Dayco 89736 Accessory Drive Belt Tensioner Assembly - Right

Brand Dayco 89736
Position Right
Belt Type Serpentine
Direction Counter clock wise
Number of Pulleys 1
Pulley 1 Diameter 70
Pulley 1 Flat Y
Pulley 1 Width 25
Type Automatic
Fits Ford · 71 vehicles

Automatic tensioner assembly. Maintains proper serpentine belt tension for consistent drive performance.

Single-pulley design. Uses one pulley for a compact, efficient belt drive setup.

Serpentine belt compatible. Built for accessory drive systems that use a serpentine belt.

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Accessory Drive Belt Tensioner for Transit

Restore proper serpentine belt tension with this Dayco accessory drive belt tensioner assembly, Part Number 89736. It is an automatic tensioner with a single 70 mm flat pulley and counter clockwise rotation for Ford Transit right-side applications.

Key Features

  • Brand: Dayco
  • Part Number: 89736
  • Accessory drive belt tensioner assembly for serpentine belt systems
  • Automatic tensioner design
  • Counter clockwise rotation
  • Single pulley design with 70 mm pulley diameter
  • Flat pulley profile, 25 mm pulley width
  • Right-side fitment for listed Ford Transit applications

Fitment Details

  • Fits 2015-2026 Ford Transit-150, right.
  • Fits 2015-2026 Ford Transit-250, right.
  • Fits 2015-2019 Ford Transit-350, right.
  • Fits 2025-2026 Ford Transit-350, right.
  • Fits 2015-2019 Ford Transit-350 HD, right.
  • Fits 2025 Ford Transit-350 HD, right.
  • Fits 2022-2024 Ford Transit-350, right, dual alternators.
  • Fits 2022-2024 Ford Transit-350 HD, right, dual alternators.
  • Fits 2020-2021 Ford Transit-350, right, dual alternator vehicles.
  • Fits 2020-2021 Ford Transit-350, right, compatible with single alternator systems.
  • Fits 2020-2021 Ford Transit-350 HD, right, dual alternator vehicles.
  • Fits 2020-2021 Ford Transit-350 HD, right, compatible with single alternator systems.

What This Part Helps Address

  • Serpentine belt slack or inconsistent belt tension
  • Belt noise caused by a worn tensioner assembly
  • Belt tracking issues related to pulley wear
  • Accessory drive instability on Ford Transit vans
  • Service replacement for a failing right-side tensioner on Transit-150, Transit-250, Transit-350, and Transit-350 HD models

Installation Notes and Tips

Verify pulley diameter, rotation direction, and right-side placement before installation. This Dayco 89736 tensioner is specified for serpentine belt systems and should be matched to the vehicle’s alternator configuration, including dual alternator and single alternator notes where listed. Confirm belt routing and inspect the belt, idlers, and adjacent accessory drive components during service.

Quality Assurance

Dayco is a recognized name in accessory drive system components, and this tensioner assembly is built to meet the fitment and configuration requirements listed for Ford Transit applications. Part Number 89736 is specified for the exact vehicle coverage shown above.

This part fits 71 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersFuel TypePositionNotes
2026FordTransit-150Right
2026FordTransit-250Right
2026FordTransit-350Right
2025FordTransit-150Right
2025FordTransit-250Right
2025FordTransit-350Right
2025FordTransit-350 HDRight
2024FordTransit-150Right
2024FordTransit-250Right
2024FordTransit-350RightDual Alts.
2024FordTransit-350 HDRightDual Alts.
2023FordTransit-150Right
2023FordTransit-250Right
2023FordTransit-350RightDual Alts.
2023FordTransit-350 HDRightDual Alts.
2022FordTransit-150Right
2022FordTransit-250Right
2022FordTransit-350RightDual Alts.
2022FordTransit-350 HDRightDual Alts.
2021FordTransit-150Right
2021FordTransit-250Right
2021FordTransit-350RightDual alternator vehicles.
2021FordTransit-350GASRightCompatible with single alternator systems.
2021FordTransit-350 HDRightDual alternator vehicles.
2021FordTransit-350 HDGASRightCompatible with single alternator systems.
2020FordTransit-150Right
2020FordTransit-250Right
2020FordTransit-350RightDual alternator vehicles.
2020FordTransit-350GASRightCompatible with single alternator systems.
2020FordTransit-350 HDRightDual alternator vehicles.
2020FordTransit-350 HDGASRightCompatible with single alternator systems.
2019FordTransit-1503.7LV6Right
2019FordTransit-1503.5LV6Right
2019FordTransit-2503.7LV6Right
2019FordTransit-2503.5LV6Right
2019FordTransit-3503.7LV6Right
2019FordTransit-3503.5LV6Right
2019FordTransit-350 HD3.7LV6Right
2019FordTransit-350 HD3.5LV6Right
2018FordTransit-1503.7LV6Right
2018FordTransit-1503.5LV6Right
2018FordTransit-2503.7LV6Right
2018FordTransit-2503.5LV6Right
2018FordTransit-3503.7LV6Right
2018FordTransit-3503.5LV6Right
2018FordTransit-350 HD3.7LV6Right
2018FordTransit-350 HD3.5LV6Right
2017FordTransit-1503.7LV6Right
2017FordTransit-1503.5LV6Right
2017FordTransit-2503.7LV6Right
2017FordTransit-2503.5LV6Right
2017FordTransit-3503.7LV6Right
2017FordTransit-3503.5LV6Right
2017FordTransit-350 HD3.7LV6Right
2017FordTransit-350 HD3.5LV6Right
2016FordTransit-1503.7LV6Right
2016FordTransit-1503.5LV6Right
2016FordTransit-2503.7LV6Right
2016FordTransit-2503.5LV6Right
2016FordTransit-3503.7LV6Right
2016FordTransit-3503.5LV6Right
2016FordTransit-350 HD3.7LV6Right
2016FordTransit-350 HD3.5LV6Right
2015FordTransit-1503.7LV6Right
2015FordTransit-1503.5LV6Right
2015FordTransit-2503.7LV6Right
2015FordTransit-2503.5LV6Right
2015FordTransit-3503.7LV6Right
2015FordTransit-3503.5LV6Right
2015FordTransit-350 HD3.7LV6Right
2015FordTransit-350 HD3.5LV6Right