Dorman 425-339 Steering Shaft - Lower or Lower Intermediate

Reliable Steering Shaft for Ford Econoline Models

The Dorman 425-339 steering shaft is engineered to provide dependable steering performance for select Ford Econoline vehicles. Designed with durable steel construction and precise specifications, this steering shaft ensures a secure connection within the steering system of your Ford E-150, E-250, and E-350 Econoline vans.

• Constructed from high-strength steel for durability
• 0.78-inch diameter with 20 splines for accurate fitment
• 25-inch length designed for specific Ford Econoline models
• Includes two universal joints for smooth steering articulation
• Comes with one steering shaft and one protective boot
• Black finish for corrosion resistance
• Internal spline and internal profile on end 1 for secure connection

Detailed Product Description

The Dorman 425-339 steering shaft is a critical component in the steering gear assembly, designed specifically for Ford E-150 Econoline, E-150 Econoline Club Wagon, E-250 Econoline, E-350 Econoline, and E-350 Econoline Club Wagon models. Its steel construction provides the necessary strength to withstand the stresses of steering input and road conditions. The shaft measures 25 inches in length and features a 0.78-inch diameter with 20 splines, ensuring precise engagement with the steering gear. The black finish helps resist corrosion, extending the service life of the part. This steering shaft includes two universal joints, which allow for smooth and flexible steering movement, reducing wear on connected components. The package contains one steering shaft and one boot to protect the joint from dirt and debris. Note that mounting hardware and installation instructions are not included.

Common Applications and Issues Addressed

• Replacement for worn or damaged steering shafts in Ford Econoline vans
• Eliminates steering play caused by spline wear or shaft damage
• Resolves binding or stiffness in steering due to faulty universal joints
• Prevents steering shaft vibration and noise
• Restores proper steering alignment and responsiveness

Installation Notes and Tips

• Verify compatibility with your specific Ford Econoline model before installation
• Ensure the steering shaft splines align correctly with the steering gear and column
• Use appropriate tools to avoid damaging the internal spline and profile ends
• Inspect universal joints and boot for proper seating and secure fit
• Professional installation is recommended if unfamiliar with steering system components

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 425-339 steering shaft undergoes rigorous quality checks to ensure durability and reliable performance. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in material and workmanship. Consult product documentation or the manufacturer for exact warranty terms.