Main Drive
1997BuickRegalSupercharger
1997PontiacGrand Prix3.8LV6Supercharger
1996AudiS6Main Drive
1995AudiS6Main Drive
1994AudiS4Main Drive
1993AudiS4Main Drive
1992AudiS4Main Drive

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

6K663

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.