HomeBelts and Cooling > Accessory Drive Belt System ComponentsDayco 5080393 Serpentine Belt - Supercharger
Part #: 5080393

Dayco 5080393 Serpentine Belt - Supercharger

Supercharger
⚙️ 9 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Ford and Mercury, Cougar and Thunderbird
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Overview of Dayco Serpentine Belt 5080393

The Dayco serpentine belt part number 5080393 is engineered for reliable performance in Ford and Mercury vehicles, specifically designed for models like the Cougar and Thunderbird. Constructed with durable EPDM material reinforced with aramid, this belt offers consistent operation under a wide range of temperatures.

  • Material: EPDM with aramid reinforcement for enhanced strength
  • Top Width: 1.10 inches
  • Effective Length: Approximately 39.25 inches (996.95 mm)
  • Outside Circumference: About 39.88 inches (1012.96 mm)
  • Rib Quantity: 8 ribs with a straight rib profile
  • Cross Section: K-section design for optimal fit and function
  • Operating Temperature Range: -45°C to 212°F (-42.7°C to 100°C)
  • Standards Compliance: SAE J1459 and SAE J2432

Technical Details and Construction

This serpentine belt features a K-section cross section with eight straight ribs, providing a stable grip on pulleys and reducing slippage. The EPDM (ethylene propylene diene monomer) rubber compound is reinforced with aramid fibers, which improves tensile strength and resistance to wear. The belt’s effective length of 39.25 inches (996.95 mm) and outside circumference near 39.88 inches (1012.96 mm) ensure precise fitment for accessory drive systems in compatible Ford Cougar and Mercury Thunderbird models. Its rib depth is standard, designed to maintain consistent contact with pulleys under various load conditions.

Compatible Vehicles and Applications

This Dayco serpentine belt 5080393 is compatible with the following vehicles:

  • Ford Cougar
  • Mercury Cougar
  • Ford Thunderbird
  • Mercury Thunderbird

It is intended for use in accessory drive belt systems, helping to transfer power to components such as the alternator, power steering pump, and air conditioning compressor. This belt addresses common issues like belt wear, cracking, and slipping that can lead to accessory failure or engine overheating.

Common Issues Addressed by This Serpentine Belt

  • Worn or cracked belts causing noise or loss of power transmission
  • Slipping belts leading to reduced accessory performance
  • Heat-related degradation affecting belt longevity
  • Improper belt tension causing premature wear
  • Compatibility issues with original equipment specifications

Installation Notes and Tips

When installing the Dayco serpentine belt 5080393, ensure the belt routing matches the vehicle’s accessory drive diagram. Check pulleys and tensioners for wear or damage before installation. Proper tension is critical to avoid premature belt failure; use a belt tension gauge if available. Inspect the belt for any damage or defects prior to installation. This belt is designed to meet OEM specifications for Ford Cougar and Mercury Thunderbird models, so no modifications should be necessary.

Quality Assurance and Standards

The Dayco serpentine belt 5080393 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, wear, and environmental factors. While specific warranty details are not provided, Dayco products typically adhere to strict quality control processes to maintain consistent reliability in automotive applications.

BrandDayco
Part Number5080393
MaterialEpdm, aramid reinforced
Top Width1.10
ColorBlack
Effective Length39.25
Effective Length996.95
Outside Circumference1012.96
Outside Circumference39.88
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 9 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1995FordThunderbird3.8LV6Supercharger
1994FordThunderbird3.8LV6Supercharger
1993FordThunderbird3.8LV6Supercharger
1992FordThunderbird3.8LV6Supercharger
1991FordThunderbird3.8LV6Supercharger
1990FordThunderbird3.8LV6Supercharger
1990MercuryCougar3.8LV6Supercharger
1989FordThunderbird3.8LV6Supercharger
1989MercuryCougar3.8LV6Supercharger

* 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:

8K392

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