Plug,Screw Part No.# 415503596 -vacstellar

Vacuum pumps have various ports for filling oil, checking pressure, or for maintenance access. This screw is designed to close those openings perfectly. 

Its job is simple but critical. First, it prevents leaks. A vacuum pump needs a tight seal to work correctly. Even a small leak can reduce its power and efficiency. Second, it keeps out contaminants. Dust, dirt, or moisture can get inside and damage the pump’s oil and internal parts.

This isn’t just any screw. It is the original part, number 415503596. It is made to the exact size and thread specification for a perfect fit. Using the correct plug ensures a proper seal and avoids damage to the pump’s threads.

Replacing a lost or damaged plug with this part is a quick fix. It helps maintain your pump’s performance and protects your investment.