The Tamiya 7800173 Internal Hose is manufactured to fit inside Tamiya Spray-Work units 74501 and 74520, ensuring internal air routing is correct for consistent spraying. It is a straightforward service part for model painters.
Specifically made for Spray-Work models 74501 and 74520, this hose helps preserve airflow integrity inside the unit. It supports consistent pressure and prevents internal leaks that can affect finish quality.
Fitting the internal hose is uncomplicated and can be completed during routine servicing. Check the seating of the hose and any small seals to ensure a snug, leak-free installation.
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