Part #: 5100880

Dayco 5100880 Serpentine Belt

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

The Dayco 5100880 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: 1.38 inches for precise fitment
  • Effective Length: Approximately 88 inches (2235.20 mm)
  • Outside Circumference: Around 88.63 inches (2251.21 mm)
  • Rib Quantity: 10 ribs with a straight rib profile
  • Cross Section: K-section design for optimal belt engagement
  • Operating Temperature Range: -45°C to 100°C (-49°F to 212°F)
  • Complies with SAE J1459 and SAE J2432 standards

Technical Details and Material Composition

The Dayco 5100880 serpentine belt features a K-section cross section with 10 straight ribs, designed to maintain consistent contact with pulleys and reduce slippage. The EPDM rubber compound combined with aramid reinforcement fibers enhances tensile strength and resistance to heat, ozone, and wear. This belt operates effectively within a temperature range from -45°C to 100°C, making it suitable for a variety of engine environments. The standard rib depth ensures compatibility with most accessory drive pulleys requiring a 10-rib belt.

Compatible Vehicles and Applications

This serpentine belt is compatible with multiple vehicle makes and models requiring a 1.38-inch wide, 10-rib K-section belt approximately 88 inches in length. It is commonly used in accessory drive belt systems to power alternators, power steering pumps, air conditioning compressors, and water pumps. The Dayco 5100880 is suitable for replacement in vehicles where the OEM part matches these specifications.

  • Resolves belt wear and cracking issues
  • Addresses belt slippage and squealing noises
  • Prevents accessory drive system failures
  • Maintains proper tension and alignment
  • Improves engine accessory performance consistency

Installation Notes and Tips

Ensure the correct belt routing according to the vehicle’s service manual before installation. Inspect pulleys and tensioners for wear or damage to avoid premature belt failure. Use a belt tension gauge or follow manufacturer torque specifications to achieve proper tension. The Dayco 5100880 serpentine belt should be installed with care to prevent twisting or misalignment.

Quality Assurance and Standards Compliance

Manufactured to meet SAE J1459 and SAE J2432 standards, the Dayco 5100880 serpentine belt adheres to industry requirements for durability and performance. The use of EPDM and aramid materials ensures resistance to heat, ozone, and mechanical stress. While specific warranty details are not provided, Dayco products typically undergo rigorous quality control to maintain reliability in automotive applications.

BrandDayco
Part Number5100880
MaterialEpdm, aramid reinforced
Top Width1.38
ColorBlack
Effective Length2235.20
Effective Length88.00
Outside Circumference2251.21
Outside Circumference88.63
Rib Quantity10
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:

K100879HD

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