HomeBelts and Cooling > Accessory Drive Belt System ComponentsDayco 5050855 Serpentine Belt - Main Drive
Part #: 5050855

Dayco 5050855 Serpentine Belt - Main Drive

Main Drive
⚙️ 6 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Ford and Mercury, Tempo and Topaz
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Durable Serpentine Belt for Ford Tempo and Mercury Topaz

The Dayco 5050855 serpentine belt is engineered to provide reliable accessory drive performance for Ford Tempo and Mercury Topaz vehicles. Constructed with EPDM and aramid reinforcement, this belt offers enhanced durability and resistance to wear under various operating conditions.

  • Material: EPDM with aramid fiber reinforcement for strength and flexibility
  • Top Width: 0.68 inches
  • Effective Length: Approximately 85.5 inches (2171.70 mm)
  • Outside Circumference: Approximately 86.16 inches (2188.47 mm)
  • Rib Quantity: 5 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)
  • Complies with SAE J1459 and SAE J2432 standards

Technical Overview of Dayco 5050855 Serpentine Belt

This serpentine belt is designed specifically for accessory drive systems requiring a 5-rib K-section belt. The EPDM material combined with aramid reinforcement ensures resistance to heat, ozone, and wear, extending belt life in demanding engine environments. The straight rib profile maintains consistent contact with pulleys, reducing slippage and noise. Its dimensional specifications, including a top width of 0.68 inches and an effective length near 85.5 inches, make it compatible with the accessory drive systems of Ford Tempo and Mercury Topaz models.

Compatible Vehicles and Applications

This Dayco serpentine belt is compatible with the following vehicles:

  • Ford Tempo
  • Mercury Topaz

It is designed to replace worn or damaged belts in the accessory drive system, ensuring proper operation of components such as the alternator, power steering pump, and air conditioning compressor.

Common Issues Addressed by This Serpentine Belt

  • Worn or cracked belts causing slipping or noise
  • Loss of accessory drive function due to belt failure
  • Reduced engine efficiency from improper belt tension
  • Heat-related belt degradation in older belts
  • Compatibility issues with original equipment replacement belts

Installation Notes and Tips

When installing the Dayco 5050855 serpentine belt, ensure the belt routing matches the vehicle’s accessory drive diagram. Check pulleys and tensioners for wear or damage before installation. Proper tensioning is critical to prevent premature belt wear or slippage. It is recommended to replace the belt tensioner and inspect all accessory pulleys during belt replacement for optimal system performance.

Quality Assurance and Standards Compliance

The Dayco 5050855 serpentine belt meets SAE J1459 and SAE J2432 standards, ensuring it adheres to industry requirements for durability and performance. Manufactured with high-quality EPDM and aramid materials, this belt is designed to withstand operating temperatures from -45°C to 212°F. While specific warranty details are not provided, Dayco products typically undergo rigorous quality control to meet OEM specifications.

BrandDayco
Part Number5050855
ColorBlack
Cross SectionK-Section
Effective Length85.50
Effective Length2171.70
MaterialEPDM, Aramid Reinforced
Maximum Operating Temperature100
Maximum Operating Temperature212
Minimum Operating Temperature-45
Minimum Operating Temperature-42.7
Outside Circumference86.16
Outside Circumference2188.47
Rib DepthStandard
Rib ProfileStraight Rib
Rib Quantity5
StandardsSAE J1459, SAE J2432
Top Width.68

This part fits 6 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1994FordTempo2.3LL4Main Drive
1994MercuryTopaz2.3LL4Main Drive
1993FordTempo2.3LL4Main Drive
1993MercuryTopaz2.3LL4Main Drive
1992FordTempo2.3LL4Main Drive
1992MercuryTopaz2.3LL4Main Drive

* 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:

5K855

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