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Hayden 5919 Accessory Drive Belt Idler Pulley - Air Conditioning or Power Steering
Overview of Hayden Pulley Accessory Drive Belt Idler Pulley
The Hayden Pulley 5919 is a steel accessory drive belt idler pulley designed for select Cadillac models including CTS, SRX, and STS. Engineered to meet or exceed OEM specifications, this pulley ensures reliable serpentine belt tension and smooth operation in your vehicle's accessory drive system.
- Constructed from durable steel with a black finish
- Compatible with serpentine belt systems, belt width 1.125 inches (28.575 mm)
- Outside diameter of 2.75 inches (69.85 mm) and inside diameter of 0.671875 inches (17 mm)
- Smooth groove design for optimal belt contact
- Includes mounting hardware for straightforward installation
- Designed as a back idler pulley with a single mounting hole
Detailed Product Description
The Hayden Pulley 5919 is part of the Pulley product line, which focuses on precision-engineered components for accessory drive belt systems. This idler pulley is crafted from steel to provide strength and durability under continuous engine operation. Its smooth groove design supports serpentine belts with a width of 1.125 inches, ensuring consistent belt tracking and tension. The pulley’s dimensions, including a 2.75-inch outside diameter and a 0.671875-inch inside diameter, are tailored to fit specific Cadillac models such as the CTS, SRX, and STS. The black finish adds corrosion resistance, extending the component’s service life.
Applications and Problem Resolution
- Maintains proper tension on serpentine belts to prevent slippage
- Reduces belt noise caused by misalignment or wear
- Prevents premature belt wear by ensuring smooth rotation
- Replaces worn or damaged idler pulleys in Cadillac CTS, SRX, and STS models
- Supports accessory components like alternators and power steering pumps by stabilizing belt routing
Installation Notes and Tips
- Includes mounting hardware for ease of installation
- Verify belt width compatibility (1.125 inches) before installation
- Ensure proper alignment with existing belt routing to avoid premature wear
- Inspect serpentine belt condition during installation and replace if necessary
- Torque mounting bolt to manufacturer specifications to secure pulley
Quality Assurance and Warranty
The Hayden Pulley 5919 meets or exceeds OEM standards for fit, form, and function, providing reliable performance in Cadillac CTS, SRX, and STS vehicles. Manufactured with high-quality steel and precision engineering, this idler pulley is backed by Hayden’s commitment to quality. Please refer to the product packaging or manufacturer documentation for specific warranty details.
| Brand | Hayden |
|---|---|
| Part Number | 5919 |
| Position | Pulley, Air Conditioning |
| Belt Type | Serpentine |
| Belt Width IN | 1.125 |
| Belt Width MM | 28.575 |
| Bore Dia. IN | .67 |
| Color | Black |
| Description | Idler / Tensioner Pulley |
| Groove Quantity | Smooth |
| I.D. MM | 17 |
| Inside Diameter | 0.671875 |
| Material | Steel |
| Meets / Exceeds OEM? | Yes |
| Mount Hole Qty | 1 |
| Mounting Hardware? | Included |
| O.D. MM | 69.850 |
| Outside Diameter | 2.750 |
| Pulley Type | Back Idler |
| Pulley Width IN | 1.18 |
| Pulley Width MM | 28.7 |
| Style | Idler / Tensioner Pulley |
| Type | Pulley |
| Width | 30 |
This part fits 34 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2011 | Cadillac | STS | Air Conditioning | Pulley | ||
| 2011 | Cadillac | STS | Power Steering | Pulley | ||
| 2010 | Cadillac | STS | 3.6L | V6 | Air Conditioning | Pulley |
| 2010 | Cadillac | STS | 3.6L | V6 | Power Steering | Pulley |
| 2009 | Cadillac | CTS | 3.6L | V6 | Air Conditioning | Pulley |
| 2009 | Cadillac | CTS | 3.6L | V6 | Power Steering | Pulley |
| 2009 | Cadillac | SRX | 3.6L | V6 | Air Conditioning | Pulley |
| 2009 | Cadillac | SRX | 3.6L | V6 | Power Steering | Pulley |
| 2009 | Cadillac | STS | 3.6L | V6 | Air Conditioning | Pulley |
| 2009 | Cadillac | STS | 3.6L | V6 | Power Steering | Pulley |
| 2008 | Cadillac | CTS | Air Conditioning | Pulley | ||
| 2008 | Cadillac | CTS | Power Steering | Pulley | ||
| 2008 | Cadillac | STS | 3.6L | V6 | Air Conditioning | Pulley |
| 2008 | Cadillac | STS | 3.6L | V6 | Power Steering | Pulley |
| 2007 | Cadillac | CTS | 2.8L | V6 | Air Conditioning | Pulley |
| 2007 | Cadillac | CTS | 2.8L | V6 | Power Steering | Pulley |
| 2007 | Cadillac | CTS | 3.6L | V6 | Air Conditioning | Pulley |
| 2007 | Cadillac | CTS | 3.6L | V6 | Power Steering | Pulley |
| 2007 | Cadillac | STS | 3.6L | V6 | Air Conditioning | Pulley |
| 2007 | Cadillac | STS | 3.6L | V6 | Power Steering | Pulley |
| 2006 | Cadillac | CTS | 2.8L | V6 | Air Conditioning | Pulley |
| 2006 | Cadillac | CTS | 2.8L | V6 | Power Steering | Pulley |
| 2006 | Cadillac | CTS | 3.6L | V6 | Air Conditioning | Pulley |
| 2006 | Cadillac | CTS | 3.6L | V6 | Power Steering | Pulley |
| 2006 | Cadillac | STS | 3.6L | V6 | Air Conditioning | Pulley |
| 2006 | Cadillac | STS | 3.6L | V6 | Power Steering | Pulley |
| 2005 | Cadillac | CTS | 2.8L | V6 | Air Conditioning | Pulley |
| 2005 | Cadillac | CTS | 2.8L | V6 | Power Steering | Pulley |
| 2005 | Cadillac | CTS | 3.6L | V6 | Air Conditioning | Pulley |
| 2005 | Cadillac | CTS | 3.6L | V6 | Power Steering | Pulley |
| 2005 | Cadillac | STS | 3.6L | V6 | Air Conditioning | Pulley |
| 2005 | Cadillac | STS | 3.6L | V6 | Power Steering | Pulley |
| 2004 | Cadillac | CTS | 3.6L | V6 | Air Conditioning | Pulley |
| 2004 | Cadillac | CTS | 3.6L | V6 | Power Steering | 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.