Dayco 89323 belt tensioner for the 2007 Chevrolet Silverado 2500 HD Classic V8 8.1L and other vehicles keeps tension on the serpentine belt of the main drive. Its pulley rides on the belt and holds it tight while the engine runs.
- Automatic tensioner type for a serpentine belt
- Counter clockwise direction
- Single pulley, 76 mm in diameter, with 6 grooves
- Pulley width of 28.7 mm
Quick facts
- Part: Dayco 89323 belt tensioner
- Also called: serpentine belt tensioner
- Fits: 2007 Chevrolet Silverado 2500 HD Classic V8 8.1L and other vehicles
- Position: Main drive
- Condition: New
A chirp or squeal from the belt area, uneven wear on the belt, or play in the pulley can mean the Dayco tensioner is worn, though a worn belt or a failing idler pulley can be behind the same signs, so find the cause before you replace anything.
Fits
Besides that truck, it fits the 2007 Chevrolet Silverado 3500 Classic V8 8.1L and the 2007 GMC Sierra 2500 HD Classic V8 8.1L. Drivers of other models can open the "Vehicles it fits" section and check their exact model and engine there.
Specifications
Fit and size
- Position: Main drive
- Quantity per vehicle: 1
- Belt type: Serpentine
- Pulley diameter: 76 mm
- Pulley width: 28.7 mm
- Pulley grooves: 6
Build and materials
- Type: Automatic
- Direction: Counter clockwise
- Number of pulleys: 1
- Pulley surface: grooved, not flat
- Condition: New
In the box
One belt tensioner with its pulley. The listing holds one, and each vehicle takes one.
Interchange: 38260 · 780122 · 49003 · 49330 · 5575 · 900027A · 999129A
This part cross-references / interchanges with the following part numbers:
38260, 780122, 49003, 49330, 5575, 900027A, 999129A, 12554701, 12580828
Frequently Asked Questions
Does the Dayco 89323 belt tensioner fit the 2007 GMC Sierra 2500 HD Classic V8 8.1L?
Yes, Dayco 89323 fits the 2007 GMC Sierra 2500 HD Classic V8 8.1L, and that vehicle takes one.
Does the Dayco belt tensioner assembly include a pulley?
Yes. Dayco 89323 comes with one pulley that is 76 mm in diameter, 28.7 mm wide and has 6 grooves.
What type is this Dayco automatic belt tensioner?
This tensioner is an automatic type made for a serpentine belt, and its direction is counter clockwise.
How do I tell if a serpentine belt tensioner is worn?
With the engine off and cool, look for a pulley with side-to-side play or uneven wear on the belt. A chirp or squeal while driving can also be a sign.
Is 49330 an interchange number for Dayco 89323?
Yes, 49330 is listed as an interchange number for Dayco 89323.
