HomeBelts and Cooling > Accessory Drive Belt System ComponentsDayco 5081145 Serpentine Belt - Fan, Alternator and Water Pump or Main Drive
Part #: 5081145

Dayco 5081145 Serpentine Belt - Fan, Alternator and Water Pump or Main Drive

Main Drive
⚙️ 8 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Chrysler and Mercedes-Benz, Crossfire, C32 AMG, and SLK32 AMG
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Durable Serpentine Belt for Chrysler and Mercedes-Benz Vehicles

The Dayco 5081145 serpentine belt is engineered to provide reliable performance for select Chrysler and Mercedes-Benz models, including the C32 AMG, Crossfire, and SLK32 AMG. Constructed with EPDM and aramid reinforcement, this belt is designed to withstand a wide range of operating temperatures while maintaining optimal flexibility and strength.

  • Material: EPDM with aramid fiber reinforcement for enhanced durability
  • Top Width: 1.10 inches
  • Effective Length: 114.50 cm (approximately 45.08 inches)
  • Outside Circumference: 115.06 cm (approximately 45.28 inches)
  • Rib Quantity: 8 ribs with a straight rib profile
  • Cross Section: K-section for consistent power transmission
  • Operating Temperature Range: -45°C to 212°F (-42.7°F to 100°C)
  • Complies with SAE J1459 and SAE J2432 standards

Technical Details and Material Composition

The Dayco 5081145 serpentine belt features a K-section cross section with eight straight ribs, providing stable engagement with pulleys and reducing slippage. The EPDM (ethylene propylene diene monomer) rubber compound combined with aramid fiber reinforcement enhances resistance to heat, wear, and stretching. This construction supports a broad temperature range from -45°C to 100°C (or -42.7°F to 212°F), making it suitable for various driving conditions encountered by Chrysler Crossfire and Mercedes-Benz C32 AMG and SLK32 AMG models.

Compatible Vehicles and Applications

This serpentine belt is specifically compatible with the following vehicles:

  • Chrysler Crossfire
  • Mercedes-Benz C32 AMG
  • Mercedes-Benz SLK32 AMG

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

Common Issues Addressed by This Serpentine Belt

  • Eliminates belt slippage and squealing noises
  • Prevents premature belt wear and cracking
  • Maintains consistent power delivery to engine accessories
  • Reduces risk of belt failure under extreme temperature conditions
  • Improves overall engine accessory system reliability

Installation Notes and Tips

When installing the Dayco 5081145 serpentine belt, ensure the belt routing matches the vehicle’s specific diagram. Inspect pulleys and tensioners for wear or damage before installation. Proper tensioning is critical to avoid premature belt wear or noise. It is recommended to replace the belt tensioner and idler pulleys if they show signs of wear during belt replacement.

Quality Assurance and Standards Compliance

Dayco serpentine belts meet SAE J1459 and SAE J2432 standards, ensuring compliance with industry requirements for durability and performance. The use of aramid reinforcement and EPDM material contributes to extended service life and resistance to environmental factors. While no specific warranty information is provided, Dayco products are manufactured under strict quality control processes to meet OEM specifications.

BrandDayco
Part Number5081145
ColorBlack
Cross SectionK-Section
Effective Length114.50
Effective Length2908.30
MaterialEPDM, Aramid Reinforced
Maximum Operating Temperature100
Maximum Operating Temperature212
Minimum Operating Temperature-45
Minimum Operating Temperature-42.7
Outside Circumference115.06
Outside Circumference2922.53
Rib DepthStandard
Rib ProfileStraight Rib
Rib Quantity8
StandardsSAE J1459, SAE J2432
Top Width1.10

This part fits 8 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2006ChryslerCrossfire3.2LV6Main Drive
2005ChryslerCrossfire3.2LV6Main Drive
2004Mercedes-BenzC32 AMGMain Drive
2004Mercedes-BenzSLK32 AMGMain Drive
2003Mercedes-BenzC32 AMGMain Drive
2003Mercedes-BenzSLK32 AMGMain Drive
2002Mercedes-BenzC32 AMGMain Drive
2002Mercedes-BenzSLK32 AMGMain 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:

K081145

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