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Dayco 89626 Accessory Drive Belt Tensioner Assembly
| Brand | Dayco 89626 |
|---|---|
| Belt Type | Serpentine |
| Direction | Counter Clock Wise |
| Number of Pulleys | 1 |
| Pulley 1 Diameter | 70 |
| Pulley 1 Flat | Y |
| Pulley 1 Width | 24 |
| Type | Automatic |
| Fits | Audi · 15 vehicles |
Automatic tensioner assembly. Maintains proper belt tension for consistent accessory drive performance.
Serpentine belt compatible. Built for serpentine belt systems with a single pulley design.
Single-pulley design. Uses one 70 mm flat pulley for smooth belt tracking.
Cross-references ACDelco 38406, Audi 06C.903.133B and CARQUEST 38406 for the same application. See all 7.
Accessory Drive Belt Tensioner for Audi Applications
This Dayco accessory drive belt tensioner assembly is built for serpentine belt systems that require automatic belt control and consistent pulley tracking. It is a direct-fit service part for select Audi A4, A4 Quattro, A6, and A6 Quattro applications, including vehicles that use a counter clockwise belt direction.
- Brand: Dayco
- Part number: 89626
- Accessory drive belt tensioner assembly for serpentine belt systems
- Automatic tensioner design for steady belt load management
- Counter clockwise rotation
- Single pulley design
- Pulley diameter: 70 mm
- Flat pulley surface: Yes
- Pulley width: 24 mm
Fitment Details
Compatible with 2002-2006 Audi A4 Quattro, N/A; 2002-2005 Audi A4, N/A; 2002-2004 Audi A6, N/A; and 2002-2004 Audi A6 Quattro, N/A. This Dayco 89626 tensioner is a fitment-based replacement for vehicles using the listed serpentine accessory drive configuration.
This part cross-references ACDelco 38406 and Gates 38406 for the same application.
What This Part Helps Address
- Serpentine belt slack caused by a worn tensioner
- Belt noise from weak spring pressure or pulley wear
- Uneven belt tracking on the accessory drive system
- Reduced belt control from a failing automatic tensioner
- Accessory drive vibration related to tensioner pulley condition
Installation Notes and Tips
Verify belt routing, pulley alignment, and rotation direction before installation. Confirm the pulley diameter, width, and flat-face design match the original unit on the vehicle. For Audi A4, Audi A4 Quattro, Audi A6, and Audi A6 Quattro applications, compare the existing tensioner assembly to Dayco 89626 before service.
Quality Assurance
Dayco manufactures accessory drive components for OE-style service replacement, with attention to fit, pulley geometry, and belt system performance.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2006 | Audi | A4 Quattro | 3.0L | V6 | N/A | — |
| 2005 | Audi | A4 | 3.0L | V6 | N/A | — |
| 2005 | Audi | A4 Quattro | 3.0L | V6 | N/A | — |
| 2004 | Audi | A4 | 3.0L | V6 | N/A | — |
| 2004 | Audi | A4 Quattro | 3.0L | V6 | N/A | — |
| 2004 | Audi | A6 | 3.0L | V6 | N/A | — |
| 2004 | Audi | A6 Quattro | 3.0L | V6 | N/A | — |
| 2003 | Audi | A4 | 3.0L | V6 | N/A | — |
| 2003 | Audi | A4 Quattro | 3.0L | V6 | N/A | — |
| 2003 | Audi | A6 | 3.0L | V6 | N/A | — |
| 2003 | Audi | A6 Quattro | 3.0L | V6 | N/A | — |
| 2002 | Audi | A4 | 3.0L | V6 | N/A | — |
| 2002 | Audi | A4 Quattro | 3.0L | V6 | N/A | — |
| 2002 | Audi | A6 | 3.0L | V6 | N/A | — |
| 2002 | Audi | A6 Quattro | 3.0L | V6 | N/A | — |
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