HomeBelts and Cooling > Accessory Drive Belt System ComponentsDayco 5080635 Serpentine Belt - Main Drive
Part #: 5080635

Dayco 5080635 Serpentine Belt - Main Drive

Main Drive
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Durable Dayco Serpentine Belt for Reliable Engine Performance

The Dayco 5080635 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 ensuring proper fit and tension
  • Effective Length: Approximately 63.58 inches (1614.94 mm) for precise compatibility
  • Rib Quantity: 8 ribs with a straight rib profile for smooth operation
  • Cross Section: K-section design optimized for accessory drive systems
  • Operating Temperature Range: -45°C to 212°F (-42.7°C to 100°C) suitable for diverse climates
  • Meets SAE J1459 and SAE J2432 standards for quality and performance

Technical Overview of Dayco 5080635 Serpentine Belt

This serpentine belt features a black EPDM rubber compound reinforced with aramid fibers, which improves tensile strength and resistance to heat and abrasion. The 8-rib K-section design ensures efficient power transfer to engine accessories such as the alternator, power steering pump, and air conditioning compressor. With an outside circumference of approximately 64.21 inches (1630.94 mm), the belt maintains proper tension and alignment in compatible vehicles. The straight rib profile reduces noise and vibration during operation, contributing to smoother engine performance.

Compatible Vehicles and Applications

The Dayco 5080635 serpentine belt is designed for use in various automotive makes and models requiring an 8-rib, 1.10-inch wide belt with the specified length. It is suitable for vehicles that demand a durable accessory drive belt capable of withstanding temperature extremes and continuous operation. This part number is often referenced in fitment guides for specific Ford, Chevrolet, and Dodge models, among others. Always verify compatibility with your vehicle’s OEM specifications before purchase.

  • Replaces worn or cracked serpentine belts causing squealing noises
  • Addresses belt slippage affecting accessory performance
  • Prevents overheating issues related to cooling system belt failure
  • Eliminates vibration and misalignment problems in accessory drive systems
  • Restores proper tension and power delivery to engine components

Installation Notes and Tips

When installing the Dayco 5080635 serpentine belt, ensure the belt routing matches the vehicle’s belt diagram. 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 before installation to prevent premature belt failure. Proper alignment of the 8 ribs within the pulleys is critical for optimal performance.

Quality Assurance and Standards Compliance

Dayco 5080635 meets SAE J1459 and SAE J2432 standards, ensuring it adheres to industry requirements for serpentine belts. The EPDM and aramid reinforced construction provides resistance to heat, ozone, and wear, contributing to a longer service life. While specific warranty details are not provided, Dayco products are manufactured under strict quality control processes to maintain consistent performance and reliability.

BrandDayco
Part Number5080635
MaterialEpdm, aramid reinforced
Top Width1.10
ColorBlack
Effective Length1614.94
Effective Length63.58
Outside Circumference1630.94
Outside Circumference64.21
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:

8K635

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