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Dayco 89616 Accessory Drive Belt Tensioner Assembly - Main Drive
| Brand | Dayco 89616 |
|---|---|
| Position | Main Drive |
| Belt Type | Serpentine |
| Direction | Counter Clock Wise |
| Number of Pulleys | 1 |
| Pulley 1 Diameter | 70 |
| Pulley 1 Number of Grooves | 6 |
| Pulley 1 Width | 29 |
| Type | Automatic |
| Fits | Chevrolet, Pontiac, and Cadillac · 37 vehicles |
Automatic tensioning. Maintains proper belt tension for consistent accessory drive performance.
Serpentine belt design. Built for smooth, efficient operation in the accessory drive system.
Single-pulley assembly. Simplifies replacement with a compact, integrated design.
Cross-references ACDelco 38328, CARQUEST 38328 and Duralast 305616 for the same application. See all 8.
Dayco 89616 Accessory Drive Belt Tensioner
The Dayco 89616 accessory drive belt tensioner assembly is an automatic serpentine belt tensioner built for consistent belt control in the accessory drive system. It is a direct-fit option for select Chevrolet, Pontiac, and Cadillac applications, including Corvette, Camaro, Caprice, SS, G8, and CTS models.
- Automatic accessory drive belt tensioner assembly
- Serpentine belt type
- Counter clockwise rotation
- Single pulley design
- 70 mm pulley diameter
- 6-groove pulley profile
- 29 mm pulley width
Fitment and Application Details
Compatible with 2004-2007 Cadillac CTS, Main Drive; 2005-2013 Chevrolet Corvette, Main Drive; 2008-2009 Pontiac G8, Main Drive; 2011-2012 Chevrolet Caprice, N/A; 2013-2017 Chevrolet Caprice, Main Drive; 2014-2015 Chevrolet Camaro, N/A; and 2014-2017 Chevrolet SS, Main Drive. This Dayco 89616 tensioner is also cross-referenced to ACDelco 38328 for the same application.
What This Part Helps Address
- Belt slack that can lead to poor accessory drive performance
- Serpentine belt noise caused by inconsistent tension
- Belt tracking concerns in the accessory drive system
- Wear related to a weak or sticking tensioner assembly
- Drive belt instability on high-load engine accessory systems
Installation Notes and Tips
Verify pulley diameter, groove count, and rotation direction before installation. Confirm the vehicle application against the existing tensioner and belt routing, especially on Main Drive configurations. Inspect the serpentine belt, idler pulleys, and related accessory drive components at the same time to help ensure proper system operation.
Quality Assurance
Dayco is a recognized name in accessory drive components, and the 89616 tensioner is built to match the listed OE-style application requirements for the vehicles shown above.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2017 | Chevrolet | Caprice | 6.0L | V8 | Main Drive | — |
| 2017 | Chevrolet | SS | — | — | Main Drive | — |
| 2016 | Chevrolet | Caprice | 6.0L | V8 | Main Drive | — |
| 2016 | Chevrolet | SS | — | — | Main Drive | — |
| 2015 | Chevrolet | Camaro | 7.0L | V8 | N/A | — |
| 2015 | Chevrolet | Caprice | 6.0L | V8 | Main Drive | — |
| 2015 | Chevrolet | SS | — | — | Main Drive | — |
| 2014 | Chevrolet | Camaro | 7.0L | V8 | N/A | — |
| 2014 | Chevrolet | Caprice | 6.0L | V8 | Main Drive | — |
| 2014 | Chevrolet | SS | — | — | Main Drive | — |
| 2013 | Chevrolet | Caprice | 6.0L | V8 | Main Drive | — |
| 2013 | Chevrolet | Corvette | 7.0L | V8 | Main Drive | — |
| 2013 | Chevrolet | Corvette | 6.2L | V8 | Main Drive | — |
| 2012 | Chevrolet | Caprice | 6.0L | V8 | N/A | — |
| 2012 | Chevrolet | Corvette | 7.0L | V8 | Main Drive | — |
| 2012 | Chevrolet | Corvette | 6.2L | V8 | Main Drive | — |
| 2011 | Chevrolet | Caprice | — | — | N/A | — |
| 2011 | Chevrolet | Corvette | 7.0L | V8 | Main Drive | — |
| 2011 | Chevrolet | Corvette | 6.2L | V8 | Main Drive | — |
| 2010 | Chevrolet | Corvette | 7.0L | V8 | Main Drive | — |
| 2010 | Chevrolet | Corvette | 6.2L | V8 | Main Drive | — |
| 2009 | Chevrolet | Corvette | 7.0L | V8 | Main Drive | — |
| 2009 | Chevrolet | Corvette | 6.2L | V8 | Main Drive | — |
| 2009 | Pontiac | G8 | 6.0L | V8 | Main Drive | — |
| 2009 | Pontiac | G8 | 6.2L | V8 | Main Drive | — |
| 2008 | Chevrolet | Corvette | 7.0L | V8 | Main Drive | — |
| 2008 | Chevrolet | Corvette | 6.2L | V8 | Main Drive | — |
| 2008 | Pontiac | G8 | 6.0L | V8 | Main Drive | — |
| 2007 | Cadillac | CTS | 6.0L | V8 | Main Drive | — |
| 2007 | Chevrolet | Corvette | 7.0L | V8 | Main Drive | — |
| 2007 | Chevrolet | Corvette | 6.0L | V8 | Main Drive | — |
| 2006 | Cadillac | CTS | 6.0L | V8 | Main Drive | — |
| 2006 | Chevrolet | Corvette | 7.0L | V8 | Main Drive | — |
| 2006 | Chevrolet | Corvette | 6.0L | V8 | Main Drive | — |
| 2005 | Cadillac | CTS | 5.7L | V8 | Main Drive | — |
| 2005 | Chevrolet | Corvette | — | — | Main Drive | — |
| 2004 | Cadillac | CTS | 5.7L | V8 | Main Drive | — |
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