Part #: 5080770

Dayco 5080770 Serpentine Belt

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

The Dayco 5080770 serpentine belt is engineered to provide consistent power transmission for accessory drive systems in various vehicle makes and models. Constructed with EPDM and aramid reinforcement, this belt offers enhanced durability and resistance to wear under a wide range of operating temperatures.

  • Material: EPDM with aramid fiber reinforcement for strength and longevity
  • Top Width: 1.10 inches ensuring proper fit and tension
  • Effective Length: Approximately 77 inches (1955.80 mm) for precise compatibility
  • Rib Quantity: 8 ribs with a straight rib profile for smooth power transfer
  • Cross Section: K-section design optimized for accessory drive systems
  • Operating Temperature Range: From -45°C to 212°F (-42.7°C to 100°C) for reliable performance in diverse climates
  • Meets SAE J1459 and SAE J2432 standards for quality and safety

Technical Overview of Dayco 5080770 Serpentine Belt

This serpentine belt features a black EPDM rubber compound reinforced with aramid fibers, which enhances tensile strength and resistance to heat and abrasion. The 8-rib K-section design ensures efficient power transmission to engine accessories such as the alternator, power steering pump, and air conditioning compressor. With an outside circumference of approximately 77.63 inches (1971.81 mm), the belt is designed to maintain optimal tension and reduce slippage during operation.

Compatible Vehicles and Applications

The Dayco 5080770 serpentine belt is suitable for use in a range of automotive applications requiring an 8-rib K-section belt with a top width of 1.10 inches and an effective length near 77 inches. It is compatible with various makes and models that specify these dimensions and standards, including many domestic and import vehicles. Always verify fitment with your vehicle’s manufacturer specifications before purchase.

  • Replaces worn or cracked serpentine belts causing squealing or slipping
  • Addresses belt degradation from heat exposure and environmental factors
  • Prevents accessory drive failures due to belt breakage or rib separation
  • Improves engine accessory efficiency by maintaining proper belt tension

Installation Notes and Tips

Ensure the serpentine belt routing matches the vehicle’s belt diagram before installation. Use a belt tensioner tool to apply correct tension and avoid over-tightening, which can reduce belt life. Inspect pulleys and tensioners for wear or damage during replacement to ensure optimal belt performance.

Quality Assurance and Standards Compliance

The Dayco 5080770 serpentine belt complies with SAE J1459 and SAE J2432 standards, confirming its suitability for automotive accessory drive systems. Manufactured with high-quality EPDM and aramid reinforcement, this belt is designed to withstand temperature extremes and mechanical stress. While no specific warranty information is provided, Dayco products typically meet rigorous quality control standards for durability and reliability.

BrandDayco
Part Number5080770
MaterialEpdm, aramid reinforced
Top Width1.10
ColorBlack
Effective Length1955.80
Effective Length77.00
Outside Circumference1971.81
Outside Circumference77.63
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:

J929889

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