MANUFACTURER PART NUMBER: TC28150031. SILVERADO 1500 CUSTOM 8 CYL 5.3L 2016 RWD, CAST IRON ARM, EXCEPT RPO CODE AVV MID-YEAR MODEL CHANGE, WITHOUT ALUMINUM STEERING KNUCKLES. SILVERADO 1500 CUSTOM 6 CYL 4.3L 2016 RWD, CAST IRON ARM, EXCEPT RPO CODE AVV MID-YEAR MODEL CHANGE, WITHOUT ALUMINUM STEERING KNUCKLES.
