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Four Seasons 45904 Accessory Drive Belt Tensioner Pulley
Reliable Accessory Drive Belt Tensioner Pulley for Chrysler, Dodge, Mitsubishi
The Four Seasons Pulley 45904 is a precision-engineered accessory drive belt tensioner pulley designed for select Chrysler, Dodge, and Mitsubishi vehicles. This idler pulley ensures proper belt tension and smooth operation of the accessory drive system, contributing to overall engine performance and reliability.
- Constructed from durable metal with a black finish for corrosion resistance
- Outside diameter of 3.5625 inches (90.488 mm) and width of 1.25 inches (31.8 mm)
- Smooth groove design compatible with back idler belt types
- Inside diameter of 0.40625 inches (10.160 mm) with a bore diameter of 0.399 inches
- Meets or exceeds OEM specifications for reliable fit and function
- Single mount hole design; mounting hardware not included
Four Seasons Pulley Product Line Overview
The Four Seasons Pulley line focuses on high-quality pulley components engineered to meet or exceed original equipment manufacturer standards. This product line emphasizes durability and precise fitment, making it suitable for accessory drive belt systems in various vehicle makes and models. The 45904 idler pulley is part of this line, offering consistent performance for Chrysler, Dodge, and Mitsubishi vehicles requiring a back idler belt pulley.
Product Details and Specifications
This accessory drive belt tensioner pulley features a metal construction with a black finish, providing strength and resistance to wear. The smooth groove design is optimized for back idler belt types, ensuring proper belt tracking and tension. With an outside diameter of 3.5625 inches and a width of 1.25 inches, it fits securely within the accessory drive system. The inside diameter measures 0.40625 inches, with a bore diameter of 0.399 inches, designed for precise mounting. This pulley is compatible with Chrysler, Dodge, and Mitsubishi models including the Diamante, Eclipse, Endeavor, Galant, Sebring, and Stratus.
Common Applications and Issues Addressed
- Restores proper belt tension to prevent slipping or noise
- Replaces worn or damaged idler pulleys causing belt misalignment
- Eliminates squealing or chirping sounds from the accessory drive system
- Prevents premature belt wear due to pulley surface damage
- Ensures smooth operation of alternator, power steering, and A/C belts
Installation Notes and Tips
Installation requires removal of the old idler pulley and mounting this replacement using the existing hardware, as mounting hardware is not included. Verify the pulley orientation and belt routing before installation. Use appropriate tools to torque the pulley bolt to manufacturer specifications. Inspect the accessory drive belt for wear during installation and replace if necessary to ensure optimal system performance.
Quality Assurance and Warranty
The Four Seasons Pulley 45904 meets or exceeds OEM standards, ensuring reliable fit and function. Manufactured with high-quality metal materials, this pulley is designed for durability and long service life. While specific warranty details are not provided, Four Seasons products typically come with a limited warranty against defects in material and workmanship.
| Brand | Four Seasons |
| Part Number | 45904 |
| Position | Pulley |
| Belt Type | Back Idler |
| Belt Width IN | 0.9375 |
| Belt Width MM | 23.8125 |
| Bore Dia. IN | .399 |
| Color | Black |
| Description | Idler Pulley |
| Groove Quantity | Smooth |
| I.D. MM | 10.160 |
| Inside Diameter | 0.40625 |
| Material | Metal |
| Meets / Exceeds OEM? | Yes |
| Mount Hole Qty | 1 |
| Mounting Hardware? | Not Included |
| O.D. MM | 90.488 |
| Outside Diameter | 3.5625 |
| Pulley Type | Idler Pulley |
| Pulley Width IN | 1.25 |
| Pulley Width MM | 31.8 |
| Style | Idler Pulley |
| Type | Pulley |
| Width | 31.8 |
This part fits 44 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2012 | Mitsubishi | Eclipse | 3.8L | V6 | N/A | Pulley |
| 2011 | Mitsubishi | Eclipse | 3.8L | V6 | N/A | Pulley |
| 2011 | Mitsubishi | Endeavor | N/A | Pulley | ||
| 2010 | Mitsubishi | Eclipse | 3.8L | V6 | N/A | Pulley |
| 2010 | Mitsubishi | Endeavor | N/A | Pulley | ||
| 2009 | Mitsubishi | Eclipse | 3.8L | V6 | N/A | Pulley |
| 2009 | Mitsubishi | Endeavor | N/A | Pulley | ||
| 2009 | Mitsubishi | Galant | 3.8L | V6 | N/A | Pulley |
| 2008 | Mitsubishi | Eclipse | 3.8L | V6 | N/A | Pulley |
| 2008 | Mitsubishi | Endeavor | N/A | Pulley | ||
| 2008 | Mitsubishi | Galant | 3.8L | V6 | N/A | Pulley |
| 2007 | Mitsubishi | Eclipse | 3.8L | V6 | N/A | Pulley |
| 2007 | Mitsubishi | Endeavor | N/A | Pulley | ||
| 2007 | Mitsubishi | Galant | 3.8L | V6 | N/A | Pulley |
| 2006 | Mitsubishi | Eclipse | 3.8L | V6 | N/A | Pulley |
| 2006 | Mitsubishi | Endeavor | N/A | Pulley | ||
| 2006 | Mitsubishi | Galant | 3.8L | V6 | N/A | Pulley |
| 2005 | Chrysler | Sebring | 3.0L | V6 | N/A | Pulley |
| 2005 | Dodge | Stratus | 3.0L | V6 | N/A | Pulley |
| 2005 | Mitsubishi | Endeavor | N/A | Pulley | ||
| 2005 | Mitsubishi | Galant | 3.8L | V6 | N/A | Pulley |
| 2004 | Chrysler | Sebring | 3.0L | V6 | N/A | Pulley |
| 2004 | Dodge | Stratus | 3.0L | V6 | N/A | Pulley |
| 2004 | Mitsubishi | Diamante | N/A | Pulley | ||
| 2004 | Mitsubishi | Endeavor | N/A | Pulley | ||
| 2004 | Mitsubishi | Galant | 3.8L | V6 | N/A | Pulley |
| 2003 | Chrysler | Sebring | 3.0L | V6 | N/A | Pulley |
| 2003 | Dodge | Stratus | 3.0L | V6 | N/A | Pulley |
| 2003 | Mitsubishi | Diamante | N/A | Pulley | ||
| 2003 | Mitsubishi | Galant | 3.0L | V6 | N/A | Pulley |
| 2002 | Chrysler | Sebring | 3.0L | V6 | N/A | Pulley |
| 2002 | Dodge | Stratus | 3.0L | V6 | N/A | Pulley |
| 2002 | Mitsubishi | Diamante | N/A | Pulley | ||
| 2002 | Mitsubishi | Galant | 3.0L | V6 | N/A | Pulley |
| 2001 | Chrysler | Sebring | 3.0L | V6 | N/A | Pulley |
| 2001 | Dodge | Stratus | 3.0L | V6 | N/A | Pulley |
| 2001 | Mitsubishi | Diamante | N/A | Pulley | ||
| 2001 | Mitsubishi | Galant | 3.0L | V6 | N/A | Pulley |
| 2000 | Mitsubishi | Diamante | N/A | Pulley | ||
| 2000 | Mitsubishi | Galant | 3.0L | V6 | N/A | Pulley |
| 1999 | Mitsubishi | Diamante | N/A | Pulley | ||
| 1999 | Mitsubishi | Galant | 3.0L | V6 | N/A | Pulley |
| 1998 | Mitsubishi | Diamante | N/A | Pulley | ||
| 1997 | Mitsubishi | Diamante | N/A | 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.