Dayco 5050825 Serpentine Belt - Main Drive

Brand Dayco 5050825
Position Main Drive
Color Black
Cross Section K-Section
Effective Length 82.50
Effective Length 2095.50
Material EPDM, Aramid Reinforced
Maximum Operating Temperature 100
Maximum Operating Temperature 212
Minimum Operating Temperature -45
Minimum Operating Temperature -42.7
Outside Circumference 83.16
Outside Circumference 2112.27
Rib Depth Standard
Rib Profile Straight Rib
Rib Quantity 5
Standards SAE J1459, SAE J2432
Top Width .68
Fits Chevrolet, Pontiac, Buick, and Oldsmobile · 17 vehicles

Aramid reinforced. EPDM construction adds strength and durability for demanding accessory drive use.

Straight rib profile. Helps maintain smooth, efficient power transfer across the belt.

SAE compliant. Built to meet SAE J1459 and SAE J2432 standards.

Cross-references ACDelco 5K825, Atlas 5K0825 and AutoZone 825K5 for the same application. See all 19.

$22.21Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.

Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $22.21
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Dayco 5050825 Serpentine Belt Overview

The Dayco 5050825 serpentine belt is a main drive belt built for accessory drive systems that require a 5-rib K-section profile. Made from EPDM with aramid reinforcement, it is engineered for stable operation across a wide temperature range and is sized for specific factory air applications in select Chevrolet, Pontiac, Buick, and Oldsmobile vehicles.

  • EPDM construction with aramid reinforcement for durable belt performance
  • 5-rib, straight-rib design for accessory drive applications
  • Black K-section belt with a .68 top width
  • Effective length: 82.50 in. / 2095.50 mm
  • Outside circumference: 83.16 in. / 2112.27 mm
  • Operating temperature range: -45°F to 212°F
  • Built to SAE J1459 and SAE J2432 standards

Fitment Details

Fits 1987-1990 Chevrolet Cavalier, Main Drive, serpentine belt for vehicles with factory air. Fits 1987-1990 Chevrolet Corsica, Main Drive, serpentine belt for vehicles with factory air. Fits 1987-1990 Pontiac Tempest, Main Drive, compatible with vehicles containing air conditioning. Fits 1987-1989 Buick Skyhawk, Main Drive, serpentine belt for vehicles with factory air. Fits 1987-1988 Oldsmobile Firenza, Main Drive, compatible with vehicles containing air conditioning.

Dayco 5050825 is a direct-fit serpentine belt choice for owners searching for a replacement belt for 1987-1990 Chevrolet Cavalier factory air models, 1987-1990 Chevrolet Corsica factory air models, and related GM compact applications. The belt’s EPDM compound and aramid reinforcement help maintain consistent tension and wear characteristics in accessory drive service, while the 5-rib profile supports proper pulley engagement in the main drive system.

What This Belt Helps Address

  • Squealing or chirping from a worn accessory drive belt
  • Cracking, glazing, or fraying on the existing serpentine belt
  • Loss of belt grip on alternator, power steering, or A/C drive components
  • Incorrect belt length after replacing a worn OE belt
  • Drive belt service needs on factory air-equipped GM compact vehicles

Installation Notes

Verify the belt routing and pulley count before installation, and confirm the vehicle uses the factory air or air conditioning configuration listed in the fitment data. Inspect tensioner, idler pulleys, and accessory pulleys for wear before installing the new belt, since pulley condition can affect belt tracking and service life. The Dayco 5050825 should be matched to the specified main drive application and belt dimensions for proper fit.

Quality Assurance

This belt is manufactured to SAE J1459 and SAE J2432 standards, supporting consistent dimensional and performance requirements for accessory drive service.

This part cross-references Gates K050825 and Continental-ContiTech PK050825 for the same application.

This part fits 17 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
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.
Directly replaces or cross-references 19 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
ACDelco — 5K825Atlas — 5K0825AutoZone — 825K5Bando — 5PK2095CARQUEST — K050825Continental-ContiTech — PK050825Driveworks — 825K5Duralast — 825K5Dynacraft — D1102-7099Freshstart — 825K5Gates — K050825General Motors — 10045154General Motors — 14090085Goodyear — 4050825Mighty Distributing System — 5K825NAPA — 25-050825NAPA — 25-72095Pirelli — 825K5V&W — 825K5