Dorman 43-1389 Leaf Spring Assembly - Rear

Durable Leaf Spring Assembly for Ford Explorer Sport Trac

The Dorman 43-1389 leaf spring assembly is engineered to restore the rear suspension performance of your Ford Explorer Sport Trac. Constructed from high-quality steel with black bushings, this replacement part offers reliable support and consistent load handling for your vehicle.

• Made from durable steel material for long-lasting strength
• Includes black bushings for smooth suspension operation
• Standard replacement grade designed for rear axle suspension
• Consists of 4 leaves with a 2.5-inch width and 8-inch arch length
• Load rate of 1200 lbs suitable for typical driving conditions
• No axle modification or helper spring required for installation
• Pack thickness measures 1.913 inches, length axis 25.75 inches

Technical Details and Specifications

The Dorman 43-1389 leaf spring assembly is specifically designed for the rear axle of the Ford Explorer Sport Trac. Featuring a four-leaf configuration, each leaf is 2.5 inches wide, providing balanced support and stability. The assembly is constructed from steel, ensuring durability under load and resistance to wear. Black bushings are included to reduce friction and noise, enhancing ride quality. With a load rate of 1200 pounds, this standard replacement spring meets the suspension requirements without the need for axle modifications or additional helper springs.

Common Applications and Problem Solving

• Restores sagging or worn rear suspension on Ford Explorer Sport Trac
• Replaces broken or cracked leaf springs to improve vehicle handling
• Addresses uneven ride height or poor load support issues
• Eliminates excessive rear-end bounce or instability
• Suitable for standard replacement without requiring axle changes

Installation Notes and Tips

Installation of the Dorman 43-1389 leaf spring assembly is straightforward for experienced technicians. No axle modification is necessary, and the assembly fits directly onto the rear axle of the Ford Explorer Sport Trac. While mounting hardware is not included, ensure all bolts and fasteners are inspected and replaced if worn. Proper torque specifications should be followed to maintain suspension integrity and safety.

Quality Assurance and Warranty

Dorman manufactures the 43-1389 leaf spring assembly to meet or exceed OEM standards for material and performance. The steel construction and included bushings are designed for durability and consistent operation. While specific warranty details are not provided, Dorman products typically come with a limited warranty covering defects in materials and workmanship.