OE Quality
60-Day Returns

Gates 37165P Alternator Decoupler Pulley
Reliable Alternator Decoupler Pulley for Hyundai and Kia Vehicles
The Gates Decoupler Pulley 37165P is engineered to provide smooth alternator operation for select Hyundai and Kia models. Designed with precision steel construction and a one-way clutch mechanism, this pulley helps reduce belt vibration and improve charging system efficiency.
- Constructed from durable steel for long-lasting performance
- Features 6 V-ribbed grooves for optimal belt engagement
- Flanged design enhances belt alignment and stability
- Includes pulley and dust cap for complete installation
- OE exact fit for Hyundai Forte, Sonata, Sportage, and Kia Optima, Tucson, and more
- Requires installation tool part number 91024-1 for proper mounting
- Outside diameter: 60 mm, width: 37.5 mm, bore diameter: 17 mm
About the Gates Decoupler Pulley Product Line
The Gates Decoupler Pulley line focuses on delivering reliable alternator decoupler pulleys designed to reduce belt noise and vibration in electrical charging systems. This product line incorporates one-way clutch technology to allow the alternator to freewheel when necessary, improving belt life and overall system durability. The 37165P model is part of this line, offering an OE exact replacement solution for various Hyundai and Kia vehicles.
Product Details and Specifications
This alternator decoupler pulley is made from high-quality steel, ensuring strength and resistance to wear. It features six V-ribbed grooves that match the serpentine belt profile used in many Hyundai Forte, Forte5, Forte Koup, Magentis, Optima, Rondo, Sonata, Sportage, and Tucson models. The flanged design helps maintain proper belt tracking and reduces the risk of belt slippage. The included dust cap protects the pulley’s internal components from contaminants, extending service life. The pulley’s dimensions—60 mm outside diameter, 37.5 mm width, and 17 mm bore diameter—are engineered for precise fitment and function.
Common Applications and Problem Solving
- Reduces alternator belt vibration and noise
- Prevents premature belt wear and damage
- Improves alternator pulley engagement and freewheeling
- Addresses issues with alternator belt slippage or misalignment
- Restores proper charging system operation in affected Hyundai and Kia models
Installation Notes and Tips
Installation of the Gates 37165P alternator decoupler pulley requires the use of the specific tool 91024-1 to ensure correct mounting and torque. Proper alignment of the pulley grooves with the serpentine belt is critical to avoid belt wear or noise. It is recommended to inspect the belt and related components during installation and replace any worn parts to maintain system reliability.
Quality Assurance and Warranty
Gates alternator decoupler pulleys are manufactured to meet OE specifications, ensuring compatibility and performance. The 37165P part number is rated as an OE exact replacement, providing confidence in fit and function. While specific warranty details are not provided here, Gates products typically come with manufacturer-backed quality assurance to support durability and reliability in automotive applications.
| Brand | Gates |
| Part Number | 37165P |
| Position | Decoupler Pulley |
| Bore Diameter | 17 |
| Contact Surface | V-Ribbed Grooved |
| Contents | Pulley, Dust Cap |
| Description | One-Way Clutch Decoupler Pulley |
| Flanged | Yes |
| Flanged | Yes |
| Groove Quantity | 6 |
| Installation Tools Requirements | 91024-1 |
| Material | Steel |
| OE Comparison Rating | OE Exact |
| Outside Diameter | 60 |
| Required Tool Part Number | 91024-1 |
| Width | 37.5 |
This part fits 44 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2014 | Hyundai | Sonata | 2.4L | L4 | GAS | N/A | Decoupler Pulley |
| 2013 | Hyundai | Sonata | 2.4L | L4 | GAS | N/A | Decoupler Pulley |
| 2013 | Hyundai | Tucson | 2.0L | L4 | GAS | N/A | Decoupler Pulley |
| 2013 | Hyundai | Tucson | 2.4L | L4 | GAS | N/A | Decoupler Pulley |
| 2013 | Kia | Forte | 2.0L | L4 | GAS | N/A | Decoupler Pulley |
| 2013 | Kia | Forte | 2.4L | L4 | GAS | N/A | Decoupler Pulley |
| 2013 | Kia | Forte Koup | 2.0L | L4 | GAS | N/A | Decoupler Pulley |
| 2013 | Kia | Forte Koup | 2.4L | L4 | GAS | N/A | Decoupler Pulley |
| 2013 | Kia | Forte5 | 2.0L | L4 | GAS | N/A | Decoupler Pulley |
| 2013 | Kia | Forte5 | 2.4L | L4 | GAS | N/A | Decoupler Pulley |
| 2013 | Kia | Optima | 2.4L | L4 | GAS | N/A | Decoupler Pulley |
| 2013 | Kia | Sportage | 2.0L | L4 | GAS | N/A | Decoupler Pulley |
| 2013 | Kia | Sportage | 2.4L | L4 | GAS | N/A | Decoupler Pulley |
| 2012 | Hyundai | Tucson | 2.0L | L4 | GAS | N/A | Decoupler Pulley |
| 2012 | Hyundai | Tucson | 2.4L | L4 | GAS | N/A | Decoupler Pulley |
| 2012 | Kia | Forte | 2.0L | L4 | GAS | N/A | Decoupler Pulley |
| 2012 | Kia | Forte | 2.4L | L4 | GAS | N/A | Decoupler Pulley |
| 2012 | Kia | Forte Koup | 2.0L | L4 | GAS | N/A | Decoupler Pulley |
| 2012 | Kia | Forte Koup | 2.4L | L4 | GAS | N/A | Decoupler Pulley |
| 2012 | Kia | Forte5 | 2.0L | L4 | GAS | N/A | Decoupler Pulley |
| 2012 | Kia | Forte5 | 2.4L | L4 | GAS | N/A | Decoupler Pulley |
| 2012 | Kia | Optima | 2.4L | L4 | GAS | N/A | Decoupler Pulley |
| 2012 | Kia | Rondo | 2.4L | L4 | GAS | N/A | Decoupler Pulley |
| 2012 | Kia | Sportage | 2.0L | L4 | GAS | N/A | Decoupler Pulley |
| 2012 | Kia | Sportage | 2.4L | L4 | GAS | N/A | Decoupler Pulley |
| 2011 | Hyundai | Tucson | 2.0L | L4 | GAS | N/A | Decoupler Pulley |
| 2011 | Hyundai | Tucson | 2.4L | L4 | GAS | N/A | Decoupler Pulley |
| 2011 | Kia | Forte | 2.0L | L4 | GAS | N/A | Decoupler Pulley |
| 2011 | Kia | Forte | 2.4L | L4 | GAS | N/A | Decoupler Pulley |
| 2011 | Kia | Forte Koup | 2.0L | L4 | GAS | N/A | Decoupler Pulley |
| 2011 | Kia | Forte Koup | 2.4L | L4 | GAS | N/A | Decoupler Pulley |
| 2011 | Kia | Optima | 2.4L | L4 | GAS | N/A | Decoupler Pulley |
| 2011 | Kia | Rondo | 2.4L | L4 | GAS | N/A | Decoupler Pulley |
| 2011 | Kia | Sportage | 2.0L | L4 | GAS | N/A | Decoupler Pulley |
| 2011 | Kia | Sportage | 2.4L | L4 | GAS | N/A | Decoupler Pulley |
| 2010 | Kia | Forte | 2.0L | L4 | GAS | N/A | Decoupler Pulley |
| 2010 | Kia | Forte | 2.4L | L4 | GAS | N/A | Decoupler Pulley |
| 2010 | Kia | Forte Koup | 2.0L | L4 | GAS | N/A | Decoupler Pulley |
| 2010 | Kia | Forte Koup | 2.4L | L4 | GAS | N/A | Decoupler Pulley |
| 2010 | Kia | Magentis | 2.4L | L4 | GAS | N/A | Decoupler Pulley |
| 2010 | Kia | Optima | 2.4L | L4 | GAS | N/A | Decoupler Pulley |
| 2010 | Kia | Rondo | 2.4L | L4 | GAS | N/A | Decoupler Pulley |
| 2009 | Kia | Optima | 2.4L | L4 | GAS | N/A | Decoupler Pulley |
| 2009 | Kia | Rondo | 2.4L | L4 | GAS | N/A | Decoupler 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.