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Four Seasons 45906 Accessory Drive Belt Idler Pulley
Reliable Accessory Drive Belt Idler Pulley for Mitsubishi Vehicles
The Four Seasons Pulley 45906 is a precision-engineered accessory drive belt idler pulley designed for select Mitsubishi models including Eclipse, Galant, Lancer, Montero, and Outlander. Crafted from durable steel with a smooth groove design, this pulley ensures consistent serpentine belt tension and alignment for optimal engine performance.
- Constructed from high-strength steel for durability
- Black finish with a smooth groove for serpentine belts
- Outside diameter: 3.5625 inches (90.488 mm)
- Inside diameter: 0.40625 inches (10.160 mm)
- Width: 1.18 inches (30 mm)
- Compatible with serpentine belt width of 1.1875 inches (28.575 mm)
- Back idler pulley type with single mount hole (mounting hardware not included)
- Meets or exceeds OEM specifications for reliable fit and function
Four Seasons Pulley Product Line Overview
The Four Seasons Pulley line focuses on delivering durable and precise accessory drive components that meet or exceed original equipment manufacturer standards. This product line emphasizes quality materials and exact fitment to maintain proper belt tension and reduce wear on belt-driven accessories. The 45906 idler pulley is part of this line, engineered specifically for Mitsubishi vehicles to ensure consistent performance and longevity.
Detailed Product Description
This accessory drive belt idler pulley features a steel construction with a black finish, providing strength and corrosion resistance. The smooth groove design is optimized for serpentine belts, helping to maintain proper belt tracking and tension. With an outside diameter of 3.5625 inches and a width of 1.18 inches, it fits serpentine belts with a width of approximately 1.1875 inches. The pulley’s inside diameter measures 0.40625 inches, and it includes a single mounting hole for secure installation. This back idler pulley is designed to meet or exceed OEM specifications, ensuring compatibility and reliable operation in Mitsubishi Eclipse, Galant, Lancer, Montero, and Outlander models.
Common Applications and Issues Addressed
- Restores proper serpentine belt tension and alignment
- Eliminates belt slippage and squealing noises
- Prevents premature belt wear and damage
- Reduces risk of accessory drive system failure
- Replaces worn or damaged idler pulleys in Mitsubishi vehicles
Installation Notes and Tips
Installation requires removal of the serpentine belt and securing the pulley using the single mount hole. Note that mounting hardware is not included and should be reused or replaced as necessary. Ensure the belt width matches the pulley specifications (approximately 1.1875 inches) for proper fit. Verify alignment with other accessory drive components during installation to prevent belt misalignment or premature wear.
Quality Assurance and Warranty
The Four Seasons Pulley 45906 is manufactured to meet or exceed OEM standards, providing reliable performance and durability. While specific warranty details are not provided, Four Seasons products typically come with a limited warranty against defects in materials and workmanship. This ensures confidence in the product’s quality and fitment for Mitsubishi Eclipse, Galant, Lancer, Montero, and Outlander vehicles.
| Brand | Four Seasons |
| Part Number | 45906 |
| Position | Pulley |
| Belt Type | Serpentine |
| Belt Width IN | 1.1875 |
| Belt Width MM | 28.575 |
| Bore Dia. IN | .399 |
| Color | Black |
| Description | Idler Pulley |
| Groove Quantity | Smooth |
| I.D. MM | 10.160 |
| Inside Diameter | 0.40625 |
| Material | Steel |
| Meets / Exceeds OEM? | Yes |
| Mount Hole Qty | 1 |
| Mounting Hardware? | Not Included |
| O.D. MM | 90.488 |
| Outside Diameter | 3.5625 |
| Pulley Type | Back Idler |
| Pulley Width IN | 1.18 |
| Pulley Width MM | 30 |
| Style | Idler Pulley |
| Type | Pulley |
| Width | 30 |
This part fits 31 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2012 | Mitsubishi | Eclipse | 2.4L | L4 | N/A | Pulley |
| 2012 | Mitsubishi | Galant | N/A | Pulley | ||
| 2011 | Mitsubishi | Eclipse | 2.4L | L4 | N/A | Pulley |
| 2011 | Mitsubishi | Galant | N/A | Pulley | ||
| 2010 | Mitsubishi | Eclipse | 2.4L | L4 | N/A | Pulley |
| 2010 | Mitsubishi | Galant | N/A | Pulley | ||
| 2009 | Mitsubishi | Eclipse | 2.4L | L4 | N/A | Pulley |
| 2009 | Mitsubishi | Galant | 2.4L | L4 | N/A | Pulley |
| 2008 | Mitsubishi | Eclipse | 2.4L | L4 | N/A | Pulley |
| 2008 | Mitsubishi | Galant | 2.4L | L4 | N/A | Pulley |
| 2007 | Mitsubishi | Eclipse | 2.4L | L4 | N/A | Pulley |
| 2007 | Mitsubishi | Galant | 2.4L | L4 | N/A | Pulley |
| 2006 | Mitsubishi | Eclipse | 2.4L | L4 | N/A | Pulley |
| 2006 | Mitsubishi | Galant | 2.4L | L4 | N/A | Pulley |
| 2006 | Mitsubishi | Lancer | N/A | Pulley | ||
| 2006 | Mitsubishi | Montero | N/A | Smooth pulley for accessory drive belt tensioner.; Pulley | ||
| 2006 | Mitsubishi | Outlander | N/A | Smooth pulley for accessory drive belt tensioner.; Pulley | ||
| 2005 | Mitsubishi | Galant | 2.4L | L4 | N/A | Pulley |
| 2005 | Mitsubishi | Lancer | N/A | Pulley | ||
| 2005 | Mitsubishi | Montero | N/A | Smooth pulley for accessory drive belt tensioner.; Pulley | ||
| 2005 | Mitsubishi | Outlander | N/A | Smooth pulley for accessory drive belt tensioner.; Pulley | ||
| 2004 | Mitsubishi | Galant | 2.4L | L4 | N/A | Pulley |
| 2004 | Mitsubishi | Lancer | N/A | Pulley | ||
| 2004 | Mitsubishi | Montero | N/A | Smooth pulley for accessory drive belt tensioner.; Pulley | ||
| 2004 | Mitsubishi | Outlander | N/A | Smooth pulley for accessory drive belt tensioner.; Pulley | ||
| 2003 | Mitsubishi | Lancer | N/A | Pulley | ||
| 2003 | Mitsubishi | Montero | N/A | Smooth pulley for accessory drive belt tensioner.; Pulley | ||
| 2003 | Mitsubishi | Outlander | N/A | Smooth pulley for accessory drive belt tensioner.; Pulley | ||
| 2002 | Mitsubishi | Lancer | N/A | Pulley | ||
| 2002 | Mitsubishi | Montero | N/A | Smooth pulley for accessory drive belt tensioner.; Pulley | ||
| 2001 | Mitsubishi | Montero | N/A | Smooth pulley for accessory drive 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.