Brand New in the Box - Fit and Quality Guaranteed! WARNING: This product can expose you to chemicals including Chromium, which is known to the State of California to cause cancer and birth defects or other reproductive harm. Compatible with the following vehicles. 2021 2500 Limited Longhorn Crew Cab. 2021 2500 Limited Longhorn Mega Cab.2021 3500 Limited Longhorn Crew Cab. 2021 3500 Limited Longhorn Mega Cab.