KYB Gas‑A‑Just rear shock specified for 2019–2021 GMC Sierra 1500 models, excluding AT4 trims and vehicles equipped with the Off Road Suspension or Z85 package. The Gas‑A‑Just design delivers firmer damping and improved control compared with worn originals while mounting to factory locations. It’s intended as a direct-fit rear replacement for the listed Sierra configurations to restore ride stability and handling responsiveness.
KYB 19-21 GMC Sierra 1500 (Exc. AT4) (w/o Off Road Susp. & Z85 Package) Gas-A-Just Shock - Rear