Dorman 43-1289XHD Leaf Spring Assembly - Rear

Durable Heavy Duty Leaf Spring Assembly for Rear Suspension

The Dorman 43-1289XHD leaf spring assembly is engineered for vehicles requiring a robust rear suspension upgrade. Constructed from high-quality steel with a black finish, this heavy duty leaf spring assembly is designed to support substantial loads while maintaining suspension integrity.

• Heavy duty suspension grade with a 10,500 lb load rate
• Constructed from durable steel material with corrosion-resistant black coating
• Includes black bushings for enhanced durability and noise reduction
• Consists of 10 leaves with a 3-inch leaf width for optimal strength
• Rear axle orientation designed for direct replacement without axle modification
• Leaf spring arch length of 5.125 inches and pack thickness of 3 inches
• Bushings included for immediate installation readiness

Detailed Description of Dorman 43-1289XHD Leaf Spring Assembly

This Dorman leaf spring assembly (part number 43-1289XHD) is manufactured from high-grade steel, ensuring long-lasting performance under heavy loads. The black finish provides corrosion resistance, extending the lifespan of the suspension component. Featuring 10 leaves each 3 inches wide, this assembly offers a load rate of 10,500 pounds, making it suitable for heavy duty applications. The included black bushings help reduce noise and vibration, contributing to a smoother ride. Designed specifically for rear axle orientation, this leaf spring assembly installs without requiring axle modifications, simplifying the replacement process.

Common Applications and Problem Solving

• Restores sagging or worn rear suspension in trucks and heavy-duty vehicles
• Addresses uneven ride height caused by fatigued leaf springs
• Improves load carrying capacity for vehicles used in towing or hauling
• Eliminates excessive suspension noise and vibration due to worn bushings
• Replaces damaged or cracked leaf springs to maintain vehicle stability

Installation Notes and Tips

Installation of the Dorman 43-1289XHD leaf spring assembly requires standard suspension tools and mechanical knowledge. Since mounting hardware is not included, ensure you have the appropriate bolts and fasteners before beginning installation. No axle modification is necessary, which allows for a straightforward swap on compatible rear axle setups. It is recommended to inspect related suspension components during installation to ensure overall system integrity.

Quality Assurance and Warranty Information

Dorman manufactures this leaf spring assembly to meet or exceed OEM specifications for durability and performance. The steel construction and protective black coating contribute to corrosion resistance and long service life. While specific warranty details are not provided, Dorman products typically come with a limited warranty covering defects in materials and workmanship. Verify warranty terms with the product documentation or supplier.