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 |
- 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:K1123
- Non-CARB:N
- Prop65:Y
- SpecialOrder:Y
- Suspension>Lift Kits