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Hayden 5997 Accessory Drive Belt Tensioner Pulley
Overview of Hayden Pulley Accessory Drive Belt Tensioner Pulley
The Hayden Pulley 5997 is a steel accessory drive belt tensioner pulley designed for select Audi and Volkswagen models. Engineered to meet or exceed OEM specifications, this idler pulley ensures reliable belt tension and smooth operation in your vehicle's accessory drive system.
- Constructed from durable steel with a grey finish
- Single groove design compatible with back idler belt types
- Outside diameter measures 3.250 inches (82.55 mm)
- Width of 1.12 inches (28.5 mm) suitable for 1.25 inch (30.16 mm) belt width
- Inside diameter (bore) of 0.322 inches (7.94 mm)
- Meets or exceeds OEM quality standards
- Mounting hardware not included
Detailed Product Description and Specifications
The Hayden Pulley 5997 is part of the Pulley product line, which focuses on precision-engineered components for accessory drive belt systems. This idler/tensioner pulley is crafted from steel to provide strength and durability under continuous engine operation. Its grey color finish offers corrosion resistance and a clean appearance. The pulley features a single groove designed for back idler belt types, with a belt width compatibility of approximately 1.25 inches (30.16 mm). The outside diameter of 3.250 inches (82.55 mm) and inside bore diameter of 0.322 inches (7.94 mm) ensure proper fitment and smooth belt tracking. This pulley is compatible with mounting holes sized at 0.32 inches, though mounting hardware is not included.
Compatible Vehicles and Applications
This accessory drive belt tensioner pulley is compatible with the following vehicle makes and models:
- Audi A4 and A4 Quattro
- Volkswagen Passat
Designed specifically for these models, the Hayden Pulley 5997 helps maintain proper belt tension and alignment in the accessory drive system, contributing to the efficient operation of engine components such as the alternator, power steering pump, and air conditioning compressor.
Common Issues Addressed by This Pulley
- Worn or damaged idler pulley causing belt misalignment
- Excessive belt noise due to pulley wear
- Loss of proper belt tension affecting accessory performance
- Premature belt wear from pulley groove damage
- Replacement of OEM pulley to restore factory specifications
Installation Notes and Tips
- Verify compatibility with your specific Audi A4, A4 Quattro, or Volkswagen Passat model year before installation
- Ensure the mounting hole diameter and quantity match your vehicle’s requirements
- Use appropriate tools to remove the old pulley and install the new one securely
- Check belt alignment and tension after installation to prevent premature wear
- Note that mounting hardware is not included and may need to be sourced separately
Quality Assurance and Warranty Information
The Hayden Pulley 5997 meets or exceeds OEM quality standards, ensuring reliable performance and durability. Manufactured with precision steel components, this pulley is designed to withstand the demands of daily driving and engine operation. While specific warranty details are not provided, Hayden products typically adhere to industry quality controls and standards for automotive replacement parts.
| Brand | Hayden |
| Part Number | 5997 |
| Position | Pulley |
| Belt Type | Back Idler |
| Belt Width IN | 1.25 |
| Belt Width MM | 30.163 |
| Bore Dia. IN | .322 |
| Color | Grey |
| Description | Idler / Tensioner Pulley |
| Groove Quantity | 1 |
| I.D. MM | 7.9375 |
| Inside Diameter | .322 |
| Material | Steel |
| Meets / Exceeds OEM? | Yes |
| Mount Hole Qty | 1 |
| Mounting Hardware? | Not Included |
| Mounting Hole Diameter | .32 |
| Mounting Hole Quantity | .32 |
| O.D. MM | 82.550 |
| Outside Diameter | 3.250 |
| Pulley Type | Idler Pulley |
| Pulley Width IN | 1.12 |
| Pulley Width MM | 28.5 |
| Style | Idler / Tensioner Pulley |
| Type | Pulley |
| Width | 30 |
This part fits 16 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2006 | Audi | A4 | 1.8L | L4 | N/A | Timing Belt Tensioner; Pulley |
| 2005 | Audi | A4 | 1.8L | L4 | N/A | Timing Belt Tensioner; Pulley |
| 2005 | Audi | A4 Quattro | 1.8L | L4 | N/A | Timing Belt Tensioner; Pulley |
| 2005 | Volkswagen | Passat | 1.8L | L4 | N/A | Timing Belt Tensioner; Pulley |
| 2004 | Audi | A4 | 1.8L | L4 | N/A | Timing Belt Tensioner; Pulley |
| 2004 | Audi | A4 Quattro | 1.8L | L4 | N/A | Timing Belt Tensioner; Pulley |
| 2004 | Volkswagen | Passat | 1.8L | L4 | N/A | Timing Belt Tensioner; Pulley |
| 2003 | Audi | A4 | 1.8L | L4 | N/A | Timing Belt Tensioner; Pulley |
| 2003 | Audi | A4 Quattro | 1.8L | L4 | N/A | Timing Belt Tensioner; Pulley |
| 2003 | Volkswagen | Passat | 1.8L | L4 | N/A | Timing Belt Tensioner; Pulley |
| 2002 | Audi | A4 | 1.8L | L4 | N/A | Timing Belt Tensioner; Pulley |
| 2002 | Audi | A4 Quattro | 1.8L | L4 | N/A | Timing Belt Tensioner; Pulley |
| 2002 | Volkswagen | Passat | 1.8L | L4 | N/A | Timing Belt Tensioner; Pulley |
| 2001 | Audi | A4 | 1.8L | L4 | N/A | Timing Belt Tensioner; Pulley |
| 2001 | Audi | A4 Quattro | 1.8L | L4 | N/A | Timing Belt Tensioner; Pulley |
| 2001 | Volkswagen | Passat | 1.8L | L4 | N/A | Timing Belt Tensioner; Pulley |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.