HomeDorman 42-409 Leaf Spring Assembly - Rear
Part #: 42-409

Dorman 42-409 Leaf Spring Assembly - Rear

Rear
12 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Ford, Bronco
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Durable Leaf Spring Assembly for Ford Bronco Rear Suspension

The Dorman 42-409 leaf spring assembly is engineered to provide reliable rear suspension support for Ford Bronco models. Constructed from high-quality steel with a black finish, this replacement leaf spring is designed to restore your vehicle's ride height and handling performance.

  • Made from durable steel material with a corrosion-resistant black coating
  • Includes black bushings for smooth suspension articulation
  • Standard replacement grade suitable for everyday driving conditions
  • Single leaf design with a 2.25-inch width and 6.625-inch arch length
  • Load rate of 1280 lbs to support rear axle weight without modification
  • Compatible with rear axle orientation on Ford Bronco vehicles
  • Bushings included for direct fitment; mounting hardware not included

Product Details and Specifications

The Dorman 42-409 leaf spring assembly is crafted from robust steel to ensure long-lasting durability and consistent performance. Its black finish helps resist corrosion and wear over time. This assembly features a single leaf with a 2.25-inch width and an arch length of 6.625 inches, designed specifically for the rear suspension of Ford Bronco models. The load rate of 1280 pounds supports the vehicle’s rear axle without requiring any axle modifications. Black bushings are included to reduce friction and provide smooth suspension movement, enhancing ride quality. This leaf spring assembly is a standard replacement part, ideal for restoring factory suspension characteristics.

Common Applications and Problem Resolution

  • Restores proper ride height and suspension geometry on Ford Bronco rear axle
  • Replaces worn or broken leaf springs causing sagging or uneven stance
  • Improves load carrying capacity and vehicle stability under normal driving conditions
  • Eliminates excessive suspension noise and harshness due to damaged springs
  • Addresses suspension issues without requiring axle modifications

Installation Notes and Tips

Installation of the Dorman 42-409 leaf spring assembly requires standard suspension tools and mechanical knowledge. Since mounting hardware is not included, reuse existing hardware if in good condition or purchase new hardware separately. Ensure the vehicle is properly supported and the rear axle is securely positioned before removing the old leaf spring. Verify bushing alignment during installation to prevent premature wear. This part is designed for direct replacement on Ford Bronco rear suspension setups without axle modifications.

Quality Assurance and Warranty

Dorman manufactures this leaf spring assembly to meet or exceed OEM standards for fit, form, and function. The steel construction and corrosion-resistant coating contribute to its durability and service life. Bushings included are designed to provide reliable suspension articulation. While specific warranty details are not provided, Dorman products typically come with a limited warranty against defects in materials and workmanship. Refer to Dorman’s official documentation for complete warranty information.

BrandDorman
Part Number42-409
MaterialAcero
MaterialSteel
Bushing ColorBlack
Bushing ColorNegro
Bushing ColorNoir
ColorBlack
ColorNegro
ColorNoir
Load Rate1280
Suspension Grade TypeReemplazo estándar
Suspension Grade TypeStandard
Leaf Quantity1
Leaf Quantity1 ensamble de manguera del calentador
Leaf Width2.25
Axle OrientationArrière
Axle OrientationRear
Axle OrientationTrasero
Helper SpringNo
Helper SpringNon
Axle Modification NeededNo
Axle Modification NeededNon
Bushings IncludedOui
Bushings Included
Bushings IncludedYes
Mounting Hardware IncludedNo
Mounting Hardware IncludedNon
Length Axis 124
Length Axis 224
Pack Thickness1.184
Leaf Spring Arch Length6.625

This part fits 12 vehicles. Search below:

YearMakeModelPositionNotes
1977FordBroncoRear5 Leaf / 1 Leaf = 6 Leaf Spring; 1.8125 In. Pack Thickness; 1,280 Lb. Average Capacity
1976FordBroncoRear5 Leaf / 1 Leaf = 6 Leaf Spring; 1.8125 In. Pack Thickness; 1,280 Lb. Average Capacity
1975FordBroncoRear5 Leaf / 1 Leaf = 6 Leaf Spring; 1.8125 In. Pack Thickness; 1,280 Lb. Average Capacity
1974FordBroncoRear5 Leaf / 1 Leaf = 6 Leaf Spring; 1.8125 In. Pack Thickness; 1,280 Lb. Average Capacity
1973FordBroncoRear5 Leaf / 1 Leaf = 6 Leaf Spring; 1.8125 In. Pack Thickness; 1,280 Lb. Average Capacity
1972FordBroncoRear5 Leaf / 1 Leaf = 6 Leaf Spring; 1.8125 In. Pack Thickness; 1,280 Lb. Average Capacity
1971FordBroncoRear5 Leaf / 1 Leaf = 6 Leaf Spring; 1.8125 In. Pack Thickness; 1,280 Lb. Average Capacity
1970FordBroncoRear5 Leaf / 1 Leaf = 6 Leaf Spring; 1.8125 In. Pack Thickness; 1,280 Lb. Average Capacity
1969FordBroncoRear5 Leaf / 1 Leaf = 6 Leaf Spring; 1.8125 In. Pack Thickness; 1,280 Lb. Average Capacity
1968FordBroncoRear5 Leaf / 1 Leaf = 6 Leaf Spring; 1.8125 In. Pack Thickness; 1,280 Lb. Average Capacity
1967FordBroncoRear5 Leaf / 1 Leaf = 6 Leaf Spring; 1.8125 In. Pack Thickness; 1,280 Lb. Average Capacity
1966FordBroncoRear5 Leaf / 1 Leaf = 6 Leaf Spring; 1.8125 In. Pack Thickness; 1,280 Lb. Average Capacity

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

042-0409-0020240C6TA5560AAC6TZ5560YD0TA5560BD0TZ5560B

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.