Street. Track. Everything between.
Your garage Find parts for your vehicle Select year, make and model to narrow your search.

Hellwig 20-21 Chevy Silv 3500 Load Pro- 3500lb Level LC 4 Leaf Stack Helper Spring w/o Mounting Kit

SKU: HWG3518

Suspension Helper Springs

HWG LP-35 Heavy Duty Leaf Kits...

Hellwig 20-21 Chevy Silv 3500 Load Pro- 3500lb Level LC 4 Leaf Stack Helper Spring w/o Mounting Kit

SKU: HWG3518

Suspension Helper Springs

HWG LP-35 Heavy Duty Leaf Kits...

Sale ends in Calculating...

A$1,301.89 A$1,729.45
Special Order. Contact for ETA. This item is out of stock in our warehouse and partner distribution centres. In some cases, this may be due to not having live inventory feeds available for all suppliers. Please contact us before ordering if you need to meet a specific deadline.
View cart
We accept
American Express
Mastercard
Visa
PayPal Checkout
Direct Deposit
Afterpay
Apple Pay
Google Pay
Zip Pay

Description

The Hellwig LP-35 Helper Spring set the standard for all other aftermarket helper springs. Featuring a Fulltime Spring Rate design it is the workhorse of the Hellwig Spring line. This is ideal for fleet applications or vehicles that consistently carry a heavy load day in and day out.

Product Overview

The Hellwig LP-35 Helper Spring set the standard for all other aftermarket helper springs. Featuring a Fulltime Spring Rate design it is the workhorse of the Hellwig Spring line. This is ideal for fleet applications or vehicles that consistently carry a heavy load day in and day out.


Features and Benefits

  • Set The Standard For All Other Aftermarket Helper Springs
  • 1 ton applications
  • Easy Installation
  • Install Kit Required (see Load Pro installation kits)
  • Level Load Capacity up to 3500lbs
  • Tunable

Product Details

Color:Silver Hammertone
Description:LP-35 Progressive Rate Load Leveler Helper Springs
Part Number:hwg3518
Prop 65 - Short Label:WARNING: Cancer and Reproductive Harm - www.p65warnings.ca.gov
Prop 65 Y/N:Y
Title:Hellwig LP-35 Heavy Duty Load Leveler Helper Springs
WARNING CA Proposition 65 Message:WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
WARNING CA Proposition 65:Yes

Part Type

Leaf Helper Spring

Data: v4.2 - Upd: 2026-10-14 12:15:16

Features

  • 1 ton applications
  • Easy Installation
  • Install Kit Required (see Load Pro installation kits)
  • Level Load Capacity up to 3500lbs
  • Set The Standard For All Other Aftermarket Helper Springs
  • Tunable

Specifications

Product Attributes - Brand
Hellwig
Product Attributes - Manufacturer's Part Number
3518
Product Attributes - Part Type
Suspension Helper Springs
Product Attributes - Product Line
Hellwig LP-35 Helper Spring Kits
Product Attributes - UPC
745662035181
Product Attributes - Maximum Safe Load
3,500 lbs.
Product Attributes - Spring Finish
Black
Product Attributes - Drilling Required
No
Product Attributes - Installation Kit Required
No
Product Attributes - Hardware Included
Yes
Product Attributes - Quantity
Sold as a kit.

Reference Information

Brand Name/s Hellwig
StreetFX SKU hwg3518
SFX Item ID 4158838
Supplier Item Code 4158838
Manufacturer SKU 3518
Manufacturer UPC 745662035181
Alternative References lp-35, HEL3518, 3500lb

Brochures

Compatibility

Application Data
  • MakeGMC
    ModelSIERRA 3500 HD
    SubmodelSLT
    Beginning Year2020
    Ending Year2021
    Drivetrain4WD
    Helper Spring PositionRear
    Application NotesFits single rear trucks only. Must remove factory helper springs.
  • MakeGMC
    ModelSIERRA 3500 HD
    SubmodelSLT
    Beginning Year2020
    Ending Year2022
    Drivetrain4WD
  • MakeGMC
    ModelSIERRA 3500 HD
    SubmodelSLT
    Beginning Year2020
    Ending Year2022
    DrivetrainRWD
    Helper Spring PositionRear
    Application NotesFits single rear trucks only. Must remove factory helper springs.
  • MakeGMC
    ModelSIERRA 3500 HD
    SubmodelSLT
    Beginning Year2020
    Ending Year2022
    Drivetrain4WD
    Helper Spring PositionRear
    Application NotesFits single rear trucks only. Must remove factory helper springs.
  • MakeGMC
    ModelSIERRA 3500 HD
    SubmodelBASE
    Beginning Year2020
    Ending Year2021
    Drivetrain4WD
  • MakeGMC
    ModelSIERRA 3500 HD
    SubmodelBASE
    Beginning Year2020
    Ending Year2021
    Drivetrain4WD
  • MakeGMC
    ModelSIERRA 3500 HD
    SubmodelBASE
    Beginning Year2020
    Ending Year2021
    DrivetrainRWD
    Helper Spring PositionRear
    Application NotesFits single rear trucks only. Must remove factory helper springs.
  • MakeGMC
    ModelSIERRA 3500 HD
    SubmodelBASE
    Beginning Year2020
    Ending Year2021
    DrivetrainRWD
    Helper Spring PositionRear
    Application NotesFits single rear trucks only. Must remove factory helper springs.
  • MakeGMC
    ModelSIERRA 3500 HD
    SubmodelBASE
    Beginning Year2020
    Ending Year2021
    DrivetrainRWD
  • MakeGMC
    ModelSIERRA 3500 HD
    SubmodelDENALI
    Beginning Year2020
    Ending Year2021
    Drivetrain4WD
    Helper Spring PositionRear
    Application NotesFits single rear trucks only. Must remove factory helper springs.
  • MakeGMC
    ModelSIERRA 3500 HD
    SubmodelDENALI
    Beginning Year2020
    Ending Year2021
    DrivetrainRWD
    Helper Spring PositionRear
    Application NotesFits single rear trucks only. Must remove factory helper springs.
  • MakeGMC
    ModelSIERRA 3500 HD
    SubmodelDENALI
    Beginning Year2020
    Ending Year2022
    Drivetrain4WD
  • MakeGMC
    ModelSIERRA 3500 HD
    SubmodelDENALI
    Beginning Year2020
    Ending Year2022
    Drivetrain4WD
    Helper Spring PositionRear
    Application NotesFits single rear trucks only. Must remove factory helper springs.
  • MakeGMC
    ModelSIERRA 3500 HD
    SubmodelPRO
    Beginning Year2022
    Ending Year2022
    Drivetrain4WD
    Helper Spring PositionRear
    Application NotesFits single rear trucks only. Must remove factory helper springs.
  • MakeGMC
    ModelSIERRA 3500 HD
    SubmodelPRO
    Beginning Year2022
    Ending Year2022
    Drivetrain4WD
  • MakeGMC
    ModelSIERRA 3500 HD
    SubmodelPRO
    Beginning Year2022
    Ending Year2022
    DrivetrainRWD
  • MakeGMC
    ModelSIERRA 3500 HD
    SubmodelPRO
    Beginning Year2022
    Ending Year2022
    DrivetrainRWD
  • MakeGMC
    ModelSIERRA 3500 HD
    SubmodelSLE
    Beginning Year2020
    Ending Year2021
    Drivetrain4WD
    Helper Spring PositionRear
    Application NotesFits single rear trucks only. Must remove factory helper springs.
  • MakeGMC
    ModelSIERRA 3500 HD
    SubmodelSLE
    Beginning Year2020
    Ending Year2021
    DrivetrainRWD
    Helper Spring PositionRear
    Application NotesFits single rear trucks only. Must remove factory helper springs.
  • MakeGMC
    ModelSIERRA 3500 HD
    SubmodelSLE
    Beginning Year2020
    Ending Year2022
    Drivetrain4WD
    Helper Spring PositionRear
    Application NotesFits single rear trucks only. Must remove factory helper springs.
  • MakeGMC
    ModelSIERRA 3500 HD
    SubmodelSLE
    Beginning Year2020
    Ending Year2022
    Drivetrain4WD
  • MakeGMC
    ModelSIERRA 3500 HD
    SubmodelSLE
    Beginning Year2020
    Ending Year2022
    DrivetrainRWD
  • MakeGMC
    ModelSIERRA 3500 HD
    SubmodelSLE
    Beginning Year2020
    Ending Year2022
    DrivetrainRWD
  • MakeGMC
    ModelSIERRA 3500 HD
    SubmodelSLT
    Beginning Year2020
    Ending Year2021
    Drivetrain4WD
    Helper Spring PositionRear
    Application NotesFits single rear trucks only. Must remove factory helper springs.
  • MakeGMC
    ModelSIERRA 3500 HD
    SubmodelSLT
    Beginning Year2020
    Ending Year2021
    DrivetrainRWD
    Helper Spring PositionRear
    Application NotesFits single rear trucks only. Must remove factory helper springs.

Loading compatibility information...

Keep shopping

More from Hellwig