Hertz HGS / HCS Pre 2025 3/4/5/7 Intermediate Service Kit

Keep Hertz HGS / HCS rotary screw air compressors running at peak efficiency with the Pre 2025 Intermediate Service Kit for models 3/4/5/7. This comprehensive kit provides all the essential wear items and filters needed for mid-cycle maintenance: air filter, oil filter, Smart Oil, seal kit, pneumatic hoses, plus a pre-filter and separator. Specifically designed for intermediate service on pre-2025 HGS and HCS units, it helps maintain clean intake air, protect the oil system, and extend service intervals. The kit is built to Hertz’s quality standards and is compatible with the compact, belt-driven, oil-injected rotary screw platforms used in small to mid-size workshops. Replacing worn components with this kit supports reliable air flow, stable pressure, and efficient operation, reducing downtime and preserving optimal CFM delivery. Each component is selected to deliver consistent performance in line with Hertz’s ISO 1217:2009 Annex E testing for free air delivery. Ideal for service professionals and shop-floor maintenance, this kit keeps your air compressor ready for continuous operation.