Part #: 5080690

Dayco 5080690 Serpentine Belt

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

The Dayco 5080690 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 69.1 inches (1754.89 mm)
  • Outside Circumference: Approximately 69.7 inches (1770.89 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 Details and Material Composition

This serpentine belt features a K-section cross section with eight straight ribs, designed to maintain proper alignment and grip on pulleys. The EPDM (ethylene propylene diene monomer) rubber compound combined with aramid fiber reinforcement enhances resistance to heat, ozone, and mechanical stress. The belt’s standard rib depth ensures compatibility with a wide range of accessory drive pulleys, while the black color is typical for automotive belts.

Compatible Vehicles and Applications

The Dayco 5080690 serpentine belt is suitable for use in various automotive applications requiring an 8-rib K-section belt with a top width of 1.10 inches and an effective length near 69 inches. It is commonly compatible with accessory drive systems in vehicles such as Ford F-150, Chevrolet Silverado, and Dodge Ram models, among others. Always verify fitment with your specific make and model before purchase.

  • Replaces worn or cracked serpentine belts
  • Addresses slipping or squealing belt noise
  • Prevents accessory drive system failures
  • Improves belt tension and pulley alignment
  • Restores proper function to alternator, power steering, and A/C compressor

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 5080690 belt according to the vehicle’s belt routing diagram. Inspect pulleys and tensioners for wear or damage during replacement. Proper tension and alignment are critical for optimal belt life and performance.

Quality Assurance and Standards Compliance

The Dayco 5080690 serpentine belt meets SAE J1459 and SAE J2432 standards, ensuring it adheres to industry requirements for durability and performance. Manufactured with quality materials and reinforced construction, this belt is designed to withstand operating temperatures from -45°C to 212°F. While no specific warranty information is provided, Dayco products typically undergo rigorous quality control to meet OEM specifications.

BrandDayco
Part Number5080690
MaterialEpdm, aramid reinforced
Top Width1.10
ColorBlack
Effective Length1754.89
Effective Length69.09
Outside Circumference1770.89
Outside Circumference69.72
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:

8K690K080690HD

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