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2021 Ford F-350 Super Duty

2021 Ford F-350 Super Duty Helper Springs

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Helper Spring, Requires Part Number 25301
Part Number: H632511
Guaranteed to Fit
$353.24
Vehicle Fitment
  • 2021 Ford F-350 Super Duty All Submodels All Engines Requires PN[25301]
Product Details
Notes : Requires Mounting Kit Part Number - 25301Series : Load Pro LP-25 SeriesQuantity 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.

Type : Leaf springLoad Capacity : 2500 lbs.
Front Helper Spring, Set of 2
Part Number: S99SSF-111-40
Guaranteed to Fit
$258.99
Vehicle Fitment
  • 2021 Ford F-350 Super Duty Limited All Engines
  • 2021 Ford F-350 Super Duty Platinum All Engines
  • 2021 Ford F-350 Super Duty King Ranch All Engines
  • 2021 Ford F-350 Super Duty XL All Engines
  • 2021 Ford F-350 Super Duty Lariat All Engines
  • 2021 Ford F-350 Super Duty XLT All Engines
Product Details
Location : FrontSeries : SumoSprings SeriesQuantity 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 : 1000 lbs.
Helper Spring, Kit
Part Number: H639706
Guaranteed to Fit
$227.52
Vehicle Fitment
  • 2021 Ford F-350 Super Duty King Ranch All Engines Crew Cab Pickup
  • 2021 Ford F-350 Super Duty XL All Engines Standard Cab Pickup
  • 2021 Ford F-350 Super Duty Limited All Engines Crew Cab Pickup
  • 2021 Ford F-350 Super Duty Lariat All Engines Extended Cab Pickup
  • 2021 Ford F-350 Super Duty Platinum All Engines Crew Cab Pickup
  • 2021 Ford F-350 Super Duty XLT All Engines Crew Cab Pickup
Product Details
Series : Big Wig SeriesQuantity 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.

Front Helper Spring, Set of 2
Part Number: S99SSF-111-47
Guaranteed to Fit
$288.99
Vehicle Fitment
  • 2021 Ford F-350 Super Duty Limited All Engines
  • 2021 Ford F-350 Super Duty Platinum All Engines
  • 2021 Ford F-350 Super Duty King Ranch All Engines
  • 2021 Ford F-350 Super Duty XL All Engines
  • 2021 Ford F-350 Super Duty Lariat All Engines
  • 2021 Ford F-350 Super Duty XLT All Engines
Product Details
Location : FrontSeries : SumoSprings SeriesQuantity 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.
Front Helper Spring, Set of 2
Part Number: S99SSF-111-54
Guaranteed to Fit
$299.99
Vehicle Fitment
  • 2021 Ford F-350 Super Duty Limited All Engines
  • 2021 Ford F-350 Super Duty Platinum All Engines
  • 2021 Ford F-350 Super Duty King Ranch All Engines
  • 2021 Ford F-350 Super Duty XL All Engines
  • 2021 Ford F-350 Super Duty Lariat All Engines
  • 2021 Ford F-350 Super Duty XLT All Engines
Product Details
Location : FrontSeries : SumoSprings SeriesQuantity 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 : 2800 lbs.
Rear Helper Spring, Sold individually
Part Number: S99SSA505
Guaranteed to Fit
$337.99
Vehicle Fitment
  • 2021 Ford F-350 Super Duty XL All Engines 4WD, For chassis cab models only; Do not use on pickup models; May be used on trucks equipped with top overload spring
  • 2021 Ford F-350 Super Duty Lariat All Engines 4WD, For chassis cab models only; Do not use on pickup models; May be used on trucks equipped with top overload spring
  • 2021 Ford F-350 Super Duty XLT All Engines RWD, For chassis cab models only; Do not use on pickup models; May be used on trucks equipped with top overload spring
Product Details
Location : RearNotes : 1,500 lbs. Additional Load-Leveling Ability; Up to 30-percent Reduced on Body Roll Up; Adjustable Shackles; Shot Peened Steel; SAE 5160H High-Grade Steel; Not Recommended for Use on Pick-Up ModelsQuantity 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 : 1500 lbs.Product Fit : Direct Fit
Rear Helper Spring, Set of 2
Part Number: S99SSR-127-47
Guaranteed to Fit
$360.99
Vehicle Fitment
  • 2021 Ford F-350 Super Duty King Ranch All Engines
  • 2021 Ford F-350 Super Duty Limited All Engines
  • 2021 Ford F-350 Super Duty Lariat All Engines
  • 2021 Ford F-350 Super Duty XL All Engines
  • 2021 Ford F-350 Super Duty Platinum All Engines
  • 2021 Ford F-350 Super Duty XLT All Engines
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
Part Number: S99SSR-127-54
Guaranteed to Fit
$381.99
Vehicle Fitment
  • 2021 Ford F-350 Super Duty King Ranch All Engines
  • 2021 Ford F-350 Super Duty Limited All Engines
  • 2021 Ford F-350 Super Duty Lariat All Engines
  • 2021 Ford F-350 Super Duty XL All Engines
  • 2021 Ford F-350 Super Duty Platinum All Engines
  • 2021 Ford F-350 Super Duty XLT All Engines
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 : 2800 lbs.
Rear Helper Spring, Set of 2
Part Number: S99SSR-128-40-2
Guaranteed to Fit
$631.99
Vehicle Fitment
  • 2021 Ford F-350 Super Duty King Ranch All Engines 4WD
  • 2021 Ford F-350 Super Duty XL All Engines 4WD
  • 2021 Ford F-350 Super Duty Limited All Engines
  • 2021 Ford F-350 Super Duty Lariat All Engines 4WD
  • 2021 Ford F-350 Super Duty Platinum All Engines 4WD
  • 2021 Ford F-350 Super Duty XLT All Engines 4WD
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 : 2600 lbs.
Rear Helper Spring, Set of 2
Part Number: S99SSR-129-47-2
Guaranteed to Fit
$641.99
Vehicle Fitment
  • 2021 Ford F-350 Super Duty King Ranch All Engines RWD
  • 2021 Ford F-350 Super Duty Lariat All Engines RWD
  • 2021 Ford F-350 Super Duty XL All Engines RWD
  • 2021 Ford F-350 Super Duty Platinum All Engines RWD
  • 2021 Ford F-350 Super Duty XLT All Engines RWD
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 : 4600 lbs.
Rear Helper Spring, Set of 2
Part Number: S99SSR-128-47-2
Guaranteed to Fit
$641.99
Vehicle Fitment
  • 2021 Ford F-350 Super Duty King Ranch All Engines 4WD
  • 2021 Ford F-350 Super Duty XL All Engines 4WD
  • 2021 Ford F-350 Super Duty Limited All Engines
  • 2021 Ford F-350 Super Duty Lariat All Engines 4WD
  • 2021 Ford F-350 Super Duty Platinum All Engines 4WD
  • 2021 Ford F-350 Super Duty XLT All Engines 4WD
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 : 4600 lbs.
Rear Helper Spring, Set of 2
Part Number: S99SSA46
Guaranteed to Fit
$648.99
Vehicle Fitment
  • 2021 Ford F-350 Super Duty All Submodels All Engines Pickup Models Only Not For Use With Chassis Cab Models
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 : 3500 lbs.
Rear Helper Spring, Set of 2
Part Number: S99SSA50
Guaranteed to Fit
$652.99
Vehicle Fitment
  • 2021 Ford F-350 Super Duty All Submodels All Engines Cab And Chassis Models Only, Do Not Use On Pickup Models, May Be Used On Models Equipped With Top Overload Spring
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 : 3000 lbs.
Rear Helper Spring, Set of 2
Part Number: S99SSA49
Guaranteed to Fit
$652.99
Vehicle Fitment
  • 2021 Ford F-350 Super Duty All Submodels All Engines Pickup Models Only Not For Use With Chassis Cab Models
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 : 1900 lbs.
Helper Spring, Set of 2
Part Number: H633511
Guaranteed to Fit
$422.23
Vehicle Fitment
  • 2021 Ford F-350 Super Duty King Ranch All Engines Crew Cab Pickup, Requires PN[25301]
  • 2021 Ford F-350 Super Duty XL All Engines Standard Cab Pickup, Requires PN[25301]
  • 2021 Ford F-350 Super Duty Limited All Engines Crew Cab Pickup, Requires PN[25301]
  • 2021 Ford F-350 Super Duty Lariat All Engines Crew Cab Pickup, Requires PN[25301]
  • 2021 Ford F-350 Super Duty Platinum All Engines Crew Cab Pickup, Requires PN[25301]
  • 2021 Ford F-350 Super Duty XLT All Engines Extended Cab Pickup, Requires PN[25301]
Product Details
Notes : Requires Mounting Kit Part Number - 25301Series : Load Pro LP-35 SeriesQuantity 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.

Type : Leaf springLoad Capacity : 3500 lbs.
Page 1 of 2 | Showing 1 - 15 of 19 results

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Product Questions & Answers

Q:Do the U bolt rings come with this package or are they sold separately? Show Less
Andres
A:BEST ANSWERHi Andres, I'm glad to assist you. No. The U-bolts are with the mounting kit that you have to order with this helper spring kit. The part number is H6325301. Grab our promo price, which has a 30-day post-purchase price match guarantee. Happy shopping! https://www.carparts.com/helper-spring/hellwig/h633511?can=CPJE1043_CSQA_20230414 (helper spring) https://www.carparts.com/details/Ford/F-350_Super_Duty/Hellwig/Helper_Spring_Mounting_Kit/2013/XLT/8_Cyl_6-dot-7L/H6325301.html?can=CPJE1043_CSQA_20230414 (installation hardware kit, with u-bolts) Show less
Jeonino E.
 
1 Question, 1 AnswerView all Q&As >