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Dorman 300-320 Power Steering Pump Pulley
Overview of Dorman Power Steering Pump Pulley 300-320
The Dorman 300-320 power steering pump pulley is designed specifically for Jeep Wrangler models, providing reliable performance and durability. Crafted from phenolic material, this black pulley features a 6-groove serpentine belt design to ensure proper belt alignment and efficient power steering operation.
- Material: Durable phenolic construction
- Color: Black finish for corrosion resistance
- Groove Quantity: 6 grooves for serpentine belt compatibility
- Outside Diameter: 6.1 inches for precise fitment
- Mounting Hole Quantity: Single mounting hole
- Belt Type: Designed for serpentine belts
- Mounting Hardware: Not included
- Installation Instructions: Not included
- Item Grade: Standard replacement quality
- Package Contents: One power steering pump pulley
- Pulley Bore Diameter: 0.588 inches
Detailed Product Description
The Dorman 300-320 power steering pump pulley is engineered to meet the specifications required for Jeep Wrangler vehicles. Its phenolic material offers a balance of strength and lightweight properties, reducing stress on the power steering pump. The 6-groove design matches the serpentine belt system used in these models, ensuring smooth power transmission and minimizing belt slippage. With an outside diameter of 6.1 inches and a 0.588-inch bore, this pulley fits securely onto the power steering pump shaft, maintaining proper alignment and function.
Compatible Applications and Common Issues Addressed
This power steering pump pulley is compatible with Jeep Wrangler models that utilize a serpentine belt system. It is an appropriate replacement part for addressing several common power steering problems, including:
- Worn or damaged pulley grooves causing belt slippage
- Cracked or weakened pulley material leading to failure
- Misalignment of the power steering belt system
- Noise or vibration originating from the power steering pump area
- Replacement of a corroded or rusted pulley
Installation Notes and Tips
Installation of the Dorman 300-320 power steering pump pulley requires removal of the old pulley and proper alignment of the new one on the power steering pump shaft. Since mounting hardware and installation instructions are not included, it is recommended to use appropriate tools and follow Jeep Wrangler service guidelines. Ensure the serpentine belt is correctly routed over the 6-groove pulley to maintain optimal power steering performance.
Quality Assurance and Warranty Information
Dorman power steering pump pulleys are manufactured to meet standard replacement quality requirements. The 300-320 part number undergoes quality checks to ensure durability and fitment accuracy for Jeep Wrangler vehicles. While specific warranty details are not provided, Dorman products typically come with limited warranties covering defects in material and workmanship.
| Brand | Dorman |
| Part Number | 300-320 |
| Belt Type | Serpentine |
| Color | Black |
| Groove Quantity | 6 |
| Installation Instructions Included | No |
| Item Grade | Standard Replacement |
| Material | Phenolic |
| Mounting Hardware Included | No |
| Mounting Hole Quantity | 1 |
| Outside Diameter | 6.1 |
| Package Contents | Pulley |
| Pulley Bore | 0.588 in |
This part fits 5 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2011 | Jeep | Wrangler | 3.8L | V6 | N/A | |
| 2010 | Jeep | Wrangler | 3.8L | V6 | N/A | |
| 2009 | Jeep | Wrangler | 3.8L | V6 | N/A | |
| 2008 | Jeep | Wrangler | 3.8L | V6 | N/A | |
| 2007 | Jeep | Wrangler | 3.8L | V6 | N/A |
* 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.