Global Link is a very common brand, especially when it comes to replacement locks for RVs like your 2018 Forest River Cardinal Luxury 3456RLX. To determine if the Global Link RV Entry Door Locking Latch Kit # 295-000019 is the correct replacement for your RV you'll need to match the specs of this to what you already have:
This lock kit fits doors that are 1-1/4" to 1-1/2" thick and installs into latch cutouts measuring 2-1/2" wide x 3-1/2" tall to 3" wide x 4" tall. If this matches what... view full answer...