OE Quality
60-Day Returns

Four Seasons 45920 Accessory Drive Belt Idler Pulley Bolt
Reliable Pulley Bolt for Dodge Colt and Ram 50 Models
The Four Seasons Pulley Bolt 45920 is a precision-engineered steel component designed for accessory drive belt idler pulleys. Specifically compatible with Dodge Colt, D50, Power Ram 50, and Ram 50 vehicles, this pulley bolt ensures secure and stable mounting for your belt tensioners and idlers.
- Constructed from durable steel for strength and longevity
- Gray finish for corrosion resistance and consistent performance
- Thread type: 7/16-20 with a .43-inch thread diameter
- Shoulder bolt head type with a .75-inch bolt head size for proper fit
- Bolt length approximately 1.73 inches (1.75 inches overall length)
- Outer diameter (O.D.) of 11.0 mm suitable for idler pulley applications
Four Seasons Pulley Bolt Product Line Overview
The Pulley Bolt line by Four Seasons focuses on hardware components essential for accessory drive belt systems. This product line provides reliable fastening solutions for idlers and tensioners, ensuring proper belt alignment and tension. The 45920 pulley bolt is part of this line, engineered to meet the specific requirements of certain Dodge models, maintaining system integrity and performance.
Detailed Product Description
This accessory drive belt idler pulley bolt is crafted from steel to provide the necessary strength and durability required in automotive belt systems. The gray color finish offers resistance against corrosion, extending the service life of the bolt. Featuring a 7/16-20 thread type and a .43-inch thread diameter, it is designed to fit securely into the idler pulley assembly. The shoulder bolt head, measuring .75 inches, allows for proper torque application and fitment. With a bolt length of approximately 1.73 inches and an overall length of 1.75 inches, this pulley bolt is dimensioned to meet the specifications of Dodge Colt, D50, Power Ram 50, and Ram 50 models.
Common Applications and Issues Addressed
- Secures idler pulleys and tensioners in accessory drive belt systems
- Prevents belt misalignment caused by loose or worn bolts
- Reduces risk of pulley wobble or failure due to improper fastening
- Maintains proper belt tension for efficient engine accessory operation
- Replaces damaged or corroded pulley bolts in Dodge Colt and Ram 50 vehicles
Installation Notes and Tips
- Ensure compatibility with Dodge Colt, D50, Power Ram 50, and Ram 50 models before installation
- Use appropriate torque specifications to avoid over-tightening or under-tightening
- Inspect pulley and tensioner components for wear during installation
- Apply anti-seize compound if recommended to prevent corrosion and ease future removal
- Verify thread engagement and bolt head seating for secure fit
Quality Assurance and Warranty
Manufactured by Four Seasons, the Pulley Bolt 45920 meets industry standards for automotive hardware components. The steel construction and precise threading ensure reliable performance in demanding engine environments. While specific warranty details are not provided, Four Seasons products typically adhere to quality control measures to support durability and fitment accuracy.
| Brand | Four Seasons |
| Part Number | 45920 |
| Position | Pulley Bolt |
| Bolt Head Size IN | .75 |
| Bolt Head Type | Shoulder Bolt |
| Bolt Length IN | 1.73 |
| Color | Gray |
| Description | Idlers / Tensioners |
| Length | 1.75 |
| Material | Steel |
| O.D. MM | 11.0 |
| Style | Pulley Bolt |
| Thread Diameter | .43 |
| Thread Type | 7/16-20 |
| Type | Pulley Part |
This part fits 16 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1986 | Dodge | Power Ram 50 | N/A | 7/16 x 1-1/2" Long; Pulley Bolt | ||
| 1986 | Dodge | Ram 50 | N/A | 7/16 x 1-1/2" Long; Pulley Bolt | ||
| 1985 | Dodge | Power Ram 50 | N/A | 7/16 x 1-1/2" Long; Pulley Bolt | ||
| 1985 | Dodge | Ram 50 | N/A | 7/16 x 1-1/2" Long; Pulley Bolt | ||
| 1984 | Dodge | Colt | 1.4L | L4 | N/A | 7/16 x 1-1/2" Long; Pulley Bolt |
| 1984 | Dodge | Power Ram 50 | N/A | 7/16 x 1-1/2" Long; Pulley Bolt | ||
| 1984 | Dodge | Ram 50 | N/A | 7/16 x 1-1/2" Long; Pulley Bolt | ||
| 1983 | Dodge | Colt | 1.4L | L4 | N/A | 7/16 x 1-1/2" Long; Pulley Bolt |
| 1983 | Dodge | Power Ram 50 | N/A | 7/16 x 1-1/2" Long; Pulley Bolt | ||
| 1983 | Dodge | Ram 50 | N/A | 7/16 x 1-1/2" Long; Pulley Bolt | ||
| 1982 | Dodge | Colt | 1.4L | L4 | N/A | 7/16 x 1-1/2" Long; Pulley Bolt |
| 1982 | Dodge | D50 | N/A | 7/16 x 1-1/2" Long; Pulley Bolt | ||
| 1981 | Dodge | Colt | 1.4L | L4 | N/A | 7/16 x 1-1/2" Long; Pulley Bolt |
| 1981 | Dodge | D50 | N/A | 7/16 x 1-1/2" Long; Pulley Bolt | ||
| 1980 | Dodge | Colt | 1.4L | L4 | N/A | 7/16 x 1-1/2" Long; Pulley Bolt |
| 1980 | Dodge | D50 | N/A | 7/16 x 1-1/2" Long; Pulley Bolt |
* 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.