Dorman 43-678 Suspension - Leaf Spring

Out of stock
SKU: 591|43678
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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 $250.36
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|43678
  • 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
1997 Ford F-250 HD 4WD Front 1.9375 In. Pack Thickness; Full Taper; High Arch; 2 Leaf / 1 Pad; 3,486 Lb. Average Capacity; 2.9375 In. Free Arch
1997 Ford F-350 4WD Front w/Independent Front Suspension; 1.9375 In. Pack Thickness; Full Taper; High Arch; 2 Leaf / 1 Pad; 3,486 Lb. Average Capacity; 2.9375 In. Free Arch
1996 Ford F-250 4WD Front 1.9375 In. Pack Thickness; Full Taper; High Arch; 2 Leaf / 1 Pad; 3,486 Lb. Average Capacity; 2.9375 In. Free Arch
1996 Ford F-350 4WD Front w/Independent Front Suspension; 1.9375 In. Pack Thickness; Full Taper; High Arch; 2 Leaf / 1 Pad; 3,486 Lb. Average Capacity; 2.9375 In. Free Arch
1995 Ford F-250 4WD Front 1.9375 In. Pack Thickness; Full Taper; High Arch; 2 Leaf / 1 Pad; 3,486 Lb. Average Capacity; 2.9375 In. Free Arch
1995 Ford F-350 4WD Front w/Independent Front Suspension; 1.9375 In. Pack Thickness; Full Taper; High Arch; 2 Leaf / 1 Pad; 3,486 Lb. Average Capacity; 2.9375 In. Free Arch
1994 Ford F-250 4WD Front 1.9375 In. Pack Thickness; Full Taper; High Arch; 2 Leaf / 1 Pad; 3,486 Lb. Average Capacity; 2.9375 In. Free Arch
1994 Ford F-350 4WD Front w/Independent Front Suspension; 1.9375 In. Pack Thickness; Full Taper; High Arch; 2 Leaf / 1 Pad; 3,486 Lb. Average Capacity; 2.9375 In. Free Arch
1993 Ford F-250 4WD Front 1.9375 In. Pack Thickness; Full Taper; High Arch; 2 Leaf / 1 Pad; 3,486 Lb. Average Capacity; 2.9375 In. Free Arch
1993 Ford F-350 4WD Front w/Independent Front Suspension; 1.9375 In. Pack Thickness; Full Taper; High Arch; 2 Leaf / 1 Pad; 3,486 Lb. Average Capacity; 2.9375 In. Free Arch
1992 Ford F-250 4WD Front 1.9375 In. Pack Thickness; Full Taper; High Arch; 2 Leaf / 1 Pad; 3,486 Lb. Average Capacity; 2.9375 In. Free Arch
1992 Ford F-350 4WD Front w/Independent Front Suspension; 1.9375 In. Pack Thickness; Full Taper; High Arch; 2 Leaf / 1 Pad; 3,486 Lb. Average Capacity; 2.9375 In. Free Arch
1991 Ford F-250 4WD Front 1.9375 In. Pack Thickness; Full Taper; High Arch; 2 Leaf / 1 Pad; 3,486 Lb. Average Capacity; 2.9375 In. Free Arch
1991 Ford F-350 4WD Front w/Independent Front Suspension; 1.9375 In. Pack Thickness; Full Taper; High Arch; 2 Leaf / 1 Pad; 3,486 Lb. Average Capacity; 2.9375 In. Free Arch
1990 Ford F-250 4WD Front 1.9375 In. Pack Thickness; Full Taper; High Arch; 2 Leaf / 1 Pad; 3,486 Lb. Average Capacity; 2.9375 In. Free Arch
1990 Ford F-350 4WD Front w/Independent Front Suspension; 1.9375 In. Pack Thickness; Full Taper; High Arch; 2 Leaf / 1 Pad; 3,486 Lb. Average Capacity; 2.9375 In. Free Arch
1989 Ford F-250 4WD Front 1.9375 In. Pack Thickness; Full Taper; High Arch; 2 Leaf / 1 Pad; 3,486 Lb. Average Capacity; 2.9375 In. Free Arch
1989 Ford F-350 4WD Front w/Independent Front Suspension; 1.9375 In. Pack Thickness; Full Taper; High Arch; 2 Leaf / 1 Pad; 3,486 Lb. Average Capacity; 2.9375 In. Free Arch
1988 Ford F-250 4WD Front 1.9375 In. Pack Thickness; Full Taper; High Arch; 2 Leaf / 1 Pad; 3,486 Lb. Average Capacity; 2.9375 In. Free Arch
1988 Ford F-350 4WD Front w/Independent Front Suspension; 1.9375 In. Pack Thickness; Full Taper; High Arch; 2 Leaf / 1 Pad; 3,486 Lb. Average Capacity; 2.9375 In. Free Arch
1987 Ford F-250 4WD Front 1.9375 In. Pack Thickness; Full Taper; High Arch; 2 Leaf / 1 Pad; 3,486 Lb. Average Capacity; 2.9375 In. Free Arch
1987 Ford F-350 4WD Front w/Independent Front Suspension; 1.9375 In. Pack Thickness; Full Taper; High Arch; 2 Leaf / 1 Pad; 3,486 Lb. Average Capacity; 2.9375 In. Free Arch
1986 Ford F-250 4WD Front 1.9375 In. Pack Thickness; Full Taper; High Arch; 2 Leaf / 1 Pad; 3,486 Lb. Average Capacity; 2.9375 In. Free Arch
1986 Ford F-350 4WD Front w/Independent Front Suspension; 1.9375 In. Pack Thickness; Full Taper; High Arch; 2 Leaf / 1 Pad; 3,486 Lb. Average Capacity; 2.9375 In. Free Arch
1985 Ford F-250 4WD Front 1.9375 In. Pack Thickness; Full Taper; High Arch; 2 Leaf / 1 Pad; 3,486 Lb. Average Capacity; 2.9375 In. Free Arch
1985 Ford F-350 4WD Front w/Independent Front Suspension; 1.9375 In. Pack Thickness; Full Taper; High Arch; 2 Leaf / 1 Pad; 3,486 Lb. Average Capacity; 2.9375 In. Free Arch
1984 Ford F-250 4WD Front 1.9375 In. Pack Thickness; Full Taper; High Arch; 2 Leaf / 1 Pad; 3,486 Lb. Average Capacity; 2.9375 In. Free Arch
1984 Ford F-350 4WD Front 1.9375 In. Pack Thickness; Full Taper; High Arch; 2 Leaf / 1 Pad; 3,486 Lb. Average Capacity; 2.9375 In. Free Arch
1983 Ford F-250 4WD Front 1.9375 In. Pack Thickness; Full Taper; High Arch; 2 Leaf / 1 Pad; 3,486 Lb. Average Capacity; 2.9375 In. Free Arch
1983 Ford F-350 4WD Front 1.9375 In. Pack Thickness; Full Taper; High Arch; 2 Leaf / 1 Pad; 3,486 Lb. Average Capacity; 2.9375 In. Free Arch
1982 Ford F-250 4WD Front 1.9375 In. Pack Thickness; Full Taper; High Arch; 2 Leaf / 1 Pad; 3,486 Lb. Average Capacity; 2.9375 In. Free Arch
1982 Ford F-350 4WD Front 1.9375 In. Pack Thickness; Full Taper; High Arch; 2 Leaf / 1 Pad; 3,486 Lb. Average Capacity; 2.9375 In. Free Arch
1981 Ford F-250 4WD Front 1.9375 In. Pack Thickness; Full Taper; High Arch; 2 Leaf / 1 Pad; 3,486 Lb. Average Capacity; 2.9375 In. Free Arch
1981 Ford F-350 4WD Front 1.9375 In. Pack Thickness; Full Taper; High Arch; 2 Leaf / 1 Pad; 3,486 Lb. Average Capacity; 2.9375 In. Free Arch
1980 Ford F-250 4WD Front 1.9375 In. Pack Thickness; Full Taper; High Arch; 2 Leaf / 1 Pad; 3,486 Lb. Average Capacity; 2.9375 In. Free Arch
1980 Ford F-350 4WD Front 1.9375 In. Pack Thickness; Full Taper; High Arch; 2 Leaf / 1 Pad; 3,486 Lb. Average Capacity; 2.9375 In. Free Arch

Product Specifications

Axle Modification Needed: No
Axle Orientation: Front
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: 2
Leaf Spring Arch Length: 2.938 in
Leaf Width: 3 in
Length Axis 1: 23.875 in
Length Axis 2: 28.375 in
Length B: 28.375 in
Load Rate: 3486 lb
Material: Steel
Mounting Hardware Included: No
Pack Thickness: 1.939 in
Package Contents: 1 Leaf Spring
Package Quantity: 1
Packaging Type: Box
Spring Arch Length: 2.938 in
Spring Research Institute Number: 43-678
Suspension Grade Type: Standard

OE Numbers

DIRECT OE CROSS
F5TA5310ACA FORD MOTOR COMPANY
F5TZ5310B FORD MOTOR COMPANY