Gamber-Johnson vehicle base mounting kit 590GBL000906 fits 2019+ Chevrolet Silverado and GMC Sierra vehicles. It also fits 2021+ Chevrolet Tahoe vehicles with the new body style. The supplied product type is a mounting kit. Vehicle fitment is the defining selection criterion for this kit: 2019+ Silverado, 2019+ Sierra, and 2021+ Tahoe new body style. Buyers selecting hardware for these listed vehicle applications can select this item as a vehicle base mounting kit supplied by Gamber Johnson. For vehicle deployments using the listed Chevrolet or GMC platforms, order code 590GBL000906 denotes this Gamber-Johnson mounting kit. Confirm the vehicle model year and, for Chevrolet Tahoe vehicles, the new body style designation against the listed fitment.