Dayco 89265 Accessory Drive Belt Tensioner Assembly

Brand Dayco 89265
Belt Type Serpentine
Direction Clock Wise
Number of Pulleys 1
Pulley 1 Diameter 76
Pulley 1 Flat Y
Pulley 1 Width 26
Type Automatic
Fits Chevrolet, GMC, and Isuzu · 15 vehicles

Automatic tensioner. Maintains proper belt tension for consistent accessory drive performance.

Serpentine belt type. Built for serpentine belt systems in the accessory drive.

Single-pulley design. Uses one pulley for a compact, straightforward assembly.

Cross-references ACDelco 38165, CARQUEST 38165 and Dorman 419-115 for the same application. See all 14.

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Accessory Drive Belt Tensioner for GM and Isuzu

Dayco 89265 is an automatic accessory drive belt tensioner assembly for serpentine belt systems. It is built for clockwise rotation and uses a single flat pulley to maintain proper belt tension in the accessory drive system.

  • Automatic serpentine belt tensioner assembly
  • Clockwise rotation
  • Single pulley design
  • Pulley diameter: 76 mm
  • Pulley width: 26 mm
  • Flat pulley surface: yes

Fitment Details

  • Fits 1998-2003 Chevrolet S10, N/A
  • Fits 1998-2003 GMC Sonoma, N/A
  • Fits 1998-2000 Isuzu Hombre, N/A

This Dayco 89265 tensioner assembly is used in serpentine belt drive systems where consistent belt load is needed for accessory operation. It cross-references ACDelco 38165 for the same application.

Common Replacement Reasons

  • Belt squeal from weak or inconsistent tension
  • Visible pulley wear or rough pulley movement
  • Accessory belt tracking issues
  • Loss of proper belt tension in the drive system
  • Noise from a worn tensioner bearing or spring mechanism

Installation Notes

Verify clockwise rotation, pulley width, and pulley diameter before installation. Confirm serpentine belt routing and inspect the belt, idlers, and adjacent accessories for wear before replacing the tensioner. Match the application to the vehicle listing for Chevrolet S10, GMC Sonoma, or Isuzu Hombre.

Quality Assurance

Dayco manufactures belt drive components for OE-style service replacement applications. Part number 89265 is specified for the listed GM and Isuzu vehicles and should be matched to the original tensioner configuration before installation.

This part fits 15 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2003ChevroletS102.2LL4N/A
2003GMCSonoma2.2LL4N/A
2002ChevroletS102.2LL4N/A
2002GMCSonoma2.2LL4N/A
2001ChevroletS102.2LL4N/A
2001GMCSonoma2.2LL4N/A
2000ChevroletS102.2LL4N/A
2000GMCSonoma2.2LL4N/A
2000IsuzuHombre2.2LL4N/A
1999ChevroletS102.2LL4N/A
1999GMCSonoma2.2LL4N/A
1999IsuzuHombre2.2LL4N/A
1998ChevroletS102.2LL4N/A
1998GMCSonoma2.2LL4N/A
1998IsuzuHombre2.2LL4N/A
Directly replaces or cross-references 14 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
ACDelco — 38165CARQUEST — 38165Dorman — 419-115Duralast — 305265Four Seasons — 45535Freshstart — 49259Gates — 38165General Motors — 24506073General Motors — 24576073Goodyear — 49259Hayden — 5811Isuzu — 8-12363-192-0Isuzu — 8-24576-073-0NAPA — 38165