HomeBelts and Cooling > Accessory Drive Belt System ComponentsDayco 5040512 Serpentine Belt - Main Drive, Power Steering or Water Pump and Idler
Part #: 5040512

Dayco 5040512 Serpentine Belt - Main Drive, Power Steering or Water Pump and Idler

Main Drive
⚙️ 40 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Ford, Lincoln, Nissan, and Chrysler, Bronco Sport, EcoSport, Corsair, Focus, Altima, and PT Cruiser
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Durable Serpentine Belt for Chrysler, Ford, Lincoln, and Nissan Vehicles

The Dayco 5040512 serpentine belt is engineered to provide reliable performance for a range of vehicles including the Nissan Altima, Ford Bronco Sport, Lincoln Corsair, and Chrysler PT Cruiser. 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 longevity
  • Top Width: 0.54 inches
  • Effective Length: 51.20 inches (1300.48 mm)
  • Outside Circumference: 51.76 inches (1314.71 mm)
  • Rib Quantity: 4 ribs with a straight rib profile
  • Cross Section: K-section design for optimal fit and performance
  • Operating Temperature Range: -45°C to 100°C (-49°F to 212°F)
  • Meets SAE J1459 and SAE J2432 standards for quality and reliability

Technical Overview of Dayco 5040512 Serpentine Belt

This serpentine belt features a K-section cross section with four straight ribs, designed to maintain consistent contact with pulleys and reduce slippage. The EPDM material combined with aramid reinforcement enhances resistance to heat, ozone, and wear, making it suitable for the demanding environments found in vehicles like the Ford EcoSport and Nissan Altima. The belt’s effective length and outside circumference ensure compatibility with accessory drive systems in select Chrysler, Ford, Lincoln, and Nissan models.

Compatible Vehicles and Applications

The Dayco 5040512 serpentine belt is compatible with the following makes and models:

  • Chrysler PT Cruiser
  • Ford Bronco Sport, EcoSport, Escape, Focus
  • Lincoln Corsair
  • Nissan Altima

This belt is designed for use in accessory drive belt systems, helping to transfer power to 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 power to accessory components
  • Overheating due to belt failure
  • Reduced fuel efficiency from inefficient belt operation
  • Premature belt wear from exposure to extreme temperatures

Installation Notes and Tips

When installing the Dayco 5040512 serpentine belt, ensure the belt routing matches the vehicle’s accessory drive diagram. Inspect pulleys and tensioners for wear or damage before installation. Proper tensioning is critical to prevent slippage and extend belt life. It is recommended to replace the belt as part of routine maintenance intervals or when signs of wear are evident.

Quality Assurance and Warranty

Dayco serpentine belts comply with SAE J1459 and SAE J2432 standards, ensuring consistent quality and performance. The EPDM and aramid reinforced construction provides durability under a wide temperature range from -45°C to 100°C (-49°F to 212°F). Warranty coverage details should be confirmed with the vehicle manufacturer or authorized Dayco distributor.

BrandDayco
Part Number5040512
ColorBlack
Cross SectionK-Section
Effective Length51.20
Effective Length1300.48
MaterialEPDM, Aramid Reinforced
Maximum Operating Temperature100
Maximum Operating Temperature212
Minimum Operating Temperature-45
Minimum Operating Temperature-42.7
Outside Circumference51.76
Outside Circumference1314.71
Rib DepthStandard
Rib ProfileStraight Rib
Rib Quantity4
StandardsSAE J1459, SAE J2432
Top Width.54

This part fits 40 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2024FordBronco Sport2.0LL4Alternator and Water Pump
2023FordBronco Sport2.0LL4Alternator and Water Pump
2022FordBronco Sport2.0LL4Alternator and Water Pump
2022FordEcoSportMain Drive
2022FordEscape2.0LL4Main Drive
2022LincolnCorsair2.0LL4Main Drive
2021FordBronco Sport2.0LL4Main Drive
2021FordEcoSport2.0LL4Main Drive
2021FordEscape2.0LL4Main Drive
2021LincolnCorsair2.3LL4Main Drive
2020FordEcoSport2.0LL4Main Drive
2020FordEscape2.0LL4Main Drive
2020LincolnCorsair2.3LL4Main Drive
2019FordEcoSport2.0LL4Main Drive
2018FordEcoSport2.0LL4Main Drive
2018FordFocus2.0LL4Main Drive
2017FordFocus2.0LL4GASMain Drive
2017FordFocus2.0LL4FLEXMain Drive
2016FordFocus2.0LL4GASMain Drive
2016FordFocus2.0LL4FLEXMain Drive
2015FordFocus2.0LL4GASMain Drive
2015FordFocus2.0LL4FLEXMain Drive
2014FordFocus2.0LL4GASMain Drive
2014FordFocus2.0LL4FLEXMain Drive
2013FordFocus2.0LL4GASMain Drive
2013FordFocus2.0LL4FLEXMain Drive
2012FordFocus2.0LL4FLEXMain Drive4 Rib Design
2011NissanAltima2.5LL4ELECTRIC/GASWater Pump and Idler
2010ChryslerPT CruiserPower SteeringFits vehicles without air conditioning.
2010NissanAltima2.5LL4ELECTRIC/GASWater Pump and Idler
2009ChryslerPT CruiserPower SteeringFits vehicles without air conditioning.
2009NissanAltima2.5LL4ELECTRIC/GASWater Pump and Idler
2008ChryslerPT CruiserPower SteeringFits vehicles without air conditioning.
2008NissanAltima2.5LL4ELECTRIC/GASWater Pump and Idler
2007ChryslerPT CruiserPower SteeringFits vehicles without air conditioning.
2007NissanAltima2.5LL4ELECTRIC/GASWater Pump and Idler
2006ChryslerPT CruiserPower SteeringFits vehicles without air conditioning.
2005ChryslerPT CruiserPower SteeringFits vehicles without air conditioning.
2004ChryslerPT CruiserPower SteeringFits vehicles without air conditioning.
2003ChryslerPT CruiserPower SteeringFits vehicles without air conditioning.

* 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:

4K512

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