Dorman 43-1823 Suspension - Leaf Spring

In stock
SKU: 591|431823
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Why buy from Koskowski Automotive?
• 50+ years (since 1972) • Dorman Authorized Seller • Fast shipping • Easy returns
Regular price $493.15
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|431823
  • 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
2016 Ford F-450 Super Duty Cab and Chassis - Conventional Rear 5.3125 In. Pack Thickness; 9 Leaf / 2 Pads; 6,100 Lb. Average Capacity; Capacity Upgrade Option; 4.125 In. Free Arch
2016 Ford F-450 Super Duty Cab and Chassis - Crew Cab Rear 5.3125 In. Pack Thickness; 9 Leaf / 2 Pads; 6,100 Lb. Average Capacity; Capacity Upgrade Option; 4.125 In. Free Arch
2016 Ford F-450 Super Duty Cab and Chassis - Extended Cab Rear 5.3125 In. Pack Thickness; 9 Leaf / 2 Pads; 6,100 Lb. Average Capacity; Capacity Upgrade Option; 4.125 In. Free Arch
2016 Ford F-550 Super Duty Rear 5.3125 In. Pack Thickness; 9 Leaf / 2 Pads; 6,100 Lb. Average Capacity; 4.125 In. Free Arch
2015 Ford F-450 Super Duty Cab and Chassis - Conventional Rear 5.3125 In. Pack Thickness; 9 Leaf / 2 Pads; 6,100 Lb. Average Capacity; Capacity Upgrade Option; 4.125 In. Free Arch
2015 Ford F-450 Super Duty Cab and Chassis - Crew Cab Rear 5.3125 In. Pack Thickness; 9 Leaf / 2 Pads; 6,100 Lb. Average Capacity; Capacity Upgrade Option; 4.125 In. Free Arch
2015 Ford F-450 Super Duty Cab and Chassis - Extended Cab Rear 5.3125 In. Pack Thickness; 9 Leaf / 2 Pads; 6,100 Lb. Average Capacity; Capacity Upgrade Option; 4.125 In. Free Arch
2015 Ford F-550 Super Duty Rear 5.3125 In. Pack Thickness; 9 Leaf / 2 Pads; 6,100 Lb. Average Capacity; 4.125 In. Free Arch
2014 Ford F-450 Super Duty Cab and Chassis - Conventional Rear 5.3125 In. Pack Thickness; 9 Leaf / 2 Pads; 6,100 Lb. Average Capacity; Capacity Upgrade Option; 4.125 In. Free Arch
2014 Ford F-450 Super Duty Cab and Chassis - Crew Cab Rear 5.3125 In. Pack Thickness; 9 Leaf / 2 Pads; 6,100 Lb. Average Capacity; Capacity Upgrade Option; 4.125 In. Free Arch
2014 Ford F-450 Super Duty Cab and Chassis - Extended Cab Rear 5.3125 In. Pack Thickness; 9 Leaf / 2 Pads; 6,100 Lb. Average Capacity; Capacity Upgrade Option; 4.125 In. Free Arch
2014 Ford F-550 Super Duty Rear 5.3125 In. Pack Thickness; 9 Leaf / 2 Pads; 6,100 Lb. Average Capacity; 4.125 In. Free Arch
2013 Ford F-450 Super Duty Cab and Chassis - Conventional Rear 5.3125 In. Pack Thickness; 9 Leaf / 2 Pads; 6,100 Lb. Average Capacity; Capacity Upgrade Option; 4.125 In. Free Arch
2013 Ford F-450 Super Duty Cab and Chassis - Crew Cab Rear 5.3125 In. Pack Thickness; 9 Leaf / 2 Pads; 6,100 Lb. Average Capacity; Capacity Upgrade Option; 4.125 In. Free Arch
2013 Ford F-450 Super Duty Cab and Chassis - Extended Cab Rear 5.3125 In. Pack Thickness; 9 Leaf / 2 Pads; 6,100 Lb. Average Capacity; Capacity Upgrade Option; 4.125 In. Free Arch
2013 Ford F-550 Super Duty Rear 5.3125 In. Pack Thickness; 9 Leaf / 2 Pads; 6,100 Lb. Average Capacity; 4.125 In. Free Arch
2012 Ford F-450 Super Duty Cab and Chassis - Conventional Rear 5.3125 In. Pack Thickness; 9 Leaf / 2 Pads; 6,100 Lb. Average Capacity; Capacity Upgrade Option; 4.125 In. Free Arch
2012 Ford F-450 Super Duty Cab and Chassis - Crew Cab Rear 5.3125 In. Pack Thickness; 9 Leaf / 2 Pads; 6,100 Lb. Average Capacity; Capacity Upgrade Option; 4.125 In. Free Arch
2012 Ford F-450 Super Duty Cab and Chassis - Extended Cab Rear 5.3125 In. Pack Thickness; 9 Leaf / 2 Pads; 6,100 Lb. Average Capacity; Capacity Upgrade Option; 4.125 In. Free Arch
2012 Ford F-550 Super Duty Rear 5.3125 In. Pack Thickness; 9 Leaf / 2 Pads; 6,100 Lb. Average Capacity; 4.125 In. Free Arch
2011 Ford F-450 Super Duty Cab and Chassis - Conventional Rear 5.3125 In. Pack Thickness; 9 Leaf / 2 Pads; 6,100 Lb. Average Capacity; Capacity Upgrade Option; 4.125 In. Free Arch
2011 Ford F-450 Super Duty Cab and Chassis - Crew Cab Rear 5.3125 In. Pack Thickness; 9 Leaf / 2 Pads; 6,100 Lb. Average Capacity; Capacity Upgrade Option; 4.125 In. Free Arch
2011 Ford F-450 Super Duty Cab and Chassis - Extended Cab Rear 5.3125 In. Pack Thickness; 9 Leaf / 2 Pads; 6,100 Lb. Average Capacity; Capacity Upgrade Option; 4.125 In. Free Arch
2011 Ford F-550 Super Duty Rear 5.3125 In. Pack Thickness; 9 Leaf / 2 Pads; 6,100 Lb. Average Capacity; 4.125 In. Free Arch
2010 Ford F-450 Super Duty Cab and Chassis - Conventional Rear 5.3125 In. Pack Thickness; 9 Leaf / 2 Pads; 6,100 Lb. Average Capacity; Capacity Upgrade Option; 4.125 In. Free Arch
2010 Ford F-450 Super Duty Cab and Chassis - Crew Cab Rear 5.3125 In. Pack Thickness; 9 Leaf / 2 Pads; 6,100 Lb. Average Capacity; Capacity Upgrade Option; 4.125 In. Free Arch
2010 Ford F-450 Super Duty Cab and Chassis - Extended Cab Rear 5.3125 In. Pack Thickness; 9 Leaf / 2 Pads; 6,100 Lb. Average Capacity; Capacity Upgrade Option; 4.125 In. Free Arch
2010 Ford F-550 Super Duty Rear 5.3125 In. Pack Thickness; 9 Leaf / 2 Pads; 6,100 Lb. Average Capacity; 4.125 In. Free Arch
2009 Ford F-450 Super Duty Cab and Chassis - Conventional Rear 5.3125 In. Pack Thickness; 9 Leaf / 2 Pads; 6,100 Lb. Average Capacity; Capacity Upgrade Option; 4.125 In. Free Arch
2009 Ford F-450 Super Duty Cab and Chassis - Crew Cab Rear 5.3125 In. Pack Thickness; 9 Leaf / 2 Pads; 6,100 Lb. Average Capacity; Capacity Upgrade Option; 4.125 In. Free Arch
2009 Ford F-450 Super Duty Cab and Chassis - Extended Cab Rear 5.3125 In. Pack Thickness; 9 Leaf / 2 Pads; 6,100 Lb. Average Capacity; Capacity Upgrade Option; 4.125 In. Free Arch
2009 Ford F-550 Super Duty Rear 5.3125 In. Pack Thickness; 9 Leaf / 2 Pads; 6,100 Lb. Average Capacity; 4.125 In. Free Arch
2008 Ford F-450 Super Duty Cab and Chassis - Conventional Rear 5.3125 In. Pack Thickness; 9 Leaf / 2 Pads; 6,100 Lb. Average Capacity; Capacity Upgrade Option; 4.125 In. Free Arch
2008 Ford F-450 Super Duty Cab and Chassis - Crew Cab Rear 5.3125 In. Pack Thickness; 9 Leaf / 2 Pads; 6,100 Lb. Average Capacity; Capacity Upgrade Option; 4.125 In. Free Arch
2008 Ford F-450 Super Duty Cab and Chassis - Extended Cab Rear 5.3125 In. Pack Thickness; 9 Leaf / 2 Pads; 6,100 Lb. Average Capacity; Capacity Upgrade Option; 4.125 In. Free Arch
2008 Ford F-550 Super Duty Rear 5.3125 In. Pack Thickness; 9 Leaf / 2 Pads; 6,100 Lb. Average Capacity; 4.125 In. Free Arch

Product Specifications

Axle Modification Needed: No
Axle Orientation: Rear
Bushing Color: Black
Bushings Included: Yes
Color: Black
End 1 Attachment Type: Up Turned Eye
End 2 Attachment Type: Up Turned Eye
Helper Spring: No
Leaf Quantity: 9
Leaf Spring Arch Length: 4.125 in
Leaf Width: 3 in
Length Axis 1: 25 in
Length Axis 2: 30.75 in
Length B: 30.75 in
Load Rate: 6100 lb
Material: Steel
Mounting Hardware Included: No
Pack Thickness: 5.3125 in
Package Contents: 1 Leaf Spring
Package Quantity: 1
Packaging Type: Box
Spring Arch Length: 4.75 in
Spring Research Institute Number: 43-1823
Suspension Grade Type: Standard

OE Numbers

DIRECT OE CROSS
9C345A975EC FORD MOTOR COMPANY
9C3Z5560EA FORD MOTOR COMPANY