Fabtechs new 4 crossmember systems utilize their proven heavy duty construction and design features for a robust suspension upgrade. The 4 system features high arched lower control arm crossmembers constructed of 1/4 thick steel for maximum strength. The Fabtech ductile iron steering knuckles retain the near stock track width keeping tires under the fender for a clean appearance. Rear lift is accomplished with a block and u bolt configuration.
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2015-2019 | Chevrolet | Silverado 3500 HD | High Country |
| 2011-2019 | Chevrolet | Silverado 3500 HD | LT |
| 2011-2019 | Chevrolet | Silverado 3500 HD | LTZ |
| 2011-2019 | Chevrolet | Silverado 3500 HD | WT |
| 2015-2018 | GMC | Sierra 3500 HD | Base |
| 2011-2019 | GMC | Sierra 3500 HD | Denali |
| 2011-2019 | GMC | Sierra 3500 HD | SLE |
| 2011-2019 | GMC | Sierra 3500 HD | SLT |
| 2011-2014 | GMC | Sierra 3500 HD | WT |
- 2011-chevrolet-silverado-3500-hd-lt-esi2211284
- 2011-chevrolet-silverado-3500-hd-ltz-esi4360159
- 2011-chevrolet-silverado-3500-hd-wt-esi3120839
- 2011-gmc-sierra-3500-hd-denali-esi3813736
- 2011-gmc-sierra-3500-hd-sle-esi2769820
- 2011-gmc-sierra-3500-hd-slt-esi7575317
- 2011-gmc-sierra-3500-hd-wt-esi4102433
- 2012-chevrolet-silverado-3500-hd-lt-esi7676828
- 2012-chevrolet-silverado-3500-hd-ltz-esi5165731
- 2012-chevrolet-silverado-3500-hd-wt-esi9027549
- 2012-gmc-sierra-3500-hd-denali-esi7786819
- 2012-gmc-sierra-3500-hd-sle-esi8368645
- 2012-gmc-sierra-3500-hd-slt-esi6146345
- 2012-gmc-sierra-3500-hd-wt-esi4860884
- 2013-chevrolet-silverado-3500-hd-lt-esi6187124
- 2013-chevrolet-silverado-3500-hd-ltz-esi5513616
- 2013-chevrolet-silverado-3500-hd-wt-esi5337758
- 2013-gmc-sierra-3500-hd-denali-esi3363350
- 2013-gmc-sierra-3500-hd-sle-esi3875671
- 2013-gmc-sierra-3500-hd-slt-esi4452869
- 2013-gmc-sierra-3500-hd-wt-esi7970899
- 2014-chevrolet-silverado-3500-hd-lt-esi7010241
- 2014-chevrolet-silverado-3500-hd-ltz-esi1656988
- 2014-chevrolet-silverado-3500-hd-wt-esi1839403
- 2014-gmc-sierra-3500-hd-denali-esi7523524
- 2014-gmc-sierra-3500-hd-sle-esi3380726
- 2014-gmc-sierra-3500-hd-slt-esi5207476
- 2014-gmc-sierra-3500-hd-wt-esi3907897
- 2015-chevrolet-silverado-3500-hd-high-country-esi5862618
- 2015-chevrolet-silverado-3500-hd-lt-esi3692601
- 2015-chevrolet-silverado-3500-hd-ltz-esi8167708
- 2015-chevrolet-silverado-3500-hd-wt-esi9601736
- 2015-gmc-sierra-3500-hd-base-esi8963617
- 2015-gmc-sierra-3500-hd-denali-esi4792171
- 2015-gmc-sierra-3500-hd-sle-esi4404804
- 2015-gmc-sierra-3500-hd-slt-esi9928589
- 2016-chevrolet-silverado-3500-hd-high-country-esi3327529
- 2016-chevrolet-silverado-3500-hd-lt-esi5052526
- 2016-chevrolet-silverado-3500-hd-ltz-esi8305490
- 2016-chevrolet-silverado-3500-hd-wt-esi8154950
- 2016-gmc-sierra-3500-hd-base-esi3018492
- 2016-gmc-sierra-3500-hd-denali-esi7550538
- 2016-gmc-sierra-3500-hd-sle-esi5563181
- 2016-gmc-sierra-3500-hd-slt-esi7695670
- 2017-chevrolet-silverado-3500-hd-high-country-esi1893869
- 2017-chevrolet-silverado-3500-hd-lt-esi3217074
- 2017-chevrolet-silverado-3500-hd-ltz-esi6174818
- 2017-chevrolet-silverado-3500-hd-wt-esi5985753
- 2017-gmc-sierra-3500-hd-base-esi6107314
- 2017-gmc-sierra-3500-hd-denali-esi3571210
- 2017-gmc-sierra-3500-hd-sle-esi8260090
- 2017-gmc-sierra-3500-hd-slt-esi6494066
- 2018-chevrolet-silverado-3500-hd-high-country-esi2140774
- 2018-chevrolet-silverado-3500-hd-lt-esi8963822
- 2018-chevrolet-silverado-3500-hd-ltz-esi9731656
- 2018-chevrolet-silverado-3500-hd-wt-esi6629251
- 2018-gmc-sierra-3500-hd-base-esi4479426
- 2018-gmc-sierra-3500-hd-denali-esi4387256
- 2018-gmc-sierra-3500-hd-sle-esi9421923
- 2018-gmc-sierra-3500-hd-slt-esi4419571
- 2019-chevrolet-silverado-3500-hd-high-country-esi6963844
- 2019-chevrolet-silverado-3500-hd-lt-esi4232386
- 2019-chevrolet-silverado-3500-hd-ltz-esi1614820
- 2019-chevrolet-silverado-3500-hd-wt-esi5162340
- 2019-gmc-sierra-3500-hd-denali-esi7054256
- 2019-gmc-sierra-3500-hd-sle-esi9982231
- 2019-gmc-sierra-3500-hd-slt-esi2922433
- ClearanceItem:N
- EPA:N/A
- fits_2011-2018`GMC`Sierra 3500 HD`SLT~2011-2014`GMC`Sierra 3500 HD`WT
- fits_2011-2019`Chevrolet`Silverado 3500 HD`WT~2018`GMC`Sierra 2500 HD`Base~2018`GMC`Sierra 2500 HD`Denali~2018`GMC`Sierra 2500 HD`SLE~2018`GMC`Sierra 2500 HD`SLT~2015-2018`GMC`Sierra 3500 HD`Base~2011-2018`GMC`Sierra 3500 HD`Denali
- fits_2018`Chevrolet`Silverado 2500 HD`High Country~2018`Chevrolet`Silverado 2500 HD`LT~2018`Chevrolet`Silverado 2500 HD`LTZ~2018`Chevrolet`Silverado 2500 HD`WT~2015-2019`Chevrolet`Silverado 3500 HD`High Country~2011-2019`Chevrolet`Silverado 3500 HD`LT
- LTL:N
- MPN:K1123M
- Non-CARB:N
- Prop65:Y
- SpecialOrder:Y
- Suspension>Lift Kits