Dayco 89385 Accessory Drive Belt Tensioner Assembly - Main Drive

Brand Dayco 89385
Position Main Drive
Belt Type Serpentine
Direction Clock wise
Number of Pulleys 1
Pulley 1 Diameter 76
Pulley 1 Flat N
Pulley 1 Number of Grooves 6
Pulley 1 Width 30
Type Automatic
Fits Ford and Lincoln · 200 vehicles

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

Serpentine belt compatible. Built for accessory drive systems using a single-groove pulley.

Single-pulley design. Simplifies belt routing with a compact, automatic assembly.

Cross-references ACDelco 38329, CARQUEST 38329 and Duralast 305385 for the same application. See all 9.

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Dayco 89385 Accessory Drive Belt Tensioner

Dayco 89385 is an automatic serpentine accessory drive belt tensioner assembly for select Ford and Lincoln applications without air conditioning. It uses a clockwise rotation design with a single 6-groove pulley to maintain proper belt tension on the accessory drive system.

Key Features

  • Automatic accessory drive belt tensioner assembly
  • Serpentine belt type for accessory drive systems
  • Clockwise rotation
  • Single pulley design with 76 mm diameter
  • 6-groove pulley, 30 mm width
  • Direct-fit replacement for select Ford F-150, F-250 Super Duty, F-350 Super Duty, and E-Series vans without air conditioning

Product Details

This Dayco 89385 tensioner is built for vehicles that use a serpentine belt and an automatic tensioning system. The pulley measures 76 mm in diameter and features six grooves to match the belt routing used on the listed Ford and Lincoln applications. It is a fitment-specific replacement for many Ford E-150, E-250, E-350 Super Duty, F-150, F-250 Super Duty, F-350 Super Duty, and 2006 Lincoln Mark LT models without air conditioning. This part cross-references ACDelco 38329 for the same application.

Common Problems It Can Address

  • Loose or inconsistent serpentine belt tension
  • Belt squeal caused by worn tensioner components
  • Accessory drive belt tracking issues
  • Reduced belt control on high-mileage Ford truck and van applications
  • Noise from a failing automatic tensioner assembly

Installation Notes and Tips

  • Verify the vehicle is equipped without air conditioning before ordering.
  • Confirm clockwise rotation and 6-groove pulley specifications match the original unit.
  • Inspect the serpentine belt, idler pulleys, and related accessory drive components during replacement.
  • Use the vehicle’s belt routing diagram to confirm correct installation.

Quality Assurance

Dayco is a recognized name in belt drive components, and this tensioner is engineered to meet the fitment and dimensional requirements listed for the specified Ford and Lincoln applications. Part number 89385 is a direct replacement option for vehicles that require this configuration.

This part fits 200 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersFuel TypePositionNotes
2019FordE-350 Super Duty6.8LV10N/AFits vehicles without air conditioning.
2018FordE-350 Super Duty6.8LV10N/AFits vehicles without air conditioning.
2017FordE-350 Super Duty6.8LV10N/AFits vehicles without air conditioning.
2016FordE-350 Super Duty6.8LV10N/AFits vehicles without air conditioning.
2016FordE-350 Super Duty5.4LV8N/AFits vehicles without air conditioning.
2015FordE-350 Super Duty6.8LV10N/AFits vehicles without air conditioning.
2015FordE-350 Super Duty5.4LV8N/AFits vehicles without air conditioning.
2014FordE-1505.4LV8N/AFits vehicles without air conditioning.
2014FordE-2505.4LV8N/AFits vehicles without air conditioning.
2014FordE-350 Super Duty6.8LV10N/AFits vehicles without air conditioning.
2014FordE-350 Super Duty5.4LV8N/AFits vehicles without air conditioning.
2013FordE-1505.4LV8N/AFits vehicles without air conditioning.
2013FordE-2505.4LV8N/AFits vehicles without air conditioning.
2013FordE-350 Super Duty6.8LV10N/AFits vehicles without air conditioning.
2013FordE-350 Super Duty5.4LV8N/AFits vehicles without air conditioning.
2012FordE-1505.4LV8N/AFits vehicles without air conditioning.
2012FordE-2505.4LV8N/AFits vehicles without air conditioning.
2012FordE-350 Super Duty6.8LV10N/AFits vehicles without air conditioning.
2012FordE-350 Super Duty5.4LV8N/AFits vehicles without air conditioning.
2011FordE-1504.6LV8N/AFits vehicles without air conditioning.
2011FordE-1505.4LV8N/AFits vehicles without air conditioning.
2011FordE-2504.6LV8N/AFits vehicles without air conditioning.
2011FordE-2505.4LV8N/AFits vehicles without air conditioning.
2011FordE-350 Super Duty6.8LV10N/AFits vehicles without air conditioning.
2011FordE-350 Super Duty5.4LV8N/AFits vehicles without air conditioning.
2010FordE-1504.6LV8N/AFits vehicles without air conditioning.
2010FordE-1505.4LV8N/AFits vehicles without air conditioning.
2010FordE-2504.6LV8N/AFits vehicles without air conditioning.
2010FordE-2505.4LV8N/AFits vehicles without air conditioning.
2010FordE-350 Super Duty6.8LV10N/AFits vehicles without air conditioning.
2010FordE-350 Super Duty5.4LV8N/AFits vehicles without air conditioning.
2010FordF-250 Super Duty6.8LV10N/AFits vehicles without air conditioning.
2010FordF-250 Super Duty5.4LV8N/AFits vehicles without air conditioning.
2010FordF-350 Super Duty6.8LV10N/AFits vehicles without air conditioning.
2010FordF-350 Super Duty5.4LV8N/AFits vehicles without air conditioning.
2009FordE-1504.6LV8N/AFits vehicles without air conditioning.
2009FordE-1505.4LV8N/AFits vehicles without air conditioning.
2009FordE-2504.6LV8N/AFits vehicles without air conditioning.
2009FordE-2505.4LV8N/AFits vehicles without air conditioning.
2009FordE-350 Super Duty6.8LV10N/AFits vehicles without air conditioning.
2009FordE-350 Super Duty5.4LV8N/AFits vehicles without air conditioning.
2009FordF-250 Super Duty6.8LV10N/AFits vehicles without air conditioning.
2009FordF-250 Super Duty5.4LV8N/AFits vehicles without air conditioning.
2009FordF-350 Super Duty6.8LV10N/AFits vehicles without air conditioning.
2009FordF-350 Super Duty5.4LV8N/AFits vehicles without air conditioning.
2008FordE-1504.6LV8N/AFits vehicles without air conditioning.
2008FordE-1505.4LV8N/AFits vehicles without air conditioning.
2008FordE-2504.6LV8N/AFits vehicles without air conditioning.
2008FordE-2505.4LV8N/AFits vehicles without air conditioning.
2008FordE-350 Super Duty6.8LV10N/AFits vehicles without air conditioning.
2008FordE-350 Super Duty5.4LV8N/AFits vehicles without air conditioning.
2008FordF-1504.6LV8N/AFits vehicles without air conditioning.
2008FordF-1505.4LV8N/AFits vehicles without air conditioning.
2008FordF-250 Super Duty6.8LV10N/AFits vehicles without air conditioning.
2008FordF-250 Super Duty5.4LV8N/AFits vehicles without air conditioning.
2008FordF-350 Super Duty6.8LV10N/AFits vehicles without air conditioning.
2008FordF-350 Super Duty5.4LV8N/AFits vehicles without air conditioning.
2007FordE-1504.6LV8N/AFits vehicles without air conditioning.
2007FordE-1505.4LV8N/AFits vehicles without air conditioning.
2007FordE-2504.6LV8N/AFits vehicles without air conditioning.
2007FordE-2505.4LV8N/AFits vehicles without air conditioning.
2007FordE-350 Super Duty6.8LV10N/AFits vehicles without air conditioning.
2007FordE-350 Super Duty5.4LV8N/AFits vehicles without air conditioning.
2007FordF-1504.6LV8N/AFits vehicles without air conditioning.
2007FordF-1505.4LV8N/AFits vehicles without air conditioning.
2007FordF-250 Super Duty6.8LV10N/AFits vehicles without air conditioning.
2007FordF-250 Super Duty5.4LV8N/AFits vehicles without air conditioning.
2007FordF-350 Super Duty6.8LV10N/AFits vehicles without air conditioning.
2007FordF-350 Super Duty5.4LV8N/AFits vehicles without air conditioning.
2006FordE-1504.6LV8N/AFits vehicles without air conditioning.
2006FordE-1505.4LV8N/AFits vehicles without air conditioning.
2006FordE-2504.6LV8N/AFits vehicles without air conditioning.
2006FordE-2505.4LV8N/AFits vehicles without air conditioning.
2006FordE-350 Super Duty6.8LV10N/AFits vehicles without air conditioning.
2006FordE-350 Super Duty5.4LV8N/AFits vehicles without air conditioning.
2006FordF-1504.6LV8N/AFits vehicles without air conditioning.
2006FordF-1505.4LV8N/AFits vehicles without air conditioning.
2006FordF-250 Super Duty6.8LV10N/AFits vehicles without air conditioning.
2006FordF-250 Super Duty5.4LV8N/AFits vehicles without air conditioning.
2006FordF-350 Super Duty6.8LV10N/AFits vehicles without air conditioning.
2006FordF-350 Super Duty5.4LV8N/AFits vehicles without air conditioning.
2006LincolnMark LTN/Awithout Air Conditioning
2005FordE-1504.6LV8N/AFits vehicles without air conditioning.
2005FordE-1505.4LV8N/AFits vehicles without air conditioning.
2005FordE-150 Club Wagon4.6LV8N/AFits vehicles without air conditioning.
2005FordE-150 Club Wagon5.4LV8N/AFits vehicles without air conditioning.
2005FordE-2504.6LV8N/AFits vehicles without air conditioning.
2005FordE-2505.4LV8N/AFits vehicles without air conditioning.
2005FordE-350 Club Wagon6.8LV10N/AFits vehicles without air conditioning.
2005FordE-350 Club Wagon5.4LV8N/AFits vehicles without air conditioning.
2005FordE-350 Super Duty6.8LV10N/AFits vehicles without air conditioning.
2005FordE-350 Super Duty5.4LV8N/AFits vehicles without air conditioning.
2005FordF-1504.6LV8N/AFits vehicles without air conditioning.
2005FordF-1505.4LV8N/AFits vehicles without air conditioning.
2005FordF-250 Super Duty6.8LV10N/AFits vehicles without air conditioning.
2005FordF-250 Super Duty5.4LV8N/AFits vehicles without air conditioning.
2005FordF-350 Super Duty6.8LV10N/AFits vehicles without air conditioning.
2005FordF-350 Super Duty5.4LV8N/AFits vehicles without air conditioning.
2004FordE-1504.6LV8N/AFits vehicles without air conditioning.
2004FordE-1505.4LV8N/Aw/o A.C., Smooth
2004FordE-150 Club Wagon4.6LV8N/AFits vehicles without air conditioning.
2004FordE-150 Club Wagon5.4LV8N/Aw/o A.C., Smooth
2004FordE-2504.6LV8N/AFits vehicles without air conditioning.
2004FordE-2505.4LV8CNGN/AFits vehicles without air conditioning.
2004FordE-2505.4LV8GASN/Aw/o A.C., Smooth
2004FordE-350 Club Wagon5.4LV8CNGN/AFits vehicles without air conditioning.
2004FordE-350 Club Wagon5.4LV8GASN/Aw/o A.C., Smooth
2004FordE-350 Super Duty6.8LV10N/AFits vehicles without air conditioning.
2004FordE-350 Super Duty5.4LV8CNGN/AFits vehicles without air conditioning.
2004FordE-350 Super Duty5.4LV8GASN/Aw/o A.C., Smooth
2004FordF-1504.6LV8N/AFits vehicles without air conditioning.
2004FordF-1505.4LV8N/AFits vehicles without air conditioning.
2004FordF-150 Heritage4.6LV8N/AFits vehicles without air conditioning.
2004FordF-150 Heritage5.4LV8CNGN/AFits vehicles without air conditioning.
2004FordF-150 Heritage5.4LV8BI-FUELN/AFits vehicles without air conditioning.
2004FordF-250 Super Duty6.8LV10N/AFits vehicles without air conditioning.
2004FordF-250 Super Duty5.4LV8N/Aw/o A.C., Smooth
2004FordF-350 Super Duty6.8LV10N/AFits vehicles without air conditioning.
2004FordF-350 Super Duty5.4LV8N/Aw/o A.C., Smooth
2003FordE-1504.6LV8N/AFits vehicles without air conditioning.
2003FordE-1505.4LV8N/Aw/o A.C., Smooth
2003FordE-150 Club Wagon4.6LV8N/AFits vehicles without air conditioning.
2003FordE-150 Club Wagon5.4LV8N/Aw/o A.C., Smooth
2003FordE-2504.6LV8N/AFits vehicles without air conditioning.
2003FordE-2505.4LV8CNGN/AFits vehicles without air conditioning.
2003FordE-2505.4LV8GASN/Aw/o A.C., Smooth
2003FordE-350 Club Wagon6.8LV10N/AFits vehicles without air conditioning.
2003FordE-350 Club Wagon5.4LV8CNGN/AFits vehicles without air conditioning.
2003FordE-350 Club Wagon5.4LV8GASN/Aw/o A.C., Smooth
2003FordE-350 Super Duty6.8LV10N/AFits vehicles without air conditioning.
2003FordE-350 Super Duty5.4LV8CNGN/AFits vehicles without air conditioning.
2003FordE-350 Super Duty5.4LV8GASN/Aw/o A.C., Smooth
2003FordF-1504.6LV8N/AFits vehicles without air conditioning.
2003FordF-1505.4LV8CNGN/ASmooth, w/o A.C.
2003FordF-1505.4LV8BI-FUELN/ASmooth, w/o A.C.
2003FordF-1505.4LV8GASN/ASmooth, w/o A.C.
2003FordF-250 Super Duty6.8LV10N/AFits vehicles without air conditioning.
2003FordF-250 Super Duty5.4LV8N/ASmooth, w/o A.C.
2003FordF-350 Super Duty6.8LV10N/AFits vehicles without air conditioning.
2003FordF-350 Super Duty5.4LV8N/ASmooth, w/o A.C.
2002FordE-150 Econoline4.6LV8N/AFits vehicles without air conditioning.
2002FordE-150 Econoline5.4LV8N/Aw/o A.C., Smooth
2002FordE-150 Econoline Club Wagon4.6LV8N/AFits vehicles without air conditioning.
2002FordE-150 Econoline Club Wagon5.4LV8N/Aw/o A.C., Smooth
2002FordE-250 Econoline5.4LV8CNGN/AFits vehicles without air conditioning.
2002FordE-250 Econoline5.4LV8GASN/Aw/o A.C., Smooth
2002FordE-350 Econoline Club Wagon6.8LV10N/AFits vehicles without air conditioning.
2002FordE-350 Econoline Club Wagon5.4LV8CNGN/AFits vehicles without air conditioning.
2002FordE-350 Econoline Club Wagon5.4LV8GASN/Aw/o A.C., Smooth
2002FordE-350 Super Duty6.8LV10N/AFits vehicles without air conditioning.
2002FordE-350 Super Duty5.4LV8CNGN/AFits vehicles without air conditioning.
2002FordE-350 Super Duty5.4LV8GASN/Aw/o A.C., Smooth
2002FordF-1504.6LV8N/AFits vehicles without air conditioning.
2002FordF-1505.4LV8CNGN/ASmooth, w/o A.C.
2002FordF-1505.4LV8BI-FUELN/ASmooth, w/o A.C.
2002FordF-1505.4LV8GASN/ASmooth, w/o A.C.
2002FordF-250 Super Duty6.8LV10N/AFits vehicles without air conditioning.
2002FordF-250 Super Duty5.4LV8N/ASmooth, w/o A.C.
2002FordF-350 Super Duty6.8LV10N/AFits vehicles without air conditioning.
2002FordF-350 Super Duty5.4LV8N/ASmooth, w/o A.C.
2001FordE-150 Econoline5.4LV8N/Aw/o A.C., Smooth
2001FordE-150 Econoline Club Wagon5.4LV8N/Aw/o A.C., Smooth
2001FordE-250 Econoline5.4LV8GASN/Aw/o A.C., Smooth
2001FordE-350 Econoline Club Wagon5.4LV8GASN/Aw/o A.C., Smooth
2001FordE-350 Super Duty5.4LV8GASN/Aw/o A.C., Smooth
2001FordF-1505.4LV8CNGN/ASmooth, w/o A.C.
2001FordF-1505.4LV8BI-FUELN/ASmooth, w/o A.C.
2001FordF-1505.4LV8GASN/ASmooth, w/o A.C.
2000FordE-150 Econoline5.4LV8N/Aw/o A.C., Smooth
2000FordE-150 Econoline Club Wagon5.4LV8N/Aw/o A.C., Smooth
2000FordE-250 Econoline5.4LV8GASN/Aw/o A.C., Smooth
2000FordE-350 Econoline Club Wagon5.4LV8GASN/Aw/o A.C., Smooth
2000FordE-350 Super Duty5.4LV8GASN/Aw/o A.C., Smooth
2000FordF-1505.4LV8CNGN/ASmooth, w/o A.C.
2000FordF-1505.4LV8BI-FUELN/ASmooth, w/o A.C.
2000FordF-1505.4LV8GASN/ASmooth, w/o A.C.
1999FordE-150 Econoline5.4LV8N/Aw/o A.C., Smooth
1999FordE-150 Econoline Club Wagon5.4LV8N/Aw/o A.C., Smooth
1999FordE-250 Econoline5.4LV8GASN/Aw/o A.C., Smooth
1999FordE-350 Econoline Club Wagon5.4LV8GASN/Aw/o A.C., Smooth
1999FordE-350 Super Duty5.4LV8GASN/Aw/o A.C., Smooth
1999FordF-1505.4LV8BI-FUELN/ASmooth, w/o A.C.
1999FordF-1505.4LV8GASN/ASmooth, w/o A.C.
1999FordF-2505.4LV8GASN/ASmooth, w/o A.C.
1999FordF-250 Super Duty5.4LV8N/ASmooth, w/o A.C.
1999FordF-350 Super Duty5.4LV8N/ASmooth, w/o A.C.
1998FordE-150 Econoline5.4LV8GASN/Aw/o A.C., Smooth
1998FordE-150 Econoline Club Wagon5.4LV8GASN/Aw/o A.C., Smooth
1998FordE-250 Econoline5.4LV8GASN/Aw/o A.C., Smooth
1998FordE-350 Econoline5.4LV8GASN/Aw/o A.C., Smooth
1998FordE-350 Econoline Club Wagon5.4LV8GASN/Aw/o A.C., Smooth
1998FordF-1505.4LV8N/ASmooth, w/o A.C.
1998FordF-2505.4LV8GASN/ASmooth, w/o A.C.
1997FordE-150 Econoline5.4LV8N/Aw/o A.C., Smooth
1997FordE-150 Econoline Club Wagon5.4LV8N/Aw/o A.C., Smooth
1997FordE-250 Econoline5.4LV8GASN/Aw/o A.C., Smooth
1997FordE-350 Econoline5.4LV8GASN/Aw/o A.C., Smooth
1997FordE-350 Econoline Club Wagon5.4LV8GASN/Aw/o A.C., Smooth
1997FordF-1505.4LV8N/ASmooth, w/o A.C.
1997FordF-2505.4LV8GASN/ASmooth, w/o A.C.
Directly replaces or cross-references 9 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
ACDelco — 38329CARQUEST — 38329Duralast — 305385Ford — 2L3E-6B209-ABFord — 2L3Z-6B209-CAFreshstart — 49352Gates — 38329Goodyear — 49352NAPA — 38329