HomeBelts and Cooling > Accessory Drive Belt System ComponentsDayco 5050825 Serpentine Belt - Main Drive
Part #: 5050825

Dayco 5050825 Serpentine Belt - Main Drive

Main Drive
⚙️ 17 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Chevrolet, Pontiac, Buick, and Oldsmobile, Beretta, Cavalier, Corsica, Tempest, Skyhawk, and Firenza
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Reliable Serpentine Belt for Buick, Chevrolet, Oldsmobile, and Pontiac

The Dayco 5050825 serpentine belt is engineered to provide consistent performance for select Buick, Chevrolet, Oldsmobile, and Pontiac models. Designed with durable materials and precise specifications, this belt supports the accessory drive system to maintain optimal engine operation.

  • Material: EPDM with aramid reinforcement for enhanced strength and durability
  • Top Width: 0.68 inches
  • Effective Length: 82.50 inches (2095.50 mm)
  • Outside Circumference: 83.16 inches (2112.27 mm)
  • Rib Quantity: 5 ribs with a straight rib profile
  • Cross Section: K-section for compatibility with specific pulley designs
  • Operating Temperature Range: -45°C to 100°C (-49°F to 212°F)
  • Complies with SAE J1459 and SAE J2432 standards

Durable Construction and Precise Specifications

The Dayco 5050825 serpentine belt is constructed from EPDM rubber reinforced with aramid fibers, providing resistance to heat, wear, and stretching. Its 5-rib K-section design ensures proper fit and efficient power transmission across the accessory drive components. The belt’s effective length and outside circumference are engineered to match the accessory drive systems of Buick Cavalier, Chevrolet Corsica, Oldsmobile Firenza, Pontiac Skyhawk, and Pontiac Tempest models. The straight rib profile and standard rib depth contribute to smooth operation and reduced noise.

Compatible Vehicle Applications

This serpentine belt is compatible with the following vehicles:

  • Buick Cavalier
  • Chevrolet Corsica
  • Oldsmobile Firenza
  • Pontiac Skyhawk
  • Pontiac Tempest

Ensure compatibility by verifying the part number 5050825 when replacing the accessory drive belt on these models.

Common Issues Addressed by This Serpentine Belt

  • Worn or cracked belts causing slipping or noise
  • Loss of power to alternator, power steering, or air conditioning
  • Overheating due to belt failure affecting the water pump
  • Reduced fuel efficiency from improper belt tension
  • Premature belt wear from exposure to extreme temperatures

Installation Notes and Tips

When installing the Dayco 5050825 serpentine belt, ensure the belt routing matches the vehicle’s accessory drive diagram. Inspect pulleys and tensioners for wear or damage before installation. Use a belt tension gauge or follow manufacturer specifications to achieve proper tension. Avoid twisting or forcing the belt during installation to prevent damage.

Quality Assurance and Standards Compliance

Dayco serpentine belts meet SAE J1459 and SAE J2432 standards, ensuring reliable performance under specified operating conditions. The EPDM and aramid reinforced construction supports a maximum operating temperature of up to 100°C (212°F) and a minimum of -45°C (-49°F), suitable for a wide range of environments. The product is backed by Dayco’s quality control processes to maintain consistency and durability.

BrandDayco
Part Number5050825
ColorBlack
Cross SectionK-Section
Effective Length82.50
Effective Length2095.50
MaterialEPDM, Aramid Reinforced
Maximum Operating Temperature100
Maximum Operating Temperature212
Minimum Operating Temperature-45
Minimum Operating Temperature-42.7
Outside Circumference83.16
Outside Circumference2112.27
Rib DepthStandard
Rib ProfileStraight Rib
Rib Quantity5
StandardsSAE J1459, SAE J2432
Top Width.68

This part fits 17 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1990ChevroletCavalier2.2LL4Main DriveSerpentine Belt for vehicles with Factory Air
1990ChevroletCorsica2.2LL4Main DriveSerpentine Belt for vehicles with Factory Air
1990PontiacTempest2.2LL4Main DriveCompatible with vehicles containing air conditioning.
1989BuickSkyhawkMain DriveSerpentine Belt for vehicles with Factory Air
1989ChevroletCavalier2.0LL4Main DriveSerpentine Belt for vehicles with Factory Air
1989ChevroletCorsica2.0LL4Main DriveSerpentine Belt for vehicles with Factory Air
1989PontiacTempest2.0LL4Main DriveCompatible with vehicles containing air conditioning.
1988BuickSkyhawkMain DriveSerpentine Belt for vehicles with Factory Air
1988ChevroletCavalier2.0LL4Main DriveSerpentine Belt for vehicles with Factory Air
1988ChevroletCorsica2.0LL4Main DriveSerpentine Belt for vehicles with Factory Air
1988OldsmobileFirenza2.0LL4Main DriveCompatible with vehicles containing air conditioning.
1988PontiacTempest2.0LL4Main DriveCompatible with vehicles containing air conditioning.
1987BuickSkyhawkMain DriveSerpentine Belt for vehicles with Factory Air
1987ChevroletCavalier2.0LL4Main DriveSerpentine Belt for vehicles with Factory Air
1987ChevroletCorsica2.0LL4Main DriveSerpentine Belt for vehicles with Factory Air
1987OldsmobileFirenza2.0LL4Main DriveCompatible with vehicles containing air conditioning.
1987PontiacTempest2.0LL4Main DriveCompatible with vehicles containing 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:

5K825

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