Dayco 5080537 Serpentine Belt - Alternator or Fan and Alternator

Brand Dayco 5080537
Position Fan and Alternator
Color Black
Cross Section K-Section
Effective Length 53.74
Effective Length 1365.00
Material EPDM, Aramid Reinforced
Maximum Operating Temperature 100
Maximum Operating Temperature 212
Minimum Operating Temperature -45
Minimum Operating Temperature -42.7
Outside Circumference 54.37
Outside Circumference 1381.00
Rib Depth Standard
Rib Profile Straight Rib
Rib Quantity 8
Standards SAE J1459, SAE J2432
Top Width 1.10
Fits Chevrolet and GMC · 5 vehicles

Aramid reinforced. EPDM construction helps resist wear and heat.

Eight-rib design. Delivers reliable grip for accessory drive systems.

SAE compliant. Built to meet J1459 and J2432 standards.

Cross-references ACDelco 8K537, ACDelco K080537HD and AGCO AG061162 for the same application. See all 35.

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Dayco 5080537 Serpentine Belt Overview

The Dayco 5080537 serpentine belt is a K-section accessory drive belt built with EPDM and aramid reinforcement for stable operation in demanding engine bays. It is a black, 8-rib belt with a 1.10 top width and an effective length of 53.74 in. for direct replacement applications.

Compatible with select Chevrolet P30 and GMC P3500 fan and alternator setups, this belt is specified for 1990-1991 Chevrolet P30 and 1989-1991 GMC P3500 applications. The Dayco 5080537 also cross-references Gates K080537 and ACDelco 8K537 for the same application.

Key Features

  • EPDM construction with aramid reinforcement for durability in accessory drive service
  • 8-rib K-section profile with straight rib design for consistent pulley engagement
  • Effective length: 53.74 in. / 1365 mm
  • Outside circumference: 54.37 in. / 1381 mm
  • Top width: 1.10 in.
  • Operating temperature range: -45°F to 212°F
  • Built to SAE J1459 and SAE J2432 standards

Detailed Description

Dayco 5080537 is a serpentine belt for accessory drive systems that require an 8-rib K-section belt with a 54-inch class length. Its EPDM rubber compound and aramid reinforcement support consistent belt tracking and wear resistance across a wide temperature range. This makes it a direct-fit choice for fan and alternator drive service on 1990-1991 Chevrolet P30 and 1989-1991 GMC P3500 vehicles.

For buyers searching by vehicle and application, this belt matches fan and alternator belt needs on Chevrolet P30 and GMC P3500 models with the listed belt length. The Dayco 5080537 part number is also useful when cross-shopping OE and aftermarket references for the same accessory drive setup.

What This Belt Helps Address

  • Squealing or slipping accessory drive belts
  • Cracking, glazing, or rib wear on the existing belt
  • Loss of alternator or fan drive performance
  • Incorrect belt length on fan and alternator applications
  • Service replacement for worn serpentine belt routing

Installation Notes and Tips

Verify rib count, belt length, and pulley routing before installation. Confirm the accessory drive layout on the vehicle and compare the removed belt to the Dayco 5080537 to ensure the correct 8-rib K-section profile. Inspect pulleys and tensioner components for wear before installing a new belt, and check alignment after startup.

Quality Assurance

This belt is manufactured to SAE J1459 and SAE J2432 standards for accessory drive belt performance. Dayco part number 5080537 is engineered for the specified Chevrolet P30 and GMC P3500 fan and alternator applications.

This part fits 5 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
1991ChevroletP303.9LL4Fan and Alternator54 In. Belt
1991GMCP35003.9LL4Fan and Alternator54 In. Belt
1990ChevroletP303.9LL4Fan and Alternator54 In. Belt
1990GMCP35003.9LL4Fan and Alternator53 3/4 In. Belt
1989GMCP35003.9LL4Fan and Alternator53 3/4 In. Belt
Directly replaces or cross-references 35 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
ACDelco — 8K537ACDelco — K080537HDAGCO — AG061162CARQUEST — K080537CARQUEST — K080537HDCase — J906384Case — J911587Cummins — 0511-0161-15Cummins — 1373281Cummins — 3285104Cummins — 3288689Cummins — 3290040Cummins — 3820401Cummins — 3906384Cummins — 3911587Cummins — 3915909Dynacraft — D1102-7371Freightliner — 01-23415-004Freshstart — 535K8Gates — K080537Gates — K080537HDGoodyear — 4080535Goodyear — 4080537John Deere — M1992449John Deere — R133700Komatsu — 885-3273-673Komatsu — 6222-63-3830Komatsu — 1257785H1NAPA — 25-080537NAPA — 25-080537HDNAPA — 25-71363Navistar — 3501574-C1Onan — 511-0161-15Volvo — 20412535Volvo — 21190817