HomeBelts and Cooling > Accessory Drive Belt System ComponentsDayco 5100655 Serpentine Belt - Fan, Fan and Alternator or Fan To Alternator
Part #: 5100655

Dayco 5100655 Serpentine Belt - Fan, Fan and Alternator or Fan To Alternator

Fan To Alternator, Fan and Alternator, and Fan
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Durable Dayco Serpentine Belt for Reliable Engine Performance

The Dayco 5100655 serpentine belt is engineered to provide consistent power transmission for accessory drive systems. Constructed with EPDM and aramid reinforcement, this belt offers enhanced durability and resistance to wear, making it suitable for various vehicle applications requiring a 10-rib K-section belt.

  • Material: EPDM with aramid fiber reinforcement for strength and longevity
  • Top Width: 1.38 inches ensuring proper fit and tension
  • Effective Length: Approximately 66 inches (1664.97 mm) for precise compatibility
  • Rib Quantity: 10 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) for reliable performance in varied climates
  • Complies with SAE J1459 and SAE J2432 standards for quality and safety

Technical Overview of Dayco 5100655 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 10-rib design with a straight rib profile ensures efficient power transfer to engine accessories such as the alternator, power steering pump, and air conditioning compressor. The K-section cross section is a common profile that fits many modern vehicles, providing a balance between flexibility and durability. With an outside circumference of approximately 66.18 inches, this belt is designed for precise fitment and optimal tensioning.

Common Applications and Problem Solving

  • Replacement for worn or cracked serpentine belts causing squealing or slipping
  • Restores proper accessory drive function in vehicles experiencing belt noise or loss of power
  • Addresses belt degradation due to heat exposure or environmental factors
  • Prevents engine accessory failure by maintaining consistent belt tension
  • Suitable for vehicles requiring a 10-rib, 1.38-inch wide K-section belt

Installation Notes and Tips

Ensure the belt routing matches the vehicle’s accessory drive diagram before installation. Inspect pulleys and tensioners for wear or damage to avoid premature belt failure. Use proper tensioning tools to achieve manufacturer-recommended belt tension. Avoid twisting or forcing the belt during installation to maintain rib integrity.

Quality Assurance and Standards Compliance

The Dayco 5100655 serpentine belt meets SAE J1459 and SAE J2432 standards, ensuring it adheres to industry requirements for performance and durability. Manufactured with high-quality EPDM and aramid materials, this belt is designed to withstand temperature extremes from -45°C to 212°F. While no specific warranty information is provided, Dayco products are generally recognized for consistent quality in automotive belt applications.

BrandDayco
Part Number5100655
MaterialEpdm, aramid reinforced
Top Width1.38
ColorBlack
Effective Length1664.97
Effective Length65.55
Outside Circumference1680.98
Outside Circumference66.18
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:

10K655K100655HD

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