Dorman 43-1683 Suspension - Leaf Spring

Out of stock
SKU: 591|431683
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Not sure it fits? Message Year/Make/Model/Engine (2WD/4WD if applicable) and we’ll help confirm compatibility.
Why buy from Koskowski Automotive?
• 50+ years (since 1972) • Dorman Authorized Seller • Fast shipping • Easy returns
Regular price $550.46
Vehicle Fitment: Use the table below to match your exact configuration. If you don’t see your exact setup, message us before ordering.

Product details

  • SKU 591|431683
  • Barcode #N/A

Product Description

Properly functioning leaf springs hold the weight and payload of a vehicle or trailer and are essential to suspension performance and passenger comfort. Check the product attributes to select the right leaf spring for your application.

  • Direct replacement - these leaf springs are designed to match the fit and function of the original leaf springs on specific vehicles or trailers
  • Ideal solution - seamlessly replaces leaf springs damaged by overloading, collision, cracking or corrosion, or are due for replacement
  • Durable construction - made from quality materials to strict specifications to ensure reliable performance and long service life
  • Trustworthy quality - engineered, manufactured and supported by the premier aftermarket leaf spring provider in the USA

Detailed Applications

Year Make Model Configuration Positions Application Notes
2008 Ford F-250 Super Duty Rear 5 Leaf; Includes Helper Springs; 3,150 Lb. Average Capacity; 4.627 In. Pack Thickness
2008 Ford F-350 Super Duty Crew Cab Pickup Rear w/Single Rear Wheel (SRW); 5 Leaf; w/Helper Springs; Includes Helper Springs; 3,150 Lb. Average Capacity; 4.627 In. Pack Thickness
2008 Ford F-350 Super Duty Extended Cab Pickup Rear w/Single Rear Wheel (SRW); 5 Leaf; w/Helper Springs; Includes Helper Springs; 3,150 Lb. Average Capacity; 4.627 In. Pack Thickness
2008 Ford F-350 Super Duty Standard Cab Pickup Rear w/Single Rear Wheel (SRW); 5 Leaf; w/Helper Springs; Includes Helper Springs; 3,150 Lb. Average Capacity; 4.627 In. Pack Thickness

Product Specifications

Axle Modification Needed: No
Axle Orientation: Rear
Bushing Color: Black
Bushings Included: Yes
Color: Black
End 1 Attachment Type: Berlin Eye
End 2 Attachment Type: Berlin Eye
Helper Spring: No
Leaf Quantity: 6
Leaf Spring Arch Length: 3 in
Leaf Width: 3 in
Length Axis 1: 33.188 in
Length Axis 2: 33.188 in
Length B: 33.188 in
Load Rate: 3750 lb
Material: Steel
Mounting Hardware Included: No
Pack Thickness: 4.5 in
Package Contents: 1 Leaf Spring
Package Quantity: 1
Packaging Type: Box
Spring Arch Length: 6 in
Spring Research Institute Number: 43-1683
Suspension Grade Type: Standard

OE Numbers

DIRECT OE CROSS
7C345560LB FORD MOTOR COMPANY
7C345560LC FORD MOTOR COMPANY
7C345A975C FORD MOTOR COMPANY
7C345A975LB FORD MOTOR COMPANY
7C345A975LC FORD MOTOR COMPANY
7C34C FORD MOTOR COMPANY
7C34LB FORD MOTOR COMPANY
7C34LC FORD MOTOR COMPANY
7C3Z5560CB FORD MOTOR COMPANY
7C3Z5560L FORD MOTOR COMPANY