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Hayden 5040 Accessory Drive Belt Tensioner Pulley
| Brand | Hayden 5040 |
|---|---|
| Belt Type | Back Idler |
| Belt Width IN | 1.000 |
| Belt Width MM | 25.400 |
| Bore Dia. IN | .47 |
| Color | Black |
| Description | Idler / Tensioner Pulley |
| Groove Quantity | Smooth |
| I.D. MM | 11.906 |
| Inside Diameter | 0.46875 |
| Material | Steel |
| Meets / Exceeds OEM? | Yes |
| Mount Hole Qty | 1 |
| Mounting Hardware? | Not Included |
| O.D. MM | 79.375 |
| Outside Diameter | 3.125 |
| Pulley Type | Back Idler |
| Pulley Width IN | 1 |
| Pulley Width MM | 25.4 |
| Style | Idler / Tensioner Pulley |
| Type | Pulley |
| Width | 25.4 |
| Product line | Pulley |
| Fits | Saab · 9 vehicles |
OE direct replacement. Meets or exceeds OEM requirements for dependable fit and function.
Steel construction. Durable pulley body with a black finish for a clean, service-ready look.
Idler / tensioner pulley. Smooth back-idler design helps keep the belt system running quietly.
Cross-references Dayco 89081, DENSO Auto Parts 5040 and Four Seasons 45040 for the same application. See all 10.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Accessory Drive Belt Tensioner Pulley for Saab 9000
The Hayden 5040 accessory drive belt tensioner pulley is a steel back idler pulley built for smooth belt routing and stable accessory drive operation. It is a direct-fit style replacement for select Saab 9000 applications from 1990-1998, including the pulley position listed in the fitment data.
Key Features
- Steel construction with a black finish
- Smooth groove design for back idler use
- 1.000 in. pulley width for the specified belt width
- 3.125 in. outside diameter for proper belt tracking
- 0.46875 in. inside diameter / 11.906 mm bore diameter
- Meets or exceeds OEM requirements
- Accessory drive belt tensioner pulley / idler pulley style
Product Details
Hayden Pulley 5040 is an idler / tensioner pulley designed for accessory drive belt systems that require a smooth back idler surface. The steel pulley body and OEM-level dimensional specs support consistent belt contact, while the 79.375 mm outside diameter and 25.4 mm width align with the listed application. This part cross-references Gates 38074 for the same application.
Compatible fitment includes Saab 9000 models from 1990 through 1998. If you are replacing a worn pulley on a Saab 9000, Hayden 5040 provides a direct replacement option for the pulley application shown in the catalog data.
Common Problems This Part Can Address
- Belt noise caused by a worn or rough pulley surface
- Uneven belt tracking from pulley wear
- Accessory drive belt vibration at the idler position
- Visible pulley wobble or bearing-related pulley movement
- Premature belt wear from an out-of-spec tensioner pulley
Installation Notes
Verify pulley diameter, width, bore size, and belt routing before installation. Mounting hardware is not included, so reuse or source the correct hardware as needed for the vehicle. Inspect the belt, tensioner assembly, and adjacent pulleys during service to confirm the full accessory drive system is in good condition.
Quality Assurance
Hayden lists this pulley as meeting or exceeding OEM requirements, making it a suitable replacement for maintenance and repair work on the Saab 9000 accessory drive belt system. Confirm part number 5040 and vehicle fitment before ordering.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1998 | Saab | 9000 | — | — | N/A | Pulley |
| 1997 | Saab | 9000 | 2.3L | L4 | N/A | Pulley |
| 1996 | Saab | 9000 | 2.3L | L4 | N/A | Pulley |
| 1995 | Saab | 9000 | 2.3L | L4 | N/A | Pulley |
| 1994 | Saab | 9000 | — | — | N/A | Pulley |
| 1993 | Saab | 9000 | — | — | N/A | Pulley |
| 1992 | Saab | 9000 | — | — | N/A | Pulley |
| 1991 | Saab | 9000 | — | — | N/A | Pulley |
| 1990 | Saab | 9000 | 2.3L | L4 | N/A | Pulley |
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