Dorman 43-781 Leaf Spring Assembly - Rear

Durable Leaf Spring Assembly for Ford and Mazda Trucks

The Dorman 43-781 leaf spring assembly is engineered to restore suspension performance on select Ford and Mazda truck models. Designed with high-quality steel and black bushings, this rear leaf spring assembly offers reliable support and consistent load handling for your vehicle.

• Constructed from durable steel material for long-lasting strength
• Includes black bushings to reduce noise and vibration
• Standard replacement suspension grade for dependable performance
• Four-leaf pack with 2.5-inch leaf width and 6-inch arch length
• Load rate of 1250 lbs suitable for rear axle applications
• No axle modification or helper spring required
• Compatible with Ford Ranger, B2300, B2500, B3000, and B4000 models

Detailed Product Description

The Dorman 43-781 leaf spring assembly is designed as a direct replacement for the rear suspension on various Ford and Mazda trucks, including the Ranger and B-series models. Made from robust steel, this assembly features a four-leaf configuration with a 2.5-inch leaf width and a 6-inch arch length, providing balanced support and ride stability. The black bushings included help minimize suspension noise and wear, ensuring smoother operation. With a load rate of 1250 pounds, this leaf spring assembly is engineered to handle typical rear axle loads without requiring any axle modifications or additional helper springs.

Common Applications and Problem Solving

• Restores sagging or worn rear suspension on Ford Ranger and Mazda B-series trucks
• Eliminates excessive rear-end bounce and improves load carrying capacity
• Replaces broken or cracked leaf springs to maintain vehicle stability
• Addresses uneven ride height and suspension noise issues
• Supports safe towing and hauling by restoring proper spring tension

Installation Notes and Tips

This leaf spring assembly is designed for rear axle installation and does not require axle modifications or additional helper springs. Ensure the vehicle is properly supported and the suspension is unloaded before removal of the old leaf spring. Verify that the included black bushings are correctly seated to prevent premature wear. Since mounting hardware is not included, reuse existing hardware if in good condition or source appropriate replacements to ensure secure installation.

Quality Assurance and Warranty

Dorman manufactures the 43-781 leaf spring assembly to meet standard suspension replacement specifications, ensuring reliable performance and durability. The steel construction and quality bushings contribute to long service life under normal operating conditions. Warranty coverage details should be confirmed with the product documentation or supplier.