Home/All Parts/Hellwig/Hellwig Load Pro 4-Leaf Stack Helper Springs, Level Load up to 3500 lb, No Mounting Kit — 11-21 Ford F-250 (3511)

TRACKED DELIVERY

Fitment data included Warranty backed Tracked delivery

Product Details

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.ATTENTION: MUST PURCHASE LP MOUNTING KIT FOR INSTALLATION. IF EQUIPPED WITH FACTORY CONTACT OVERLOAD SPRINGS, CHECK VEHICLE FITMENT ABOVE FOR SPECIFIC INFORMATION ON YOUR YEAR AND MODEL VEHICLE.

Features

Install Kit Required (see Load Pro installation kits)
Level Load Capacity up to 3500lbs
1 ton applications
Easy Installation
Tunable

Confirm this fits your vehicle. Use the “Check Fit” selector, or see the Vehicle Compatibility list below for confirmed years, makes and models.

Hellwig

Hellwig Load Pro 4-Leaf Stack Helper Springs, Level Load up to 3500 lb, No Mounting Kit — 11-21 Ford F-250 (3511)

Name: Hellwig Load Pro 4-Leaf Stack Helper Springs, Level Load up to 3500 lb, No Mounting Kit — 11-21 Ford F-250 (3511)
Brand: Hellwig
SKU: HWG3511
Price: 672.99 CAD
Availability: InStock

Part #: HWG3511 In stock

$672.99

Price in CAD. Taxes & shipping calculated at checkout.

Check if it fits your vehicle

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Arrives within 1 week.Estimate, not a guarantee — if an order will take longer we contact you before taking payment.

Shipping from $199.00

Tracked shipping across CanadaExpress shipping available · 30-day returns · Oversize and freight items ship at a flat rate shown at checkout · Shipping details

Tracked delivery across Canada.

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CAD pricing and Canadian support

Warranty Backed

Manufacturer warranties honoured

Fitment Data

Fit info on thousands of parts

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Fits these vehicles

2016–2026 Ford F-550 Super Duty2011–2026 Ford F-250 Super Duty2011–2026 Ford F-350 Super Duty2016–2026 Ford F-450 Super Duty

Fitment data is provided as a guide — please verify before purchase.

Vehicle fitment

Estimated fitment — verify before purchase

Years	Make	Model	Cab / bed	Notes
2016–2025	Ford	F-550 Super Duty	Cab & Chassis - Crew Cab	Do Not Use w/Factory Overload Contact Springs
2016–2025	Ford	F-550 Super Duty	Cab & Chassis - Extended Cab	Do Not Use w/Factory Overload Contact Springs
2016–2026	Ford	F-550 Super Duty	Cab & Chassis - Conventional	Do Not Use w/Factory Overload Contact Springs
2011–2026	Ford	F-250 Super Duty	Standard Cab Pickup	Do Not Use w/Factory Overload Contact Springs
2011–2026	Ford	F-250 Super Duty	Crew Cab Pickup	Do Not Use w/Factory Overload Contact Springs
2011–2026	Ford	F-350 Super Duty	Extended Cab Pickup	Do Not Use w/Factory Overload Contact Springs
2011–2026	Ford	F-350 Super Duty	Crew Cab Pickup	Do Not Use w/Factory Overload Contact Springs
2011–2026	Ford	F-350 Super Duty	Standard Cab Pickup	Do Not Use w/Factory Overload Contact Springs
2011–2026	Ford	F-250 Super Duty	Extended Cab Pickup	Do Not Use w/Factory Overload Contact Springs
2016–2026	Ford	F-450 Super Duty	Cab & Chassis - Conventional	Do Not Use w/Factory Overload Contact Springs
2016–2025	Ford	F-450 Super Duty	Cab & Chassis - Crew Cab	Do Not Use w/Factory Overload Contact Springs
2016–2025	Ford	F-450 Super Duty	Cab & Chassis - Extended Cab	Do Not Use w/Factory Overload Contact Springs
2016–2025	Ford	F-450 Super Duty	Crew Cab Pickup	Do Not Use w/Factory Overload Contact Springs
2016–2024	Ford	F-350 Super Duty	Cab & Chassis	Do Not Use w/Factory Overload Contact Springs
2026	Ford	F-350 Super Duty	Cab & Chassis	Do Not Use w/Factory Overload Contact Springs
2026	Ford	F-250 Super Duty	Crew Cab Pickup	Do Not Use w/Factory Overload Contact Springs or use 9703

Check fitment before you order. We publish fitment from manufacturer and industry data and take care with it, but fit can depend on trim, cab and bed configuration, factory options and any modifications already on your vehicle. If you are unsure, contact us before ordering — and if fitment we published turns out to be wrong, we cover the return.