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Gates 37004P Alternator Decoupler Pulley
Overview of Gates Decoupler Pulley 37004P
The Gates Decoupler Pulley 37004P is engineered for reliable alternator performance in select Ford, Lincoln, and Mercury vehicles. Designed specifically for models like the Crown Victoria, Grand Marquis, and Town Car, this alternator decoupler pulley ensures smooth operation and reduces belt vibration.
- Constructed from durable steel for long-lasting strength
- Features 6 V-ribbed grooves for optimal belt engagement
- Flanged design enhances belt alignment and stability
- Measures 53 mm outside diameter and 49 mm width
- Includes pulley and dust cap for complete installation
- OE exact fit with a bore diameter of 12.5 mm
- Requires installation tool part number 91024-3
About the Gates Decoupler Pulley Product Line
The Gates Decoupler Pulley line focuses on delivering precise alternator pulley components that reduce vibration and improve belt life. This product line is designed to meet original equipment specifications, providing a direct replacement for factory-installed parts. The 37004P alternator decoupler pulley is part of this line, offering a flanged, steel construction with a V-ribbed groove profile to maintain consistent alternator function in Ford, Lincoln, and Mercury vehicles.
Detailed Product Description
The Gates 37004P alternator decoupler pulley is crafted from steel to withstand the stresses of engine operation. Its six V-ribbed grooves provide secure belt contact, minimizing slippage and wear. The flanged design helps maintain proper belt tracking, reducing the risk of misalignment. With an outside diameter of 53 mm and a width of 49 mm, this pulley fits precisely on alternators requiring a 12.5 mm bore diameter. The included dust cap protects the pulley assembly from contaminants, contributing to longer service life.
Common Applications and Problem Solving
- Eliminates alternator belt slippage and noise
- Reduces vibration transmitted to the alternator
- Prevents premature belt wear and damage
- Restores proper alternator pulley function in Ford Crown Victoria, Lincoln Town Car, and Mercury Grand Marquis
- Addresses pulley misalignment and related charging system issues
Installation Notes and Tips
Installation of the Gates 37004P alternator decoupler pulley requires the use of the specific tool part number 91024-3 to ensure proper fitment and torque. It is recommended to inspect the belt and related components during installation to confirm overall system integrity. Proper alignment and secure mounting are critical to avoid premature wear or failure.
Quality Assurance and Warranty
This alternator decoupler pulley meets OE exact specifications, ensuring compatibility and performance consistent with factory parts. Gates products are manufactured under strict quality control standards. While specific warranty details are not provided here, Gates typically offers coverage against manufacturing defects; consult product documentation for exact terms.
| Brand | Gates |
| Part Number | 37004P |
| Position | Decoupler Pulley |
| Bore Diameter | 12.5 |
| Contact Surface | V-Ribbed Grooved |
| Contents | Pulley, Dust Cap |
| Description | Alternator Decoupler Pulley |
| Flanged | Yes |
| Groove Quantity | 6 |
| Installation Tools Requirements | 91024-3 |
| Material | Steel |
| OE Comparison Rating | OE Exact |
| Outside Diameter | 53 |
| Required Tool Part Number | 91024-3 |
| Width | 49 |
This part fits 49 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2011 | Ford | Crown Victoria | 4.6L | V8 | FLEX | N/A | W/190A., 200A. Alt.; Installation Tool Required; Decoupler Pulley |
| 2011 | Ford | Crown Victoria | 4.6L | V8 | GAS | N/A | W/190A., 200A. Alt.; Installation Tool Required; Decoupler Pulley |
| 2011 | Lincoln | Town Car | 4.6L | V8 | FLEX | N/A | W/190A., 200A. Alt.; Installation Tool Required; Decoupler Pulley |
| 2011 | Lincoln | Town Car | 4.6L | V8 | GAS | N/A | W/190A., 200A. Alt.; Installation Tool Required; Decoupler Pulley |
| 2011 | Mercury | Grand Marquis | 4.6L | V8 | FLEX | N/A | W/190A., 200A. Alt.; Installation Tool Required; Decoupler Pulley |
| 2010 | Ford | Crown Victoria | 4.6L | V8 | FLEX | N/A | W/190A., 200A. Alt.; Installation Tool Required; Decoupler Pulley |
| 2010 | Ford | Crown Victoria | 4.6L | V8 | GAS | N/A | W/190A., 200A. Alt.; Installation Tool Required; Decoupler Pulley |
| 2010 | Lincoln | Town Car | 4.6L | V8 | FLEX | N/A | W/190A., 200A. Alt.; Installation Tool Required; Decoupler Pulley |
| 2010 | Lincoln | Town Car | 4.6L | V8 | GAS | N/A | W/190A., 200A. Alt.; Installation Tool Required; Decoupler Pulley |
| 2010 | Mercury | Grand Marquis | 4.6L | V8 | FLEX | N/A | W/190A., 200A. Alt.; Installation Tool Required; Decoupler Pulley |
| 2010 | Mercury | Grand Marquis | 4.6L | V8 | GAS | N/A | W/190A., 200A. Alt.; Installation Tool Required; Decoupler Pulley |
| 2009 | Ford | Crown Victoria | 4.6L | V8 | FLEX | N/A | W/190A., 200A. Alt.; Installation Tool Required; Decoupler Pulley |
| 2009 | Ford | Crown Victoria | 4.6L | V8 | GAS | N/A | W/190A., 200A. Alt.; Installation Tool Required; Decoupler Pulley |
| 2009 | Lincoln | Town Car | 4.6L | V8 | FLEX | N/A | W/190A., 200A. Alt.; Installation Tool Required; Decoupler Pulley |
| 2009 | Lincoln | Town Car | 4.6L | V8 | GAS | N/A | W/190A., 200A. Alt.; Installation Tool Required; Decoupler Pulley |
| 2009 | Mercury | Grand Marquis | 4.6L | V8 | FLEX | N/A | W/190A., 200A. Alt.; Installation Tool Required; Decoupler Pulley |
| 2009 | Mercury | Grand Marquis | 4.6L | V8 | GAS | N/A | W/190A., 200A. Alt.; Installation Tool Required; Decoupler Pulley |
| 2008 | Ford | Crown Victoria | 4.6L | V8 | FLEX | N/A | W/190A., 200A. Alt.; Installation Tool Required; Decoupler Pulley |
| 2008 | Ford | Crown Victoria | 4.6L | V8 | GAS | N/A | W/190A., 200A. Alt.; Installation Tool Required; Decoupler Pulley |
| 2008 | Lincoln | Town Car | 4.6L | V8 | FLEX | N/A | W/190A., 200A. Alt.; Installation Tool Required; Decoupler Pulley |
| 2008 | Lincoln | Town Car | 4.6L | V8 | GAS | N/A | W/190A., 200A. Alt.; Installation Tool Required; Decoupler Pulley |
| 2008 | Mercury | Grand Marquis | 4.6L | V8 | FLEX | N/A | W/190A., 200A. Alt.; Installation Tool Required; Decoupler Pulley |
| 2008 | Mercury | Grand Marquis | 4.6L | V8 | GAS | N/A | W/190A., 200A. Alt.; Installation Tool Required; Decoupler Pulley |
| 2007 | Ford | Crown Victoria | 4.6L | V8 | FLEX | N/A | W/190A., 200A. Alt.; Installation Tool Required; Decoupler Pulley |
| 2007 | Ford | Crown Victoria | 4.6L | V8 | GAS | N/A | W/190A., 200A. Alt.; Installation Tool Required; Decoupler Pulley |
| 2007 | Lincoln | Town Car | 4.6L | V8 | FLEX | N/A | W/190A., 200A. Alt.; Installation Tool Required; Decoupler Pulley |
| 2007 | Lincoln | Town Car | 4.6L | V8 | GAS | N/A | W/190A., 200A. Alt.; Installation Tool Required; Decoupler Pulley |
| 2007 | Mercury | Grand Marquis | 4.6L | V8 | FLEX | N/A | W/190A., 200A. Alt.; Installation Tool Required; Decoupler Pulley |
| 2007 | Mercury | Grand Marquis | 4.6L | V8 | GAS | N/A | W/190A., 200A. Alt.; Installation Tool Required; Decoupler Pulley |
| 2006 | Ford | Crown Victoria | 4.6L | V8 | FLEX | N/A | W/190A., 200A. Alt.; Installation Tool Required; Decoupler Pulley |
| 2006 | Ford | Crown Victoria | 4.6L | V8 | GAS | N/A | W/190A., 200A. Alt.; Installation Tool Required; Decoupler Pulley |
| 2006 | Lincoln | Town Car | 4.6L | V8 | FLEX | N/A | W/190A., 200A. Alt.; Installation Tool Required; Decoupler Pulley |
| 2006 | Lincoln | Town Car | 4.6L | V8 | GAS | N/A | W/190A., 200A. Alt.; Installation Tool Required; Decoupler Pulley |
| 2006 | Mercury | Grand Marquis | 4.6L | V8 | FLEX | N/A | W/190A., 200A. Alt.; Installation Tool Required; Decoupler Pulley |
| 2006 | Mercury | Grand Marquis | 4.6L | V8 | GAS | N/A | W/190A., 200A. Alt.; Installation Tool Required; Decoupler Pulley |
| 2005 | Ford | Crown Victoria | 4.6L | V8 | CNG | N/A | W/190A., 200A. Alt.; Installation Tool Required; Decoupler Pulley |
| 2005 | Ford | Crown Victoria | 4.6L | V8 | GAS | N/A | W/190A., 200A. Alt.; Installation Tool Required; Decoupler Pulley |
| 2005 | Mercury | Grand Marquis | 4.6L | V8 | GAS | N/A | W/190A., 200A. Alt.; Installation Tool Required; Decoupler Pulley |
| 2004 | Ford | Crown Victoria | 4.6L | V8 | CNG | N/A | W/190A., 200A. Alt.; Installation Tool Required; Decoupler Pulley |
| 2004 | Ford | Crown Victoria | 4.6L | V8 | GAS | N/A | W/190A., 200A. Alt.; Installation Tool Required; Decoupler Pulley |
| 2004 | Ford | Grand Marquis | 4.6L | V8 | GAS | N/A | W/190A., 200A. Alt.; Installation Tool Required; Decoupler Pulley |
| 2004 | Mercury | Grand Marquis | 4.6L | V8 | GAS | N/A | W/190A., 200A. Alt.; Installation Tool Required; Decoupler Pulley |
| 2003 | Ford | Crown Victoria | 4.6L | V8 | CNG | N/A | W/190A., 200A. Alt.; Installation Tool Required; Decoupler Pulley |
| 2003 | Ford | Crown Victoria | 4.6L | V8 | GAS | N/A | W/190A., 200A. Alt.; Installation Tool Required; Decoupler Pulley |
| 2003 | Ford | Grand Marquis | 4.6L | V8 | GAS | N/A | W/190A., 200A. Alt.; Installation Tool Required; Decoupler Pulley |
| 2003 | Mercury | Grand Marquis | 4.6L | V8 | GAS | N/A | W/190A., 200A. Alt.; Installation Tool Required; Decoupler Pulley |
| 2002 | Mercury | Grand Marquis | 4.6L | V8 | GAS | N/A | W/190A., 200A. Alt.; Installation Tool Required; Decoupler Pulley |
| 2001 | Mercury | Grand Marquis | 4.6L | V8 | GAS | N/A | W/190A., 200A. Alt.; Installation Tool Required; Decoupler Pulley |
| 2000 | Mercury | Grand Marquis | 4.6L | V8 | GAS | N/A | W/190A., 200A. Alt.; Installation Tool Required; 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.