I have an option for you, but unfortunately the Warner 1300-80 you have has been discontinued for a while now.
The only air to electric brake controller we offer now is the Hayes # HA100400C which will be pretty easy to install. Just cut the 4 wires off of your current controller, and wire them in the exact same way to the new # HA100400C. You'll just need to connect the air line, and install the new mounting bracket as well to finish it up. view full answer...
Usually a light's actual part number is found on the base portion rather than the lens. I could not find any lights or light parts using the code you provided, Z4-738-WC.
But we do have lots of replacement light as well as replacement lens parts. I included two links for you; one to complete interior lights and one to replacement parts for interior lights.
If you cannot find a lens to match your original you may be able to find a whole new light assembly that will fit. If you do end up... view full answer...
The Hayes Air Actuated Brake Control, # HA100400C, will work on your 2002 International 4400 truck as long as you have an air line connection and trailer connector to plug your trailer up to your truck.
You will need to wire the three wires coming out of the Warner controller as followed: BLACK is to 12-volt power, the RED will wire to the your brake light switch on your brake pedal, and the BLUE wire will wire into the 7-way connector to run the brake signal to the trailer when it is... view full answer...