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 |
|---|---|---|---|
| 2015-2017 | Chevrolet | Silverado 2500 HD | High Country |
| 2011-2017 | Chevrolet | Silverado 2500 HD | LT |
| 2011-2017 | Chevrolet | Silverado 2500 HD | LTZ |
| 2011-2017 | Chevrolet | Silverado 2500 HD | WT |
| 2015-2019 | GMC | Sierra 2500 HD | Base |
| 2011-2019 | GMC | Sierra 2500 HD | Denali |
| 2011-2019 | GMC | Sierra 2500 HD | SLE |
| 2011-2019 | GMC | Sierra 2500 HD | SLT |
| 2011-2014 | GMC | Sierra 2500 HD | WT |
| 2019 | GMC | Sierra 3500 HD | Base |
| 2019 | GMC | Sierra 3500 HD | Denali |
| 2019 | GMC | Sierra 3500 HD | SLE |
| 2019 | GMC | Sierra 3500 HD | SLT |
- 2011-chevrolet-silverado-2500-hd-lt-esi7073394
- 2011-chevrolet-silverado-2500-hd-ltz-esi6743282
- 2011-chevrolet-silverado-2500-hd-wt-esi3107510
- 2011-gmc-sierra-2500-hd-denali-esi9279496
- 2011-gmc-sierra-2500-hd-sle-esi8638157
- 2011-gmc-sierra-2500-hd-slt-esi9553305
- 2011-gmc-sierra-2500-hd-wt-esi7173997
- 2012-chevrolet-silverado-2500-hd-lt-esi6002782
- 2012-chevrolet-silverado-2500-hd-ltz-esi5252602
- 2012-chevrolet-silverado-2500-hd-wt-esi7676266
- 2012-gmc-sierra-2500-hd-denali-esi5123160
- 2012-gmc-sierra-2500-hd-sle-esi3901322
- 2012-gmc-sierra-2500-hd-slt-esi9960383
- 2012-gmc-sierra-2500-hd-wt-esi1877130
- 2013-chevrolet-silverado-2500-hd-lt-esi9983721
- 2013-chevrolet-silverado-2500-hd-ltz-esi4786047
- 2013-chevrolet-silverado-2500-hd-wt-esi3805033
- 2013-gmc-sierra-2500-hd-denali-esi5727157
- 2013-gmc-sierra-2500-hd-sle-esi2183395
- 2013-gmc-sierra-2500-hd-slt-esi5997006
- 2013-gmc-sierra-2500-hd-wt-esi5621204
- 2014-chevrolet-silverado-2500-hd-lt-esi1795312
- 2014-chevrolet-silverado-2500-hd-ltz-esi7636185
- 2014-chevrolet-silverado-2500-hd-wt-esi3270023
- 2014-gmc-sierra-2500-hd-denali-esi1796388
- 2014-gmc-sierra-2500-hd-sle-esi9809238
- 2014-gmc-sierra-2500-hd-slt-esi2875420
- 2014-gmc-sierra-2500-hd-wt-esi5556205
- 2015-chevrolet-silverado-2500-hd-high-country-esi6788194
- 2015-chevrolet-silverado-2500-hd-lt-esi4008125
- 2015-chevrolet-silverado-2500-hd-ltz-esi6620577
- 2015-chevrolet-silverado-2500-hd-wt-esi1637633
- 2015-gmc-sierra-2500-hd-base-esi2589924
- 2015-gmc-sierra-2500-hd-denali-esi8075030
- 2015-gmc-sierra-2500-hd-sle-esi6730510
- 2015-gmc-sierra-2500-hd-slt-esi4658198
- 2016-chevrolet-silverado-2500-hd-high-country-esi9988427
- 2016-chevrolet-silverado-2500-hd-lt-esi8074935
- 2016-chevrolet-silverado-2500-hd-ltz-esi7047204
- 2016-chevrolet-silverado-2500-hd-wt-esi3348820
- 2016-gmc-sierra-2500-hd-base-esi7926775
- 2016-gmc-sierra-2500-hd-denali-esi6184416
- 2016-gmc-sierra-2500-hd-sle-esi8866891
- 2016-gmc-sierra-2500-hd-slt-esi3700748
- 2017-chevrolet-silverado-2500-hd-high-country-esi6076729
- 2017-chevrolet-silverado-2500-hd-lt-esi3688627
- 2017-chevrolet-silverado-2500-hd-ltz-esi2868778
- 2017-chevrolet-silverado-2500-hd-wt-esi3029984
- 2017-gmc-sierra-2500-hd-base-esi9760649
- 2017-gmc-sierra-2500-hd-denali-esi7517826
- 2017-gmc-sierra-2500-hd-sle-esi9690434
- 2017-gmc-sierra-2500-hd-slt-esi3837963
- 2018-gmc-sierra-2500-hd-base-esi8627105
- 2018-gmc-sierra-2500-hd-denali-esi2793651
- 2018-gmc-sierra-2500-hd-sle-esi5025929
- 2018-gmc-sierra-2500-hd-slt-esi2071543
- 2019-gmc-sierra-2500-hd-base-esi7362221
- 2019-gmc-sierra-2500-hd-denali-esi7156253
- 2019-gmc-sierra-2500-hd-sle-esi4180223
- 2019-gmc-sierra-2500-hd-slt-esi5678975
- 2019-gmc-sierra-3500-hd-base-esi6597903
- 2019-gmc-sierra-3500-hd-denali-esi5593116
- 2019-gmc-sierra-3500-hd-sle-esi2908947
- 2019-gmc-sierra-3500-hd-slt-esi6369316
- ClearanceItem:N
- EPA:N/A
- fits_2015-2018`Chevrolet`Silverado 2500 HD`High Country~2011-2018`Chevrolet`Silverado 2500 HD`LT~2011-2018`Chevrolet`Silverado 2500 HD`LTZ~2011-2018`Chevrolet`Silverado 2500 HD`WT~2018`Chevrolet`Silverado 3500 HD`High Country
- fits_2018`Chevrolet`Silverado 3500 HD`LTZ~2018`Chevrolet`Silverado 3500 HD`WT~2015-2019`GMC`Sierra 2500 HD`Base~2011-2019`GMC`Sierra 2500 HD`Denali~2011-2019`GMC`Sierra 2500 HD`SLE~2011-2019`GMC`Sierra 2500 HD`SLT~2011-2014`GMC`Sierra 2500 HD`WT
- fits_2018`GMC`Sierra 3500 HD`Denali~2018`GMC`Sierra 3500 HD`SLE~2018`GMC`Sierra 3500 HD`SLT
- LTL:N
- MPN:K1121M
- Non-CARB:N
- Prop65:Y
- SpecialOrder:Y
- Suspension>Lift Kits