Part #: 5080740

Dayco 5080740 Serpentine Belt

Fan, Alternator and Idler, Main Drive, Fan and Alternator, Water Pump, Fan, Alternator and Air Conditioning, Fan To Alternator, Alternator, and Air Conditioning
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Durable Dayco Serpentine Belt for Reliable Engine Performance

The Dayco 5080740 serpentine belt is engineered to provide consistent power transmission for accessory drive systems. 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: 1.10 inches
  • Effective Length: Approximately 74 inches (1880.11 mm)
  • Outside Circumference: Approximately 74.6 inches (1895.86 mm)
  • Rib Quantity: 8 ribs with a straight rib profile
  • Cross Section: K-section design for optimal fit and performance
  • Operating Temperature Range: -45°C to 212°F (-42.7°C to 100°C)
  • Meets SAE J1459 and SAE J2432 standards

Technical Overview of Dayco 5080740 Serpentine Belt

This serpentine belt is designed to meet the demands of modern accessory drive systems, providing reliable power transfer to components such as the alternator, power steering pump, and air conditioning compressor. The EPDM material combined with aramid reinforcement enhances resistance to heat, ozone, and wear, extending belt life. The 8-rib K-section profile ensures proper alignment and grip on pulleys, reducing slippage and noise. Its dimensional specifications, including a top width of 1.10 inches and an effective length near 74 inches, make it suitable for specific vehicle applications requiring these measurements.

Compatible Vehicles and Common Applications

Compatible with various makes and models requiring an 8-rib serpentine belt with these dimensions, the Dayco 5080740 is often used in mid to full-size vehicles with accessory drive systems designed for K-section belts. It is important to verify fitment based on vehicle year, make, and model to ensure proper compatibility.

  • Replaces worn or cracked serpentine belts causing squealing noises
  • Addresses belt slippage affecting accessory performance
  • Prevents overheating issues related to belt failure
  • Restores proper tension and alignment in accessory drive systems
  • Improves overall engine accessory efficiency and reliability

Installation Notes and Tips

When installing the Dayco 5080740 serpentine belt, ensure the belt routing matches the vehicle’s accessory drive diagram. Inspect pulleys and tensioners for wear or damage before installation. Proper tensioning is critical to avoid premature belt wear or slippage. Use a belt tension gauge if available to confirm correct tension. Replacement should be performed with the engine off and cooled to avoid injury.

Quality Assurance and Standards Compliance

The Dayco 5080740 serpentine belt complies with SAE J1459 and SAE J2432 standards, ensuring it meets industry requirements for durability and performance. Manufactured with high-quality EPDM and aramid materials, this belt is designed to withstand temperature extremes from -45°C to 212°F. While no specific warranty information is provided, Dayco products are generally backed by manufacturer quality controls to meet OEM specifications.

BrandDayco
Part Number5080740
MaterialEpdm, aramid reinforced
Top Width1.10
ColorBlack
Effective Length1880.11
Effective Length74.02
Outside Circumference1895.86
Outside Circumference74.64
Rib Quantity8
Cross SectionK-section
Maximum Operating Temperature100
Maximum Operating Temperature212
Minimum Operating Temperature-42.7
Minimum Operating Temperature-45
Rib DepthStandard
Rib ProfileStraight rib
StandardsSae j1459, sae j2432

This part fits 0 vehicles. Search below:

YearMakeModelPositionNotes

* 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:

8K7388K740

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