Home/All Parts/Fabtech/Fabtech Crossmember Lift System — 4" Lift — 2011-2019 GMC Sierra 2500 HD / 2019 Sierra 3500 HD (K1121)

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Fabtech suspension lift kit.

Fabtechs new 4 crossmember systems utilize their proven heavy duty construction and design features for a robust suspension upgrade. Rear lift is accomplished with a block and u bolt configuration.

A suspension lift raises ride height to clear larger tires; component kits vary in what they include, so check the parts list.

Use the vehicle selector to confirm your exact year and configuration.

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

Fabtech

Fabtech Crossmember Lift System — 4" Lift — 2011-2019 GMC Sierra 2500 HD / 2019 Sierra 3500 HD (K1121)

Name: Fabtech Crossmember Lift System — 4" Lift — 2011-2019 GMC Sierra 2500 HD / 2019 Sierra 3500 HD (K1121)
Brand: Fabtech
SKU: FABK1121
Price: 3010.99 CAD
Availability: InStock

Professional installation recommended. This part affects how your vehicle handles, steers or carries load. Have it installed by a qualified technician, torqued to the manufacturer's specification, and have the alignment checked afterwards where the manufacturer calls for it.

Part #: FABK1121 In stock

$3,010.99

Price in CAD. Taxes & shipping calculated at checkout.

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

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Fitment Data

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Fits these vehicles

2011–2019 GMC Sierra 2500 HD2019 GMC Sierra 3500 HD

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

Vehicle fitment

Estimated fitment — verify before purchase

Years	Make	Model
2011–2019	GMC	Sierra 2500 HD
2019	GMC	Sierra 3500 HD

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.