Part #: 5080945

Dayco 5080945 Serpentine Belt

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

The Dayco 5080945 serpentine belt is engineered to provide consistent power transmission for accessory drive systems in various vehicles. 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 flexibility
  • Top Width: 1.10 inches ensuring proper fit and tension
  • Effective Length: Approximately 94.5 inches (2400.30 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) suitable for diverse climates
  • Standards Compliance: Meets SAE J1459 and SAE J2432 for quality and performance

Technical Overview of Dayco 5080945 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 delivery to engine accessories such as the alternator, power steering pump, and air conditioning compressor. With an outside circumference of approximately 95.13 inches (2416.31 mm), the belt maintains proper tension and alignment in the accessory drive system. Its straight rib profile and standard rib depth contribute to reduced noise and vibration during operation.

Compatible Vehicles and Applications

The Dayco 5080945 serpentine belt is suitable for use in a range of automotive makes and models requiring an 8-rib, 1.10-inch wide belt with a length near 94.5 inches. It is commonly used in accessory drive belt systems where durability and temperature resistance are critical. This part number is often referenced in maintenance and replacement schedules for vehicles that specify belts meeting SAE J1459 and J2432 standards.

  • 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 improper belt tension or rib wear
  • Improves engine accessory performance by maintaining consistent belt grip

Installation Notes and Tips

When installing the Dayco 5080945 serpentine belt, ensure the belt routing matches the vehicle manufacturer’s diagram. Check pulleys and tensioners for wear or damage before installation. Proper tension adjustment is critical to avoid premature belt wear or slippage. Use a belt tension gauge if available to verify correct tension. Inspect the belt periodically after installation to confirm secure fit and alignment.

Quality Assurance and Standards Compliance

Dayco 5080945 serpentine belt complies with SAE J1459 and SAE J2432 standards, ensuring it meets industry requirements for durability and performance. The EPDM and aramid reinforced construction provides resistance to heat, ozone, and wear, supporting long service life. While specific warranty details are not provided, Dayco products typically adhere to manufacturer quality controls and testing protocols to maintain reliability in automotive applications.

BrandDayco
Part Number5080945
MaterialEpdm, aramid reinforced
Top Width1.10
ColorBlack
Effective Length2400.30
Effective Length94.50
Outside Circumference2416.31
Outside Circumference95.13
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:

8K944K080944HD

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