Dorman 946-158 Drive Shaft - Rear

Durable Aluminum Drive Shaft for Dodge Ram 2500 and 3500

The Dorman 946-158 drive shaft is engineered to provide reliable driveline performance for Dodge Ram 2500 and Ram 3500 models. Constructed from aluminum, this drive shaft offers a balance of strength and reduced weight, designed specifically for regular grade applications.

Key Features of the Dorman 946-158 Drive Shaft

• Made from lightweight and durable aluminum shaft material
• Includes a slip yoke for secure connection and ease of installation
• 87 inches in length with a 4.5-inch shaft diameter for proper fitment
• Wall thickness of 0.083 inches for structural integrity
• Does not include CV joints or axle nut
• Non-greaseable and fixed overall length design
• Package contains one complete drive shaft

Detailed Description and Specifications

This Dorman drive shaft (part number 946-158) is designed to meet the specific requirements of Dodge Ram 2500 and Ram 3500 trucks. The aluminum construction reduces rotational mass, which can contribute to improved driveline efficiency and vehicle handling. With a shaft diameter of 4.5 inches and a wall thickness of 0.083 inches, this drive shaft maintains the necessary strength for regular grade use without unnecessary weight. The included slip yoke ensures a proper fit and connection to the vehicle’s driveline components. Note that this drive shaft does not come with CV joints or an axle nut, and it is not greaseable or adjustable in length, so it is intended as a direct replacement for compatible models.

Common Applications and Problem Resolution

• Replacement for worn or damaged drive shafts on Dodge Ram 2500 and 3500
• Addresses vibration or noise issues caused by bent or imbalanced shafts
• Restores driveline integrity after axle or shaft failure
• Suitable for trucks requiring a regular grade aluminum drive shaft
• Helps maintain proper driveline alignment and performance

Installation Notes and Tips

Installation of the Dorman 946-158 drive shaft should be performed by a qualified technician familiar with Dodge Ram driveline components. Ensure the slip yoke is properly seated and secured to prevent driveline vibration. Since this drive shaft does not include CV joints or axle nuts, reuse existing compatible parts or source replacements as needed. Verify the 87-inch length matches the vehicle’s specifications before installation. Proper torque specifications should be followed to maintain safety and performance.

Quality Assurance and Warranty Information

Dorman manufactures this drive shaft to meet OEM standards for fit, form, and function. The aluminum shaft material is selected for durability and corrosion resistance under normal operating conditions. While specific warranty details are not provided here, Dorman typically offers limited warranties on their driveline components. It is recommended to consult the product packaging or Dorman’s official resources for exact warranty terms related to part number 946-158.