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-esi9981772
- 2011-chevrolet-silverado-2500-hd-ltz-esi1160938
- 2011-chevrolet-silverado-2500-hd-wt-esi8399823
- 2011-gmc-sierra-2500-hd-denali-esi9495952
- 2011-gmc-sierra-2500-hd-sle-esi7969168
- 2011-gmc-sierra-2500-hd-slt-esi9312490
- 2011-gmc-sierra-2500-hd-wt-esi3057853
- 2012-chevrolet-silverado-2500-hd-lt-esi3078326
- 2012-chevrolet-silverado-2500-hd-ltz-esi3328711
- 2012-chevrolet-silverado-2500-hd-wt-esi9670966
- 2012-gmc-sierra-2500-hd-denali-esi7687824
- 2012-gmc-sierra-2500-hd-sle-esi6302310
- 2012-gmc-sierra-2500-hd-slt-esi8868856
- 2012-gmc-sierra-2500-hd-wt-esi9401924
- 2013-chevrolet-silverado-2500-hd-lt-esi9598232
- 2013-chevrolet-silverado-2500-hd-ltz-esi3706192
- 2013-chevrolet-silverado-2500-hd-wt-esi2262920
- 2013-gmc-sierra-2500-hd-denali-esi5422305
- 2013-gmc-sierra-2500-hd-sle-esi4907375
- 2013-gmc-sierra-2500-hd-slt-esi9079080
- 2013-gmc-sierra-2500-hd-wt-esi9658928
- 2014-chevrolet-silverado-2500-hd-lt-esi9642707
- 2014-chevrolet-silverado-2500-hd-ltz-esi7697948
- 2014-chevrolet-silverado-2500-hd-wt-esi2881801
- 2014-gmc-sierra-2500-hd-denali-esi4964160
- 2014-gmc-sierra-2500-hd-sle-esi4991270
- 2014-gmc-sierra-2500-hd-slt-esi9234293
- 2014-gmc-sierra-2500-hd-wt-esi3636599
- 2015-chevrolet-silverado-2500-hd-high-country-esi6539781
- 2015-chevrolet-silverado-2500-hd-lt-esi2433311
- 2015-chevrolet-silverado-2500-hd-ltz-esi7835643
- 2015-chevrolet-silverado-2500-hd-wt-esi1004467
- 2015-gmc-sierra-2500-hd-base-esi1834278
- 2015-gmc-sierra-2500-hd-denali-esi6135657
- 2015-gmc-sierra-2500-hd-sle-esi8067530
- 2015-gmc-sierra-2500-hd-slt-esi9492804
- 2016-chevrolet-silverado-2500-hd-high-country-esi9640162
- 2016-chevrolet-silverado-2500-hd-lt-esi5107609
- 2016-chevrolet-silverado-2500-hd-ltz-esi3585083
- 2016-chevrolet-silverado-2500-hd-wt-esi6025635
- 2016-gmc-sierra-2500-hd-base-esi4456701
- 2016-gmc-sierra-2500-hd-denali-esi2387253
- 2016-gmc-sierra-2500-hd-sle-esi8880496
- 2016-gmc-sierra-2500-hd-slt-esi5381564
- 2017-chevrolet-silverado-2500-hd-high-country-esi2886627
- 2017-chevrolet-silverado-2500-hd-lt-esi5754854
- 2017-chevrolet-silverado-2500-hd-ltz-esi8217728
- 2017-chevrolet-silverado-2500-hd-wt-esi3146298
- 2017-gmc-sierra-2500-hd-base-esi3918930
- 2017-gmc-sierra-2500-hd-denali-esi9581966
- 2017-gmc-sierra-2500-hd-sle-esi5424419
- 2017-gmc-sierra-2500-hd-slt-esi2579840
- 2018-gmc-sierra-2500-hd-base-esi4908351
- 2018-gmc-sierra-2500-hd-denali-esi4866860
- 2018-gmc-sierra-2500-hd-sle-esi3618216
- 2018-gmc-sierra-2500-hd-slt-esi8595929
- 2019-gmc-sierra-2500-hd-base-esi7498959
- 2019-gmc-sierra-2500-hd-denali-esi8191700
- 2019-gmc-sierra-2500-hd-sle-esi9344311
- 2019-gmc-sierra-2500-hd-slt-esi9447546
- 2019-gmc-sierra-3500-hd-base-esi5726263
- 2019-gmc-sierra-3500-hd-denali-esi4340704
- 2019-gmc-sierra-3500-hd-sle-esi9541976
- 2019-gmc-sierra-3500-hd-slt-esi5145014
- 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:K1121
- Non-CARB:N
- Prop65:Y
- SpecialOrder:Y
- Suspension>Lift Kits