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2018 Ford F-350 Super Duty
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Lifetime Replacement
2018 Ford F-350 Super Duty

2018 Ford F-350 Super Duty Helper Springs

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Helper Spring, 2,500 lbs. Capacity, 3 Leaf Stack, Requires Part Number 25301
Hellwig®
Helper Spring, 2,500 lbs. Capacity, 3 Leaf Stack, Requires Part Number 25301
Part Number: H632511
Guaranteed to Fit
$353.24
Vehicle Fitment
  • 2018 Ford F-350 Super Duty All Submodels All Engines 2500 lbs. Capacity; 3 Leaf Stack; Requires PN[25301]
Product Details
Notes : Requires Mounting Kit Part Number - 25301Quantity Sold : Set of 2Warranty : Million-mile Hellwig limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : Load Pro LP-25 SeriesType : Leaf springLoad Capacity : 2500 lbs.
Rear Helper Spring, Set of 2
SuperSprings®
Rear Helper Spring, Set of 2
Part Number: S99SSA40
Guaranteed to Fit
$534.99
Vehicle Fitment
  • 2018 Ford F-350 Super Duty Lariat All Engines Self-Adj. Sus Stabilizing Sys.; Provides 1500 lbs Add'l Load Leveling Ability; Do Not Exceed GVWR
  • 2018 Ford F-350 Super Duty Platinum All Engines Self-Adj. Sus Stabilizing Sys.; Provides 1500 lbs Add'l Load Leveling Ability; Do Not Exceed GVWR
  • 2018 Ford F-350 Super Duty XLT All Engines Self-Adj. Sus Stabilizing Sys.; Provides 1500 lbs Add'l Load Leveling Ability; Do Not Exceed GVWR
  • 2018 Ford F-350 Super Duty King Ranch All Engines Self-Adj. Sus Stabilizing Sys.; Provides 1500 lbs Add'l Load Leveling Ability; Do Not Exceed GVWR
  • 2018 Ford F-350 Super Duty Limited All Engines Self-Adj. Sus Stabilizing Sys.; Provides 1500 lbs Add'l Load Leveling Ability; Do Not Exceed GVWR
  • 2018 Ford F-350 Super Duty XL All Engines Self-Adj. Sus Stabilizing Sys.; Provides 1500 lbs Add'l Load Leveling Ability; Do Not Exceed GVWR
Product Details
Location : RearQuantity Sold : Set of 2Warranty : Lifetime SuperSprings limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Type : Leaf springLoad Capacity : 1500 lbs.
Rear Helper Spring, Set of 2
SuperSprings®
Rear Helper Spring, Set of 2
Part Number: S99SSA25
Guaranteed to Fit
$648.99
Vehicle Fitment
  • 2018 Ford F-350 Super Duty Lariat All Engines Self-Adjusting Suspension Stabilizing System; Do Not Exceed GVWR
  • 2018 Ford F-350 Super Duty Platinum All Engines Self-Adjusting Suspension Stabilizing System; Do Not Exceed GVWR
  • 2018 Ford F-350 Super Duty XLT All Engines Self-Adjusting Suspension Stabilizing System; Do Not Exceed GVWR
  • 2018 Ford F-350 Super Duty King Ranch All Engines Self-Adjusting Suspension Stabilizing System; Do Not Exceed GVWR
  • 2018 Ford F-350 Super Duty XL All Engines Self-Adjusting Suspension Stabilizing System; Do Not Exceed GVWR
Product Details
Location : RearNotes : 45 x 8.75 x 6.5 in. DimensionsQuantity Sold : Set of 2Warranty : Lifetime SuperSprings limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Front Helper Spring, Set of 2
SuperSprings®
Front Helper Spring, Set of 2
Part Number: S99SSF-111-40
Guaranteed to Fit
$258.99
Vehicle Fitment
  • 2018 Ford F-350 Super Duty XLT All Engines Solo Kits Are Repl To Factory Bump Stops; Capacity 1000 lbs. At 50 Percent Compression; Do Not Exceed GVWR
  • 2018 Ford F-350 Super Duty Lariat All Engines Solo Kits Are Repl To Factory Bump Stops; Capacity 1000 lbs. At 50 Percent Compression; Do Not Exceed GVWR
  • 2018 Ford F-350 Super Duty King Ranch All Engines Solo Kits Are Repl To Factory Bump Stops; Capacity 1000 lbs. At 50 Percent Compression; Do Not Exceed GVWR
  • 2018 Ford F-350 Super Duty Platinum All Engines Solo Kits Are Repl To Factory Bump Stops; Capacity 1000 lbs. At 50 Percent Compression; Do Not Exceed GVWR
  • 2018 Ford F-350 Super Duty Limited All Engines Solo Kits Are Repl To Factory Bump Stops; Capacity 1000 lbs. At 50 Percent Compression; Do Not Exceed GVWR
  • 2018 Ford F-350 Super Duty XL All Engines Solo Kits Are Repl To Factory Bump Stops; Capacity 1000 lbs. At 50 Percent Compression; Do Not Exceed GVWR
Product Details
Location : FrontQuantity Sold : Set of 2Warranty : Lifetime SuperSprings limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : SumoSprings SeriesType : Leaf springLoad Capacity : 1000 lbs.
Helper Spring, Kit
Hellwig®
Helper Spring, Kit
Part Number: H639706
Guaranteed to Fit
$227.52
Vehicle Fitment
  • 2018 Ford F-350 Super Duty All Submodels All Engines Fits Vehicles w/Factory Top Overload Spring
Product Details
Quantity Sold : KitWarranty : Lifetime Hellwig limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : Big Wig Series
Rear Helper Spring, Sold individually
Dorman®
Rear Helper Spring, Sold individually
Part Number: RB432105
Guaranteed to Fit
$192.99
Vehicle Fitment
  • 2018 Ford F-350 Super Duty King Ranch All Engines Crew Cab Pickup; With 18 In. Wheels; With 20 In. Wheels; With Single Rear Wheel (Srw)
  • 2018 Ford F-350 Super Duty Limited All Engines Crew Cab Pickup; With 18 In. Wheels; With 20 In. Wheels; With Single Rear Wheel (Srw)
  • 2018 Ford F-350 Super Duty Lariat All Engines Crew Cab Pickup; With 18 In. Wheels; With 20 In. Wheels; With Single Rear Wheel (Srw)
  • 2018 Ford F-350 Super Duty Platinum All Engines Crew Cab Pickup; With 18 In. Wheels; With 20 In. Wheels; With Single Rear Wheel (Srw)
  • 2018 Ford F-350 Super Duty XLT All Engines Standard Cab Pickup; With 18 In. Wheels; With 20 In. Wheels; With Single Rear Wheel (Srw)
  • 2018 Ford F-350 Super Duty XL All Engines Extended Cab Pickup; With 18 In. Wheels; With 20 In. Wheels; With Single Rear Wheel (Srw)
Product Details
Location : RearQuantity Sold : Sold individuallyWarranty : Lifetime Dorman limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : OE Solutions SeriesInterchange Part Number : H3CZ5560L, HC3Z5560L, 43-2105DAYReplaces OE Number : H3CZ5560L, HC3Z5560L, 43-2105DAY
Rear Helper Spring, Sold individually
Dorman®
Rear Helper Spring, Sold individually
Part Number: RB432089
Guaranteed to Fit
$197.49
Vehicle Fitment
  • 2018 Ford F-350 Super Duty Lariat All Engines Cab & Chassis; With Single Rear Wheel (Srw); Bolts To Main Spring With 7/16 In. Diameter Center Bolt
  • 2018 Ford F-350 Super Duty XLT All Engines Cab & Chassis; With Single Rear Wheel (Srw); Bolts To Main Spring With 7/16 In. Diameter Center Bolt
  • 2018 Ford F-350 Super Duty XL All Engines Cab & Chassis; With Single Rear Wheel (Srw); Bolts To Main Spring With 7/16 In. Diameter Center Bolt
Product Details
Location : RearQuantity Sold : Sold individuallyWarranty : Lifetime Dorman limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : OE Solutions SeriesInterchange Part Number : H3CZ5560G, HC3Z5560V, 43-2089DAYReplaces OE Number : H3CZ5560G, HC3Z5560V, 43-2089DAY
Rear Helper Spring, Sold individually
Dorman®
Rear Helper Spring, Sold individually
Part Number: RB432083
Guaranteed to Fit
$199.49
Vehicle Fitment
  • 2018 Ford F-350 Super Duty Lariat All Engines Cab & Chassis; With Dual Rear Wheels (Drw)
  • 2018 Ford F-350 Super Duty XLT All Engines Cab & Chassis; With Dual Rear Wheels (Drw)
  • 2018 Ford F-350 Super Duty XL All Engines Cab & Chassis; With Dual Rear Wheels (Drw)
Product Details
Location : RearQuantity Sold : Sold individuallyWarranty : Lifetime Dorman limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : OE Solutions SeriesInterchange Part Number : H3CZ5560F, HC3Z5560Q, 43-2083DAYReplaces OE Number : H3CZ5560F, HC3Z5560Q, 43-2083DAY
Rear Helper Spring, Sold individually
Dorman®
Rear Helper Spring, Sold individually
Part Number: RB432071
Guaranteed to Fit
$214.49
Vehicle Fitment
  • 2018 Ford F-350 Super Duty King Ranch All Engines Crew Cab Pickup; With Dual Rear Wheels (DRW)
  • 2018 Ford F-350 Super Duty Lariat All Engines Crew Cab Pickup; With Dual Rear Wheels (DRW)
  • 2018 Ford F-350 Super Duty Limited All Engines Crew Cab Pickup; With Dual Rear Wheels (DRW)
  • 2018 Ford F-350 Super Duty Platinum All Engines Crew Cab Pickup; With Dual Rear Wheels (DRW)
  • 2018 Ford F-350 Super Duty XLT All Engines Extended Cab Pickup; With Dual Rear Wheels (Drw)
  • 2018 Ford F-350 Super Duty XL All Engines Extended Cab Pickup; With Dual Rear Wheels (Drw)
Product Details
Location : RearQuantity Sold : Sold individuallyWarranty : Lifetime Dorman limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : OE Solutions SeriesInterchange Part Number : H3CZ5560D, HC3Z5560D, 43-2071DAYReplaces OE Number : H3CZ5560D, HC3Z5560D, 43-2071DAY
Rear Helper Spring, Set of 2
Skyjacker®
Rear Helper Spring, Set of 2
Part Number: S97R3815
Guaranteed to Fit
$201.02
Vehicle Fitment
  • 2018 Ford F-350 Super Duty All Submodels All Engines Lift Height 2 in.
Product Details
Location : RearQuantity Sold : Set of 2Warranty : Lifetime Skyjacker limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Front Helper Spring, Set of 2
SuperSprings®
Front Helper Spring, Set of 2
Part Number: S99SSF-111-47
Guaranteed to Fit
$288.99
Vehicle Fitment
  • 2018 Ford F-350 Super Duty XLT All Engines Solo Kits Are Repl To Factory Bump Stops; Capacity 1500 lbs. At 50 Percent Compression; Do Not Exceed GVWR
  • 2018 Ford F-350 Super Duty Lariat All Engines Solo Kits Are Repl To Factory Bump Stops; Capacity 1500 lbs. At 50 Percent Compression; Do Not Exceed GVWR
  • 2018 Ford F-350 Super Duty King Ranch All Engines Solo Kits Are Repl To Factory Bump Stops; Capacity 1500 lbs. At 50 Percent Compression; Do Not Exceed GVWR
  • 2018 Ford F-350 Super Duty Platinum All Engines Solo Kits Are Repl To Factory Bump Stops; Capacity 1500 lbs. At 50 Percent Compression; Do Not Exceed GVWR
  • 2018 Ford F-350 Super Duty Limited All Engines Solo Kits Are Repl To Factory Bump Stops; Capacity 1500 lbs. At 50 Percent Compression; Do Not Exceed GVWR
  • 2018 Ford F-350 Super Duty XL All Engines Solo Kits Are Repl To Factory Bump Stops; Capacity 1500 lbs. At 50 Percent Compression; Do Not Exceed GVWR
Product Details
Location : FrontQuantity Sold : Set of 2Warranty : Lifetime SuperSprings limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : SumoSprings SeriesType : Leaf springLoad Capacity : 1500 lbs.
Front Helper Spring, Set of 2
SuperSprings®
Front Helper Spring, Set of 2
Part Number: S99SSF-111-54
Guaranteed to Fit
$299.99
Vehicle Fitment
  • 2018 Ford F-350 Super Duty XLT All Engines Solo Kits Are Repl To Factory Bump Stops; Capacity 2800 lbs. At 50 Percent Compression; Do Not Exceed GVWR
  • 2018 Ford F-350 Super Duty Lariat All Engines Solo Kits Are Repl To Factory Bump Stops; Capacity 2800 lbs. At 50 Percent Compression; Do Not Exceed GVWR
  • 2018 Ford F-350 Super Duty King Ranch All Engines Solo Kits Are Repl To Factory Bump Stops; Capacity 2800 lbs. At 50 Percent Compression; Do Not Exceed GVWR
  • 2018 Ford F-350 Super Duty Platinum All Engines Solo Kits Are Repl To Factory Bump Stops; Capacity 2800 lbs. At 50 Percent Compression; Do Not Exceed GVWR
  • 2018 Ford F-350 Super Duty Limited All Engines Solo Kits Are Repl To Factory Bump Stops; Capacity 2800 lbs. At 50 Percent Compression; Do Not Exceed GVWR
  • 2018 Ford F-350 Super Duty XL All Engines Solo Kits Are Repl To Factory Bump Stops; Capacity 2800 lbs. At 50 Percent Compression; Do Not Exceed GVWR
Product Details
Location : FrontQuantity Sold : Set of 2Warranty : Lifetime SuperSprings limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : SumoSprings SeriesType : Leaf springLoad Capacity : 2800 lbs.
Rear Helper Spring, Sold individually
SuperSprings®
Rear Helper Spring, Sold individually
Part Number: S99SSA25.5
Guaranteed to Fit
$320.99
Vehicle Fitment
  • 2018 Ford F-350 Super Duty Lariat All Engines Self-Adj. Sus Stabilizing Sys.; Provides 1650 lbs Add'l Load Leveling Ability; Do Not Exceed GVWR; May Be Used On Models Equipped w/Top Overload Spring
  • 2018 Ford F-350 Super Duty Platinum All Engines Self-Adj. Sus Stabilizing Sys.; Provides 1650 lbs Add'l Load Leveling Ability; Do Not Exceed GVWR; May Be Used On Models Equipped w/Top Overload Spring
  • 2018 Ford F-350 Super Duty XLT All Engines Self-Adj. Sus Stabilizing Sys.; Provides 1650 lbs Add'l Load Leveling Ability; Do Not Exceed GVWR; May Be Used On Models Equipped w/Top Overload Spring
  • 2018 Ford F-350 Super Duty King Ranch All Engines Self-Adj. Sus Stabilizing Sys.; Provides 1650 lbs Add'l Load Leveling Ability; Do Not Exceed GVWR; May Be Used On Models Equipped w/Top Overload Spring
  • 2018 Ford F-350 Super Duty Limited All Engines Self-Adj. Sus Stabilizing Sys.; Provides 1650 lbs Add'l Load Leveling Ability; Do Not Exceed GVWR; May Be Used On Models Equipped w/Top Overload Spring
  • 2018 Ford F-350 Super Duty XL All Engines Self-Adj. Sus Stabilizing Sys.; Provides 1650 lbs Add'l Load Leveling Ability; Do Not Exceed GVWR; May Be Used On Models Equipped w/Top Overload Spring
Product Details
Location : RearQuantity Sold : Sold individuallyWarranty : Lifetime SuperSprings limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Type : Leaf springLoad Capacity : 1650 lbs.
Rear Helper Spring, Sold individually
SuperSprings®
Rear Helper Spring, Sold individually
Part Number: S99SSA22.5
Guaranteed to Fit
$320.99
Vehicle Fitment
  • 2018 Ford F-350 Super Duty Lariat All Engines Self-Adj. Sus Stabilizing Sys.; Provides 1100 lbs Add'l Load Leveling Ability; Do Not Exceed GVWR
  • 2018 Ford F-350 Super Duty Platinum All Engines Self-Adj. Sus Stabilizing Sys.; Provides 1100 lbs Add'l Load Leveling Ability; Do Not Exceed GVWR
  • 2018 Ford F-350 Super Duty XLT All Engines Self-Adj. Sus Stabilizing Sys.; Provides 1100 lbs Add'l Load Leveling Ability; Do Not Exceed GVWR
  • 2018 Ford F-350 Super Duty King Ranch All Engines Self-Adj. Sus Stabilizing Sys.; Provides 1100 lbs Add'l Load Leveling Ability; Do Not Exceed GVWR
  • 2018 Ford F-350 Super Duty Limited All Engines Self-Adj. Sus Stabilizing Sys.; Provides 1100 lbs Add'l Load Leveling Ability; Do Not Exceed GVWR
  • 2018 Ford F-350 Super Duty XL All Engines Self-Adj. Sus Stabilizing Sys.; Provides 1100 lbs Add'l Load Leveling Ability; Do Not Exceed GVWR
Product Details
Location : RearQuantity Sold : Sold individuallyWarranty : Lifetime SuperSprings limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Type : Leaf springLoad Capacity : 1100 lbs.
Rear Helper Spring, Set of 2
SuperSprings®
Rear Helper Spring, Set of 2
Part Number: S99SSR-127-47
Guaranteed to Fit
$360.99
Vehicle Fitment
  • 2018 Ford F-350 Super Duty King Ranch All Engines Solo Kits Are Repl To Factory Bump Stops; Capacity 1500 lbs. At 50 Percent Compression; Do Not Exceed GVWR
  • 2018 Ford F-350 Super Duty XLT All Engines Solo Kits Are Repl To Factory Bump Stops; Capacity 1500 lbs. At 50 Percent Compression; Do Not Exceed GVWR
  • 2018 Ford F-350 Super Duty Platinum All Engines Solo Kits Are Repl To Factory Bump Stops; Capacity 1500 lbs. At 50 Percent Compression; Do Not Exceed GVWR
  • 2018 Ford F-350 Super Duty Lariat All Engines Solo Kits Are Repl To Factory Bump Stops; Capacity 1500 lbs. At 50 Percent Compression; Do Not Exceed GVWR
  • 2018 Ford F-350 Super Duty Limited All Engines Solo Kits Are Repl To Factory Bump Stops; Capacity 1500 lbs. At 50 Percent Compression; Do Not Exceed GVWR
  • 2018 Ford F-350 Super Duty XL All Engines Solo Kits Are Repl To Factory Bump Stops; Capacity 1500 lbs. At 50 Percent Compression; Do Not Exceed GVWR
Product Details
Location : RearQuantity Sold : Set of 2Warranty : Lifetime SuperSprings limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Type : Leaf springLoad Capacity : 1500 lbs.
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