Dayco 89619 Accessory Drive Belt Tensioner Assembly

Brand Dayco 89619
Belt Type Serpentine
Direction Counter Clock Wise
Number of Pulleys 1
Pulley 1 Diameter 76
Pulley 1 Flat Y
Pulley 1 Width 37.4
Type Automatic
Fits Honda and Acura · 16 vehicles

Automatic tensioner assembly. Keeps serpentine belt tension consistent for reliable accessory drive operation.

Single-pulley design. Simplifies the belt drive with a compact, efficient layout.

Flat pulley. Provides smooth belt tracking for steady performance.

Cross-references ACDelco 39073, CARQUEST 39073 and Duralast 305619 for the same application. See all 10.

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Accessory Drive Belt Tensioner for Honda and Acura

Dayco 89619 is an automatic accessory drive belt tensioner assembly for serpentine belt systems. It is built for direct-fit applications on select Honda Accord, Honda Crosstour, and Acura TSX models, helping maintain proper belt tension for consistent accessory drive operation.

  • Automatic accessory drive belt tensioner assembly
  • Serpentine belt type
  • Counter clockwise rotation
  • Single pulley design
  • Pulley 1 diameter: 76 mm
  • Pulley 1 width: 37.4 mm
  • Flat pulley face: yes

Fitment and Application Details

Compatible With 2008-2012 Honda Accord, 2012-2015 Honda Crosstour, and 2010-2014 Acura TSX. For 2009 Acura TSX, this listing covers both 1st Design and 2nd Design applications. Dayco 89619 is also cross-referenced with Gates 39073 for the same application.

How This Tensioner Is Used

  • Restores proper serpentine belt tension when the original tensioner is worn
  • Addresses belt noise caused by weak or inconsistent tension
  • Helps correct belt tracking issues related to pulley wear
  • Supports stable accessory drive operation on the engine front drive system
  • Replaces a tensioner with a damaged pulley or reduced spring force

Installation Notes and Tips

Verify belt routing, pulley alignment, and rotation direction before installation. Confirm the pulley dimensions and the vehicle’s design revision, especially on 2009 Acura TSX applications marked 1st Design or 2nd Design. Match the replacement to the existing serpentine belt system and inspect the belt condition during service.

Quality Assurance

Dayco manufactures accessory drive components for OE-style replacement needs, and this tensioner assembly is specified for the listed Honda and Acura applications. Part number 89619 should be matched to the vehicle fitment data before installation.

This part fits 16 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2015HondaCrosstour2.4LL4N/A
2014AcuraTSX2.4LL4N/A
2014HondaCrosstour2.4LL4N/A
2013AcuraTSX2.4LL4N/A
2013HondaCrosstour2.4LL4N/A
2012AcuraTSX2.4LL4N/A
2012HondaAccord2.4LL4N/A
2012HondaCrosstour2.4LL4N/A
2011AcuraTSX2.4LL4N/A
2011HondaAccord2.4LL4N/A
2010AcuraTSX2.4LL4N/A
2010HondaAccord2.4LL4N/A
2009AcuraTSXN/A1st Design
2009AcuraTSXN/A2nd Design
2009HondaAccord2.4LL4N/A
2008HondaAccord2.4LL4N/A
Directly replaces or cross-references 10 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
ACDelco — 39073CARQUEST — 39073Duralast — 305619Gates — 39073Goodyear — 49432Hayden — 5529Honda — 31170-R40-A01Honda — 31170-R40-A02Honda — 31170-RLF-J01NAPA — 39073