800.345.4545
Unrivaled Customer Service
And Expert Tech Advice!  
FREE SHIPPING!
Same Day Shipping Before 11 PM ET
0
My Cart
0
$0.00
Shop By Vehicle
Shop By
Category
Close Menu
Shop By Vehicle
Top Categories
All Categories

Top Categories

All Categories


Free Catalog
E-Mail Signup
My Account
Track Order
Gift Certificates
Rebates
Help

Tuff Country Suspension Lift Kit 2011-16 Chevy Silverado/GMC Sierra 2500 HD 4WD

Tuff Country 12034KN

444-12034KN

made in usa
jegs shipping
FREE Shipping
Estimated to ship directly from the manufacturer on 07/06/18
Easy Returns
Easy Returns
Lowest Price Guarantee
Lowest Price Guarantee
Tuff Country Suspension Lift Kit 2011-16 Chevy Silverado/GMC Sierra 2500 HD 4WD $381.99
Suspension Lift Kit
  • 2011-16 Chevy Silverado/GMC Sierra 2500 HD 4WD
  • Lift: Front 2"/ Rear 1"
  • Max Tire Size: 31X10.50

  • Tuff Country 12034KN Details

    Chevy/GMC

    Specifications:

    Lift/Drop Height (in.)
    2
    Manufacturer's Part Number:
    12034KN

    Tuff Country Suspension Lift Kits are designed to add height to your truck or SUV, thus increasing fender clearance to accommodate larger tires and more ground clearance. All kits offer the best quality & ride at an affordable price. .


    Features
  • Simple Installation
  • Increased Vehicle Height with Great Ride Quality
  • More Fender Clearance for Larger Tires
  • Limited Lifetime Warranty
  • Kits Include SX8000 Nitro Gas Shocks

  • Does Tuff Country 12034KN fit your vehicle?

    Narrow Results

    2014-2018 CHEVROLET SILVERADO 3500 HD

    • Fitment_Note: U-Bolts/Rear Blocks/Hardware Bag~Incl. SX8000 Shocks/Shock Boots/Torsion Bar Keys~For Use w/Factory Contact Overloads
    • SubModel: ALL
    • EngineType: ALL

    2015-2016 GMC SIERRA 3500 HD

    • Fitment_Note: U-Bolts/Rear Blocks/Hardware Bag~Incl. SX8000 Shocks/Shock Boots/Torsion Bar Keys~For Use w/Factory Contact Overloads
    • SubModel: DENALI
    • EngineType: ALL

    2015 GMC SIERRA 3500 HD

    • Fitment_Note: U-Bolts/Rear Blocks/Hardware Bag~Incl. SX8000 Shocks/Shock Boots/Torsion Bar Keys~For Use w/Factory Contact Overloads
    • SubModel: SLE
    • EngineType: ALL

    2016 GMC SIERRA 3500 HD

    • CC: 5967
    • Fitment_Note: U-Bolts/Rear Blocks/Hardware Bag~Incl. SX8000 Shocks/Shock Boots/Torsion Bar Keys~For Use w/Factory Contact Overloads
    • Liter: 6.0
    • Aspiration: N
    • SubModel: SLT
    • Engine Vin: G
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2013 GMC SIERRA 3500 HD

    • CC: 6599
    • Fitment_Note: U-Bolts/Rear Blocks/Hardware Bag~Incl. SX8000 Shocks/Shock Boots/Torsion Bar Keys~For Use w/Factory Contact Overloads
    • Liter: 6.6
    • SubModel: WT
    • CUI: 403
    • EngineType: V8 ( 6.6 L / 403 )

    2013 GMC SIERRA 3500 HD

    • CC: 5967
    • Fitment_Note: U-Bolts/Rear Blocks/Hardware Bag~Incl. SX8000 Shocks/Shock Boots/Torsion Bar Keys~For Use w/Factory Contact Overloads
    • Liter: 6.0
    • SubModel: SLE
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2013 GMC SIERRA 3500 HD

    • CC: 5967
    • Fitment_Note: U-Bolts/Rear Blocks/Hardware Bag~Incl. SX8000 Shocks/Shock Boots/Torsion Bar Keys~For Use w/Factory Contact Overloads
    • Liter: 6.0
    • SubModel: WT
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2018 CHEVROLET SILVERADO 2500 HD

    • CC: 5967
    • Fitment_Note: U-Bolts/Rear Blocks/Hardware Bag~Incl. SX8000 Shocks/Shock Boots/Torsion Bar Keys
    • Liter: 6.0
    • SubModel: LTZ
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2016 GMC SIERRA 3500 HD

    • CC: 6599
    • Fitment_Note: U-Bolts/Rear Blocks/Hardware Bag~Incl. SX8000 Shocks/Shock Boots/Torsion Bar Keys~For Use w/Factory Contact Overloads
    • Liter: 6.6
    • SubModel: SLT
    • CUI: 403
    • EngineType: V8 ( 6.6 L / 403 )

    2018 CHEVROLET SILVERADO 2500 HD

    • CC: 5967
    • Fitment_Note: U-Bolts/Rear Blocks/Hardware Bag~Incl. SX8000 Shocks/Shock Boots/Torsion Bar Keys
    • Liter: 6.0
    • SubModel: LT
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2013 CHEVROLET SILVERADO 3500 HD

    • CC: 6599
    • Fitment_Note: U-Bolts/Rear Blocks/Hardware Bag~Incl. SX8000 Shocks/Shock Boots/Torsion Bar Keys~For Use w/Factory Contact Overloads
    • Liter: 6.6
    • SubModel: LT
    • CUI: 403
    • EngineType: V8 ( 6.6 L / 403 )

    2013 CHEVROLET SILVERADO 3500 HD

    • Fitment_Note: U-Bolts/Rear Blocks/Hardware Bag~Incl. SX8000 Shocks/Shock Boots/Torsion Bar Keys~For Use w/Factory Contact Overloads
    • SubModel: LTZ
    • EngineType: ALL

    2013 GMC SIERRA 3500 HD

    • Fitment_Note: U-Bolts/Rear Blocks/Hardware Bag~Incl. SX8000 Shocks/Shock Boots/Torsion Bar Keys~For Use w/Factory Contact Overloads
    • SubModel: SLT
    • EngineType: ALL

    2014-2017 CHEVROLET SILVERADO 2500 HD

    • Fitment_Note: U-Bolts/Rear Blocks/Hardware Bag~Incl. SX8000 Shocks/Shock Boots/Torsion Bar Keys
    • SubModel: ALL
    • EngineType: ALL

    2013 CHEVROLET SILVERADO 3500 HD

    • CC: 6599
    • Fitment_Note: U-Bolts/Rear Blocks/Hardware Bag~Incl. SX8000 Shocks/Shock Boots/Torsion Bar Keys~For Use w/Factory Contact Overloads
    • Liter: 6.6
    • SubModel: WT
    • CUI: 403
    • EngineType: V8 ( 6.6 L / 403 )

    2015-2016 GMC SIERRA 3500 HD

    • CC: 6599
    • Fitment_Note: U-Bolts/Rear Blocks/Hardware Bag~Incl. SX8000 Shocks/Shock Boots/Torsion Bar Keys~For Use w/Factory Contact Overloads
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 403
    • EngineType: V8 ( 6.6 L / 403 )

    2018 CHEVROLET SILVERADO 2500 HD

    • CC: 5967
    • Fitment_Note: U-Bolts/Rear Blocks/Hardware Bag~Incl. SX8000 Shocks/Shock Boots/Torsion Bar Keys
    • Liter: 6.0
    • SubModel: WT
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2016 GMC SIERRA 3500 HD

    • CC: 5967
    • Fitment_Note: U-Bolts/Rear Blocks/Hardware Bag~Incl. SX8000 Shocks/Shock Boots/Torsion Bar Keys~For Use w/Factory Contact Overloads
    • Liter: 6.0
    • SubModel: BASE
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2015 GMC SIERRA 3500 HD

    • CC: 5967
    • Fitment_Note: U-Bolts/Rear Blocks/Hardware Bag~Incl. SX8000 Shocks/Shock Boots/Torsion Bar Keys~For Use w/Factory Contact Overloads
    • Liter: 6.0
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: G
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2016 GMC SIERRA 3500 HD

    • CC: 5967
    • Fitment_Note: U-Bolts/Rear Blocks/Hardware Bag~Incl. SX8000 Shocks/Shock Boots/Torsion Bar Keys~For Use w/Factory Contact Overloads
    • Liter: 6.0
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: G
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2016 GMC SIERRA 3500 HD

    • CC: 5967
    • Fitment_Note: U-Bolts/Rear Blocks/Hardware Bag~Incl. SX8000 Shocks/Shock Boots/Torsion Bar Keys~For Use w/Factory Contact Overloads
    • Liter: 6.0
    • SubModel: SLT
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2016 GMC SIERRA 3500 HD

    • CC: 5967
    • Fitment_Note: U-Bolts/Rear Blocks/Hardware Bag~Incl. SX8000 Shocks/Shock Boots/Torsion Bar Keys~For Use w/Factory Contact Overloads
    • Liter: 6.0
    • SubModel: SLT
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2014-2018 GMC SIERRA 2500 HD

    • Fitment_Note: U-Bolts/Rear Blocks/Hardware Bag~Incl. SX8000 Shocks/Shock Boots/Torsion Bar Keys
    • SubModel: ALL
    • EngineType: ALL

    2018 CHEVROLET SILVERADO 2500 HD

    • CC: 6599
    • Fitment_Note: U-Bolts/Rear Blocks/Hardware Bag~Incl. SX8000 Shocks/Shock Boots/Torsion Bar Keys
    • Liter: 6.6
    • SubModel: WT
    • CUI: 403
    • EngineType: V8 ( 6.6 L / 403 )

    2011-2013 GMC SIERRA 2500 HD

    • Fitment_Note: For Use w/31 in. X 10.50 in. Tires~U-Bolts/Rear Blocks/Hardware Bag~Incl. SX8000 Shocks/Shock Boots/Torsion Bar Keys
    • SubModel: ALL
    • EngineType: ALL

    2015 GMC SIERRA 3500 HD

    • CC: 5967
    • Fitment_Note: U-Bolts/Rear Blocks/Hardware Bag~Incl. SX8000 Shocks/Shock Boots/Torsion Bar Keys~For Use w/Factory Contact Overloads
    • Liter: 6.0
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: B
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2013 GMC SIERRA 3500 HD

    • Fitment_Note: U-Bolts/Rear Blocks/Hardware Bag~Incl. SX8000 Shocks/Shock Boots/Torsion Bar Keys~For Use w/Factory Contact Overloads
    • SubModel: DENALI
    • EngineType: ALL

    2013 CHEVROLET SILVERADO 3500 HD

    • CC: 5967
    • Fitment_Note: U-Bolts/Rear Blocks/Hardware Bag~Incl. SX8000 Shocks/Shock Boots/Torsion Bar Keys~For Use w/Factory Contact Overloads
    • Liter: 6.0
    • SubModel: LT
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2013 GMC SIERRA 3500 HD

    • CC: 6599
    • Fitment_Note: U-Bolts/Rear Blocks/Hardware Bag~Incl. SX8000 Shocks/Shock Boots/Torsion Bar Keys~For Use w/Factory Contact Overloads
    • Liter: 6.6
    • SubModel: SLE
    • CUI: 403
    • EngineType: V8 ( 6.6 L / 403 )

    2014 GMC SIERRA 3500 HD

    • Fitment_Note: U-Bolts/Rear Blocks/Hardware Bag~Incl. SX8000 Shocks/Shock Boots/Torsion Bar Keys~For Use w/Factory Contact Overloads
    • SubModel: ALL
    • EngineType: ALL

    2015-2016 GMC SIERRA 3500 HD

    • CC: 5967
    • Fitment_Note: U-Bolts/Rear Blocks/Hardware Bag~Incl. SX8000 Shocks/Shock Boots/Torsion Bar Keys~For Use w/Factory Contact Overloads
    • Liter: 6.0
    • SubModel: BASE
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2016 GMC SIERRA 3500 HD

    • CC: 5967
    • Fitment_Note: U-Bolts/Rear Blocks/Hardware Bag~Incl. SX8000 Shocks/Shock Boots/Torsion Bar Keys~For Use w/Factory Contact Overloads
    • Liter: 6.0
    • SubModel: SLE
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2016 GMC SIERRA 3500 HD

    • CC: 5967
    • Fitment_Note: U-Bolts/Rear Blocks/Hardware Bag~Incl. SX8000 Shocks/Shock Boots/Torsion Bar Keys~For Use w/Factory Contact Overloads
    • Liter: 6.0
    • Aspiration: N
    • SubModel: SLE
    • Engine Vin: G
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2013 CHEVROLET SILVERADO 3500 HD

    • CC: 5967
    • Fitment_Note: U-Bolts/Rear Blocks/Hardware Bag~Incl. SX8000 Shocks/Shock Boots/Torsion Bar Keys~For Use w/Factory Contact Overloads
    • Liter: 6.0
    • SubModel: WT
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2018 CHEVROLET SILVERADO 2500 HD

    • Fitment_Note: U-Bolts/Rear Blocks/Hardware Bag~Incl. SX8000 Shocks/Shock Boots/Torsion Bar Keys
    • SubModel: HIGH COUNTRY
    • EngineType: ALL

    2015 GMC SIERRA 3500 HD

    • Fitment_Note: U-Bolts/Rear Blocks/Hardware Bag~Incl. SX8000 Shocks/Shock Boots/Torsion Bar Keys~For Use w/Factory Contact Overloads
    • SubModel: SLT
    • EngineType: ALL

    2016 GMC SIERRA 3500 HD

    • CC: 5967
    • Fitment_Note: U-Bolts/Rear Blocks/Hardware Bag~Incl. SX8000 Shocks/Shock Boots/Torsion Bar Keys~For Use w/Factory Contact Overloads
    • Liter: 6.0
    • SubModel: SLE
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2018 CHEVROLET SILVERADO 2500 HD

    • CC: 6599
    • Fitment_Note: U-Bolts/Rear Blocks/Hardware Bag~Incl. SX8000 Shocks/Shock Boots/Torsion Bar Keys
    • Liter: 6.6
    • SubModel: LTZ
    • CUI: 403
    • EngineType: V8 ( 6.6 L / 403 )

    2011-2013 CHEVROLET SILVERADO 2500 HD

    • Fitment_Note: For Use w/31 in. X 10.50 in. Tires~U-Bolts/Rear Blocks/Hardware Bag~Incl. SX8000 Shocks/Shock Boots/Torsion Bar Keys
    • SubModel: ALL
    • EngineType: ALL

    2016 GMC SIERRA 3500 HD

    • CC: 6599
    • Fitment_Note: U-Bolts/Rear Blocks/Hardware Bag~Incl. SX8000 Shocks/Shock Boots/Torsion Bar Keys~For Use w/Factory Contact Overloads
    • Liter: 6.6
    • SubModel: SLE
    • CUI: 403
    • EngineType: V8 ( 6.6 L / 403 )

    2018 CHEVROLET SILVERADO 2500 HD

    • CC: 6599
    • Fitment_Note: U-Bolts/Rear Blocks/Hardware Bag~Incl. SX8000 Shocks/Shock Boots/Torsion Bar Keys
    • Liter: 6.6
    • SubModel: LT
    • CUI: 403
    • EngineType: V8 ( 6.6 L / 403 )

    2017-2018 GMC SIERRA 3500 HD

    • Fitment_Note: U-Bolts/Rear Blocks/Hardware Bag~Incl. SX8000 Shocks/Shock Boots/Torsion Bar Keys~For Use w/Factory Contact Overloads
    • SubModel: ALL
    • EngineType: ALL
    Some parts are not legal for use in California or other states with similar laws / regulations