local model = script.Parent
while not script.Parent:FindFirstChild("Version") do wait(0) end;
local modelVersion = model.Version.Value;
local modelID =101162597  -- Change this to the model id of the model you created earlier

function checkForUpdate()
    -- Get the newest version of the model from the catalog
    local newModel = game:GetService("InsertService"):LoadAsset(101162597)

    -- If the catalog model is newer than the one in game
    if newModel and newModel:FindFirstChild("Version") and newModel.Version:IsA("IntValue") and newModel.Version.Value > modelVersion then
         -- Replace it
         newModel.Parent = model.Parent
         model:Destroy()
    end
end

-- Once the asset is loaded into the ROBLOX cache, it will always be the same.  Only call this once.
checkForUpdate()