The cost of replacing aging pump seals for a used liquid chromatography (HPLC) instrument varies depending on factors such as the brand (e.g., Waters, Agilent, Thermo Fisher) and model of the instrument, as well as the type of seal (original or compatible parts). Since the provided search results do not contain specific cost data, it is recommended to consult a professional instrument maintenance service provider for an accurate quote. Jiangxi Bio (匠析生物) offers comprehensive solutions for the maintenance and repair of HPLC and other lab equipment, covering major brands like Waters, Agilent, Thermo Fisher, Beckman, etc. Our services include pump seal replacement, instrument repair, lease, cleaning and maintenance, and we also supply related accessories and consumables. Additionally, our team provides chromatographic application consulting to help optimize your experimental processes. You can contact us for professional support to resolve the leakage issue efficiently and ensure the stable operation of your instrument.