Dorman 946-438 Drive Shaft - Rear

Durable Drive Shaft for Ford F-350 Super Duty

The Dorman 946-438 drive shaft is engineered to provide reliable driveline performance for your Ford F-350 Super Duty. Constructed from steel with an adjustable overall length, this drive shaft is designed to meet the demands of regular grade applications.

• Made from durable steel shaft material
• Drive shaft length of 84.3 inches with adjustable overall length
• 3.5 inch shaft diameter and 0.083 inch wall thickness for strength
• Includes slip yoke for smooth driveline operation
• Greaseable design for easier maintenance
• Does not include CV joints or axle nut
• Package contains one drive shaft

Technical Details and Construction

This Dorman drive shaft (part number 946-438) is built with a 3.5 inch diameter steel shaft, providing a balance of strength and durability suitable for the Ford F-350 Super Duty. The 0.083 inch wall thickness enhances structural integrity while maintaining manageable weight. The slip yoke feature allows for smooth engagement and flexibility during driveline movement. Additionally, the greaseable design facilitates routine maintenance, helping to extend the service life of the drive shaft. The overall length is adjustable, allowing for precise fitment and alignment in your vehicle's driveline system.

Compatible Applications and Use Cases

This drive shaft is specifically compatible with Ford F-350 Super Duty models, ensuring proper fit and function. It is designed for regular grade use and does not include CV joints or axle nuts, so those components must be sourced separately if needed.

• Replacement for worn or damaged drive shafts on Ford F-350 Super Duty
• Addresses driveline vibrations or noise caused by shaft wear
• Restores proper driveline length and alignment
• Supports maintenance of greaseable driveline components
• Improves driveline reliability in regular grade applications

Installation Notes and Tips

When installing the Dorman 946-438 drive shaft, ensure the overall length is properly adjusted to match your vehicle’s specifications. Grease the slip yoke and other greaseable components before installation to promote smooth operation. Verify that the shaft diameter and wall thickness are compatible with your existing driveline setup. Since CV joints and axle nuts are not included, confirm these parts are in good condition or replaced as necessary during installation.

Quality Assurance and Warranty

Dorman manufactures this drive shaft to meet industry standards for durability and performance. While specific warranty details are not provided, Dorman products typically undergo quality checks to ensure reliable operation in compatible vehicles such as the Ford F-350 Super Duty. For warranty information, refer to Dorman’s official documentation or contact the manufacturer directly.