The hatch cover 150.45.319 is installed on the inside of the door 150.45.012-1 and is fixed using M6-6g×12.58-099 screws in accordance with GOST 1490-62 and washers 6.65G.05 in accordance with GOST 6402-70. The part closes the technological opening in the door, providing a neat appearance and protecting the internal elements of the window lifter and lock mechanism from dust and dirt. It is used inside the cabins of HTZ tractors of various models, such as T-150, T-151, T-156 and others.