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Four Seasons 45911 Accessory Drive Belt Idler Pulley Eccentric Cam
Overview of Four Seasons Eccentric Arm Accessory Drive Belt Idler Pulley
The Four Seasons Eccentric Arm Accessory Drive Belt Idler Pulley (Part Number 45911) is designed for precise tension adjustment in serpentine belt systems. This component is compatible with Dodge Challenger, D50, Power Ram 50, and Ram 50 models, ensuring reliable performance in these vehicles.
- Part Number: 45911
- Brand Line: Eccentric Arm
- Material: Aluminum and steel construction for durability
- Drive Belt Type: Serpentine
- Outside Diameter: 3.8 inches
- Inside Diameter: 0.47 inches
- Depth: 0.69 inches
- Mounting Hole Diameter: 0.665 inches
- Mount Hole Quantity: 2
- Overall Width: 1.71 inches
- Hub Offset: 1 inch
- Style: Eccentric arm
- Bolt and washer not included
Detailed Product Description
This accessory drive belt idler pulley is engineered with an eccentric arm style, allowing for precise adjustment of belt tension in serpentine belt systems. Constructed from a combination of aluminum and steel, it offers a balance of strength and corrosion resistance. The pulley features a 3.8-inch outside diameter and a 0.47-inch inside diameter, with a depth of 0.69 inches, making it suitable for specific belt routing requirements. The mounting hole diameter of 0.665 inches and two mounting holes ensure secure installation. The 1-inch hub offset and 1.71-inch overall width provide the necessary clearance and alignment for optimal belt operation.
About the Eccentric Arm Product Line
The Four Seasons Eccentric Arm product line focuses on components designed to provide adjustable tensioning solutions for accessory drive belt systems. This idler pulley is part of that line, offering a reliable eccentric cam mechanism that allows for fine-tuning belt tension, which is critical for maintaining proper belt alignment and preventing premature wear in Dodge Challenger, D50, Power Ram 50, and Ram 50 vehicles.
Common Applications and Problem Solving
- Maintains proper serpentine belt tension to prevent slipping
- Reduces belt noise caused by improper tension
- Prevents premature wear of belts and pulleys
- Ensures smooth operation of accessory drive components
- Addresses misalignment issues in belt routing
Installation Notes and Tips
- Compatible with Dodge Challenger, D50, Power Ram 50, and Ram 50 models
- Bolt and washer are not included; use existing hardware or source separately
- Ensure proper alignment of the eccentric arm during installation for accurate tension adjustment
- Verify mounting hole sizes and spacing before installation
- Inspect serpentine belt condition when replacing the idler pulley
Quality Assurance and Warranty
Manufactured by Four Seasons, this idler pulley meets industry standards for durability and performance. The combination of aluminum and steel materials provides corrosion resistance and structural integrity. While specific warranty details are not provided, Four Seasons products typically adhere to quality assurance protocols to ensure reliable operation in compatible Dodge vehicles.
| Brand | Four Seasons |
| Part Number | 45911 |
| Position | Eccentric Arm |
| Bolt And Washer Included | Not Included |
| Depth | .69 |
| Description | Idlers / Tensioners |
| Drive Belt Type | Serpentine |
| Hub Offset IN | 1 |
| Inside Diameter | .47 |
| Length | 3.8 |
| Material | Aluminum / Steel |
| Mount Hole Qty | 2 |
| Mounting Hole Diameter | 0.665 |
| Outside Diameter | 3.8 |
| Overall Width IN | 1.71 |
| Style | Eccentric Arm |
| Type | Pulley Part |
This part fits 16 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1986 | Dodge | Power Ram 50 | N/A | 1" Offset; Eccentric Arm |
| 1986 | Dodge | Ram 50 | N/A | 1" Offset; Eccentric Arm |
| 1985 | Dodge | Power Ram 50 | N/A | 1" Offset; Eccentric Arm |
| 1985 | Dodge | Ram 50 | N/A | 1" Offset; Eccentric Arm |
| 1984 | Dodge | Power Ram 50 | N/A | 1" Offset; Eccentric Arm |
| 1984 | Dodge | Ram 50 | N/A | 1" Offset; Eccentric Arm |
| 1983 | Dodge | Challenger | N/A | 1" Offset; Eccentric Arm |
| 1983 | Dodge | Power Ram 50 | N/A | 1" Offset; Eccentric Arm |
| 1983 | Dodge | Ram 50 | N/A | 1" Offset; Eccentric Arm |
| 1982 | Dodge | Challenger | N/A | 1" Offset; Eccentric Arm |
| 1982 | Dodge | D50 | N/A | 1" Offset; Eccentric Arm |
| 1981 | Dodge | Challenger | N/A | 1" Offset; Eccentric Arm |
| 1981 | Dodge | D50 | N/A | 1" Offset; Eccentric Arm |
| 1980 | Dodge | Challenger | N/A | 1" Offset; Eccentric Arm |
| 1980 | Dodge | D50 | N/A | 1" Offset; Eccentric Arm |
| 1979 | Dodge | Challenger | N/A | 1" Offset; Eccentric Arm |
* 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.