Dayco 89389 belt tensioner for the 2008-2009 Chevrolet Equinox V6 3.6L, the 2010-2012 Equinox V6 3.0L, the 2013-2017 Equinox V6 3.6L and other vehicles keeps the accessory drive belt under steady tension. This Dayco belt tensioner, also called a serpentine belt tensioner, takes up slack as the belt stretches.
- Automatic tensioner type
- One flat pulley, 70 mm in diameter and 27 mm wide
- Counter clock wise direction
- Made for a serpentine belt
Quick facts
- Part: Dayco 89389 belt tensioner
- Also called: serpentine belt tensioner
- Fits: the 2008-2009 Chevrolet Equinox V6 3.6L, the 2010-2012 Equinox V6 3.0L, the 2013-2017 Equinox V6 3.6L and other vehicles
- Condition: New
A squealing or chirping belt, uneven belt wear, or a tensioner pulley that wobbles or looks rough can mean the tensioner is wearing out. These signs alone do not prove the tensioner is at fault, because a stretched or glazed belt can make a similar chirp.
Fits
This tensioner is listed for a wide range of Chevrolet, Buick, GMC and Cadillac models, led by the 2009-2023 Chevrolet Traverse and the 2012-2020 Chevrolet Impala. If your car is not named here, open the "Vehicles it fits" section to check your exact model and engine. A 2013-2017 Equinox V6 3.6L takes one, and this listing is a single tensioner.
Specifications
Fit and size
- Quantity per vehicle: 1
- Number of pulleys: 1
- Pulley diameter: 70 mm
- Pulley width: 27 mm
Build and materials
- Type: Automatic
- Direction: Counter clock wise
- Belt type: Serpentine
- Pulley: Flat
- Condition: New
Interchange: 38397 · 49378 · 999679A · 999679
This part cross-references / interchanges with the following part numbers:
38397, 49378, 999679A, 999679, 12575509, 12630590, 12626644, 17540-78J00, 17540-78J01
Frequently Asked Questions
Is this Chevy Equinox belt tensioner right for a 2010-2012 Equinox V6 3.0L?
Yes. Dayco 89389 is listed for the 2010-2012 Chevrolet Equinox V6 3.0L, and also for the 2008-2009 and 2013-2017 Equinox V6 3.6L.
Is this Impala belt tensioner the right part for the 2012-2020 Chevrolet Impala?
Yes, Dayco 89389 is listed for the 2012-2020 Chevrolet Impala. Open the "Vehicles it fits" section to check your exact model and engine.
What size is the pulley on the Dayco automatic belt tensioner?
The single flat pulley measures 70 mm in diameter and 27 mm wide.
Is the Dayco tensioner 89389 an automatic type?
Yes. Dayco 89389 is an automatic tensioner with a counter clock wise direction, made for a serpentine belt.
Does Dayco 89389 replace tensioner number 999679A?
Yes. 999679A is one of the numbers Dayco 89389 replaces, and the Interchange line on this page lists the others.
