Part #: 5080745

Dayco 5080745 Serpentine Belt

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

The Dayco 5080745 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: 74.50 inches (1892.30 mm)
  • Outside Circumference: 75.13 inches (1908.31 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 100°C (-49°F to 212°F)
  • Complies with SAE J1459 and SAE J2432 standards

Technical Overview of Dayco 5080745 Serpentine Belt

This serpentine belt features a K-section cross section and eight straight ribs, designed to maintain proper tension and alignment on pulleys. The EPDM material combined with aramid reinforcement improves resistance to heat, ozone, and mechanical stress, extending belt life. The belt’s dimensions, including a top width of 1.10 inches and an outside circumference of approximately 75.13 inches, ensure compatibility with specific accessory drive systems requiring these measurements.

Compatible Vehicles and Applications

The Dayco 5080745 serpentine belt is suitable for use in various automotive applications where an 8-rib K-section belt is specified. It is commonly compatible with certain Ford, Chevrolet, and Dodge models requiring a serpentine belt with these exact dimensions and specifications. Always verify fitment with your vehicle’s OEM requirements or service manual before installation.

  • Replaces worn or cracked serpentine belts
  • Addresses belt slippage and squealing issues
  • Restores proper accessory drive function
  • Prevents overheating caused by belt failure
  • Improves engine accessory efficiency

Installation Notes and Tips

Ensure the engine is off and cool before beginning installation. Use a belt tensioner tool to relieve tension on the old belt and carefully route the new Dayco 5080745 belt according to the vehicle’s belt routing diagram. Inspect pulleys and tensioners for wear or damage during replacement to avoid premature belt failure. Proper alignment and tension are critical for optimal belt performance.

Quality Assurance and Standards Compliance

Dayco 5080745 serpentine belt meets SAE J1459 and SAE J2432 standards, ensuring it adheres to industry requirements for durability and performance. The EPDM and aramid reinforced construction provides resistance to heat and wear, supporting reliable operation within a temperature range from -45°C to 100°C (-49°F to 212°F). While no specific warranty information is provided, Dayco products are manufactured to meet stringent quality controls.

BrandDayco
Part Number5080745
MaterialEpdm, aramid reinforced
Top Width1.10
ColorBlack
Effective Length1892.30
Effective Length74.50
Outside Circumference1908.31
Outside Circumference75.13
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:

8K745K080745HD

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