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Find the right heaters, O-rings, thermal switches, oil, sight glass, or other spare parts or consumables for your Agilent or Varian diffusion pump to keep its performance at peak levels. Only parts from the original equipment manufacturer ensure fit, form, and function for your diffusion pump. Common spare parts and consumables are stocked for fast delivery and can be ordered easily on our online store.|Use the online chat to talk to our experts and identify the right parts for your diffusion pump or to get advice on achieving optimal pump performance.