O-ring, 58 x 2 mm – Viton, Part# 20009402 – vacstellar

This O-ring is a small but very useful part in your vacuum pump. It is made from Viton, a strong rubber that handles heat and chemicals without any trouble. The inside diameter is 58 mm and the thickness is 2 mm, so it fits perfectly in its place.

It is designed for Leybold Trivac pumps, especially the D40BCS and D65BCS models. You will often find this O-ring in the oil filter area or during general maintenance. It blocks air, oil, or dirt from leaking, which keeps the pump working well and prevents small issues from becoming big ones.

If you are servicing your Trivac pump, this O-ring is an easy and dependable replacement. It is simple to install and helps your equipment stay reliable for a long time. Many technicians keep a couple on hand for regular upkeep.