Ford F-250, F-350, F-450 Rear Leaf Spring | 3 Leaves | 2,700 lbs. Capacity

SKU 43-1855

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$253.05
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Product Specifications

  • Length (A): 33-3/16 Inches
  • Length (B):33-3/16 Inches
  • Width:3 Inches
  • Location:Rear
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  • 2 In Stock
  • In Stock Orders received before 1pm EST Monday - Friday are shipped same day!

Product Specs for Leaf Springs 43-1855

  • Length (A): 33-3/16 Inches
  • Length (B):33-3/16 Inches
  • Width:3 Inches
  • Location:Rear
  • Number of Leaves:3
  • SRI Number:43-1855
  • OEM Number:BC3Z5560E, BC345A975LE
  • Arc (C):6-7/8 Inches
  • Pack Thickness (D):2-1/8 Inches
  • Capacity:2,700 lbs.
  • Front Bushing:Included / RB-310
  • Rear Bushing:Included / RB-309
  • Spring Construction:1st stage 1/499 1/527 2nd stage 1/812
  • Note:Leaf springs are sold individually but it is recommend to change in pairs.
  • MPN: 43-1855
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Leaf Springs 43-1855 Details

Leaf Springs Important Role

Your leaf springs are one of the most important parts of your trucks suspension. If your leaf springs are shot or showing fatigue from old age, it is recommended to change them both out at the same time. If you only change one leaf spring, it is common that your truck will lean toward the side with the older leaf spring. If you purchase one leaf spring and decided to replace the other one at a later date, you may receive a spring from another manufacturer as we source our springs from multiple manufacturers. It is recommend to replace them in pairs to guarantee a match.

Replacing your leaf springs with a high quality OEM leaf spring from Michigan Truck Spring will help improve your ride in the following ways:

  • Less bounce, which means more solid contact with the road and therefore longer tire life.
  • Driver comfort is greatly improved.
  • Your payload sits tight, significantly reducing cargo damage.
  • Smoother ride and less bottoming out.
  • Safety! Your truck will handle better which means it's safer.

All the leaf springs at TruckSpring.com are made to or exceed OEM quality:

  • Made from SAE 5160 Steel, Same as OEM leaf springs.
  • All raw steel is manufactured by steel mills that use the continuous cast (Stran-cast) process, same as OEM leaf springs.
  • Each leaf from the leaf springs is shot peened to specific intensity and coverage.
  • Each leaf spring is coated to prevent corrosion and rust.

If you have any questions about how to identify the correct leaf spring for your vehicle or need bolts or other replacement parts, call us at 1-800-358-4751.

Vehicle Application Guide for Leaf Springs 43-1855

The 43-1855 Ford F-250, F-350, F-450 Rear Leaf Spring | 3 Leaves | 2,700 lbs. Capacity is engineered to work with specific vehicles displayed below. Can't find your vehicle, or need assistance, please give us a call at 1-800-358-4751 or 1-989-755-0561. Browse the category Ford Leaf Springs - Auto, Truck, RV , to view all vehicle makes and models.

YearMakeModelVehicle OptionInstallation Notes
2008 Ford F-250 Super DutyFits 2 Wheel Drive; Fits 4 Wheel DriveFits models with helper spring. 2008-16 springs use a 20mm front bolt. The 2008 model year began on 12-18-2006.
2009 Ford F-250 Super DutyFits 2 Wheel Drive; Fits 4 Wheel DriveFits models with helper spring. 2008-16 springs use a 20mm front bolt.
2010 Ford F-250 Super DutyFits 2 Wheel Drive; Fits 4 Wheel DriveFits models with helper spring. 2008-16 springs use a 20mm front bolt.
2011 Ford F-250 Super DutyFits 2 Wheel Drive; Fits 4 Wheel DriveFits models with helper spring. 2008-16 springs use a 20mm front bolt.
2012 Ford F-250 Super DutyFits 2 Wheel Drive; Fits 4 Wheel DriveFits models with helper spring. 2008-16 springs use a 20mm front bolt.
2013 Ford F-250 Super DutyFits 2 Wheel Drive; Fits 4 Wheel DriveFits models with helper spring. 2008-16 springs use a 20mm front bolt.
2014 Ford F-250 Super DutyFits 2 Wheel Drive; Fits 4 Wheel DriveFits models with helper spring. 2008-16 springs use a 20mm front bolt.
2015 Ford F-250 Super DutyFits 2 Wheel Drive; Fits 4 Wheel DriveFits models with helper spring. 2008-16 springs use a 20mm front bolt. During 2015, roll pins were added to 43-1855 for second stage alignment. The roll pin is pressed into the last 2 leaves only and is offset 40mm (1.57") from the center bolt.
2016 Ford F-250 Super DutyFits 2 Wheel Drive; Fits 4 Wheel DriveFits models with helper spring. 2008-16 springs use a 20mm front bolt.
2016 Ford F-350 Super DutyFits 2 Wheel Drive; Fits 4 Wheel DriveFits F-350 with helper except with dual rear wheels, two stage. 2008-16 springs use a 20mm front bolt.
2015 Ford F-350 Super DutyFits 2 Wheel Drive; Fits 4 Wheel DriveFits F-350 with helper except with dual rear wheels, two stage. 2008-16 springs use a 20mm front bolt. Roll pin was added to 43-1855 for second stage alignment in 2015. The roll pin is pressed into the last 2 leaves only and is offset 40mm (1.57") from the center bolt.
2014 Ford F-350 Super DutyFits 2 Wheel Drive; Fits 4 Wheel DriveFits F-350 with helper except with dual rear wheels, two stage. 2008-16 springs use a 20mm front bolt.
2013 Ford F-350 Super DutyFits 2 Wheel Drive; Fits 4 Wheel DriveFits F-350 with helper except with dual rear wheels, two stage. 2008-16 springs use a 20mm front bolt.
2012 Ford F-350 Super DutyFits 2 Wheel Drive; Fits 4 Wheel DriveFits F-350 with helper except with dual rear wheels, two stage. 2008-16 springs use a 20mm front bolt.
2011 Ford F-350 Super DutyFits 2 Wheel Drive; Fits 4 Wheel DriveFits F-350 with helper except with dual rear wheels, two stage. 2008-16 springs use a 20mm front bolt.
2010 Ford F-350 Super DutyFits 2 Wheel Drive; Fits 4 Wheel DriveFits F-350 with helper except with dual rear wheels, two stage. 2008-16 springs use a 20mm front bolt.
2009 Ford F-350 Super DutyFits 2 Wheel Drive; Fits 4 Wheel DriveFits F-350 with helper except with dual rear wheels, two stage. 2008-16 springs use a 20mm front bolt.
2008 Ford F-350 Super DutyFits 2 Wheel Drive; Fits 4 Wheel DriveFits F-350 with helper except with dual rear wheels, two stage. 2008-16 springs use a 20mm front bolt.
2008 Ford F-450 Super DutyFits 2 Wheel Drive; Fits 4 Wheel Drive2008-2016 springs use a 20mm front bolt.
2009 Ford F-450 Super DutyFits 2 Wheel Drive; Fits 4 Wheel Drive2008-2016 springs use a 20mm front bolt.
2010 Ford F-450 Super DutyFits 2 Wheel Drive; Fits 4 Wheel Drive2008-2016 springs use a 20mm front bolt.
2011 Ford F-450 Super DutyFits 2 Wheel Drive; Fits 4 Wheel Drive2008-2016 springs use a 20mm front bolt.
2012 Ford F-450 Super DutyFits 2 Wheel Drive; Fits 4 Wheel Drive2008-2016 springs use a 20mm front bolt.
2013 Ford F-450 Super DutyFits 2 Wheel Drive; Fits 4 Wheel Drive2008-2016 springs use a 20mm front bolt.
2014 Ford F-450 Super DutyFits 2 Wheel Drive; Fits 4 Wheel Drive2008-2016 springs use a 20mm front bolt.
2015 Ford F-450 Super DutyFits 2 Wheel Drive; Fits 4 Wheel Drive2008-2016 springs use a 20mm front bolt. During 2015, roll pins were added to 43-1855 for second stage alignment. The roll pin is pressed into the last 2 leaves only and is offset 40mm (1.57") from the center bolt.
2016 Ford F-450 Super DutyFits 2 Wheel Drive; Fits 4 Wheel Drive2008-2016 springs use a 20mm front bolt.

Customer Q&A - Leaf Springs 43-1855


Leaf Springs

At TruckSpring / Michigan Truck Spring, we obtain our leaf springs from various sources throughout the world. All of the manufacturers that we represent produce leaf springs that are as good as or better quality than OEM springs.

Virtually no vehicle manufacturer actually manufactures their own leaf springs. Like many other truck components, leaf springs are purchased from companies specializing in supplying parts to truck manufacturers. The springs we sell have the same or better quality as OEM springs and many times are purchased from the same manufacturer.

Leaf Springs Warranty

1 Year Limited Warranty

On all leaf springs.

What the warranty does not cover

Damage from accidents, corrosion, improper installation, incorrect applications, overloading, and custom applications that are not specified under the OEM cross references. This warranty does not cover loss of freight, loss of profit, equipment, or personal downtime. Any alteration of products will void the warranty. Warranty is void if new u-bolts are not installed when the new leaf spring is installed. Using existing u-bolts is a common cause for leaf spring breakage and failure.

How to get service

If a leaf spring failure results from a manufacturer defect, contact us at Michigan Truck Spring for support. You can contact us by phone at 1-800-358-4751 or by using our contact form.

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