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Dayco 89727 Accessory Drive Belt Tensioner AssemblyOE Quality 60-Day Returns
Part #: 89727

Dayco 89727 Accessory Drive Belt Tensioner Assembly

28 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: BMW and Mini, Cooper, Cooper Clubman, Cooper Countryman, X1, and X2
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Accessory Drive Belt Tensioner for BMW and Mini

Dayco 89727 is an automatic accessory drive belt tensioner assembly for serpentine belt systems. It is built for direct-fit applications on select BMW X1, BMW X2, Mini Cooper, Mini Cooper Clubman, and Mini Cooper Countryman models.

Key Features

  • Automatic accessory drive belt tensioner assembly
  • Serpentine belt type
  • Counter clockwise rotation
  • 1 pulley with 65 mm diameter
  • Flat pulley design with 25.6 mm width
  • Dayco part number 89727

Detailed Description

This Dayco accessory drive belt tensioner assembly, part number 89727, is used in serpentine belt drive systems to maintain proper belt tension across the accessory drive. The automatic design helps keep belt engagement consistent as engine speed and load change. It is a direct application for 2014-2019 Mini Cooper, 2016-2019 Mini Cooper Clubman, 2017-2019 Mini Cooper Countryman, 2016-2019 BMW X1, and 2018-2019 BMW X2. If you are sourcing a Dayco 89727 replacement for a BMW X1 or Mini Cooper belt drive repair, this assembly matches the listed vehicle applications and pulley specifications.

What It Is Used For

  • Restoring proper serpentine belt tension
  • Addressing belt squeal caused by weak tension control
  • Replacing a worn or noisy tensioner pulley assembly
  • Correcting belt tracking issues in the accessory drive system
  • Supporting reliable operation of belt-driven accessories

Installation Notes and Tips

Verify belt routing, pulley diameter, and rotation direction before installation. This tensioner uses a counter clockwise design and a single flat pulley, so matching the original configuration is important for proper operation. Confirm vehicle application by year, make, and model before ordering Dayco 89727.

Quality Assurance

Dayco is a recognized supplier of accessory drive components, and this tensioner assembly is built to meet the listed OE-style application requirements for the specified BMW and Mini vehicles.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

  • Fits 2016-2019 BMW X1, N/A
  • Fits 2018-2019 BMW X2, N/A
  • Fits 2014-2019 Mini Cooper, N/A
  • Fits 2016-2019 Mini Cooper Clubman, N/A
  • Fits 2017-2019 Mini Cooper Countryman, N/A
BrandDayco
Part Number89727
Belt TypeSerpentine
DirectionCounter clock wise
Number of Pulleys1
Pulley 1 Diameter65
Pulley 1 FlatY
Pulley 1 Width25.6
TypeAutomatic

This part fits 28 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2019BMWX12.0LL4N/A
2019BMWX22.0LL4N/A
2019MiniCooper2.0LL4N/A
2019MiniCooper1.5LL3N/A
2019MiniCooper Clubman2.0LL4N/A
2019MiniCooper Clubman1.5LL3N/A
2019MiniCooper Countryman1.5LL3GASN/A
2018BMWX12.0LL4N/A
2018BMWX2N/A
2018MiniCooper2.0LL4N/A
2018MiniCooper1.5LL3N/A
2018MiniCooper Clubman2.0LL4N/A
2018MiniCooper Clubman1.5LL3N/A
2018MiniCooper Countryman1.5LL3GASN/A
2017BMWX12.0LL4N/A
2017MiniCooper2.0LL4N/A
2017MiniCooper1.5LL3N/A
2017MiniCooper Clubman2.0LL4N/A
2017MiniCooper Clubman1.5LL3N/A
2017MiniCooper Countryman1.5LL3N/A
2016BMWX1N/A
2016MiniCooper2.0LL4N/A
2016MiniCooper1.5LL3N/A
2016MiniCooper Clubman2.0LL4N/A
2016MiniCooper Clubman1.5LL3N/A
2015MiniCooper2.0LL4N/A
2015MiniCooper1.5LL3N/A
2014MiniCooper2.0LL4N/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

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