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OE Quality
60-Day Returns
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DormanPart #: 43-1855
Dorman 43-1855 Leaf Spring Assembly - Rear
⚙️ 12 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$375.08Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship
Most orders ship same-day if ordered before 1pm CST.
✅OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Ford, F-250 Super Duty and F-350 Super Duty
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST
Not what you need? Click here for all Leaf Spring Assembly options
Dorman 43-1855 Leaf Spring Assembly - Rear
| Brand | Dorman |
| Part Number | 43-1855 |
| Material | Acero |
| Material | Steel |
| Bushing Color | Black |
| Bushing Color | Negro |
| Bushing Color | Noir |
| Color | Black |
| Color | Negro |
| Color | Noir |
| Load Rate | 2700 |
| Suspension Grade Type | Reemplazo estándar |
| Suspension Grade Type | Standard |
| Leaf Quantity | 3 |
| Leaf Width | 3 |
| Axle Orientation | Arrière |
| Axle Orientation | Rear |
| Axle Orientation | Trasero |
| Helper Spring | No |
| Helper Spring | Non |
| Axle Modification Needed | No |
| Axle Modification Needed | Non |
| Bushings Included | Oui |
| Bushings Included | Sí |
| Bushings Included | Yes |
| Mounting Hardware Included | No |
| Mounting Hardware Included | Non |
| Length Axis 1 | 33.188 |
| Length Axis 2 | 33.188 |
| Pack Thickness | 2.126 |
| Leaf Spring Arch Length | 6.875 |
| Spring Research Institute Number | 43-1855 |
This part fits 12 vehicles. Search below:
| Year | Make | Model | Body Type | Position | Notes |
|---|---|---|---|---|---|
| 2016 | Ford | F-250 Super Duty | Rear | w/Helper Springs | |
| 2016 | Ford | F-350 Super Duty | Crew Cab Pickup | Rear | w/Single Rear Wheel (SRW) |
| 2015 | Ford | F-250 Super Duty | Rear | w/Helper Springs | |
| 2015 | Ford | F-350 Super Duty | Crew Cab Pickup | Rear | w/Single Rear Wheel (SRW) |
| 2014 | Ford | F-250 Super Duty | Rear | w/Helper Springs | |
| 2014 | Ford | F-350 Super Duty | Crew Cab Pickup | Rear | w/Single Rear Wheel (SRW) |
| 2013 | Ford | F-250 Super Duty | Rear | w/Helper Springs | |
| 2013 | Ford | F-350 Super Duty | Crew Cab Pickup | Rear | w/Single Rear Wheel (SRW) |
| 2012 | Ford | F-250 Super Duty | Rear | w/Helper Springs | |
| 2012 | Ford | F-350 Super Duty | Crew Cab Pickup | Rear | w/Single Rear Wheel (SRW) |
| 2011 | Ford | F-250 Super Duty | Rear | w/Helper Springs | |
| 2011 | Ford | F-350 Super Duty | Crew Cab Pickup | Rear | w/Single Rear Wheel (SRW) |
* 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:
043-1855-0043-185543-1855DAY
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.