Hertz HGS/HCS 3 · 4 · 5 & 7 (Pre-2025 Models) Genuine OEM Compressor Service Kit (Minor & Intermediate)

Keep your Hertz HGS (variable-speed) and HCS (fixed-speed) rotary screw compressors – 3 kW (4 HP), 4 kW (5.5 HP), 5.5 kW (7.5 HP), and 7.5 kW (10 HP) models manufactured before 2025 – operating at factory-fresh efficiency with these Genuine OEM Service Kits.

Choose the correct kit for your scheduled service:

• Minor Service Kit – 2,000-hour / annual maintenance
• Intermediate Service Kit – 4,000-hour / major service (includes everything in Minor + air/oil separator)

All parts are 100% genuine Hertz Kompressoren OEM specifically for pre-2025 HGS3, HGS4, HGS5, HGS7, HCS3, HCS4, HCS5, and HCS7 units, ensuring exact compatibility, full warranty compliance, optimum energy savings (especially on HGS variable-speed models), and maximum compressor life.

Minor Service Kit Includes:

• Genuine air filter element
• Oil filter cartridge
• Hertz Smart Oil (food-grade synthetic lubricant – exact quantity for 3–7.5 kW sump)
• Full seal kit (gaskets, O-rings, washers)
• Pneumatic hoses (where applicable)
• Pre-filter / intake pre-filtration element

Intermediate Service Kit Includes Everything in Minor Kit PLUS:

• Air/oil separator element (spin-on type specific to pre-2025 HGS/HCS 3–7 models)

Why Genuine OEM for Pre-2025 HGS/HCS 3–7?

• Perfect fit for older-generation variable-speed (HGS) and fixed-speed (HCS) machines built before 2025
• Maintains precise oil separation and clean air delivery (up to ~1.2 m³/min)
• Protects inverter drive (HGS models) and screw block from wear
• German-engineered quality trusted worldwide
• Ideal for small workshops, garages, dental/medical practices, food production, and any 7.5–10 bar application

Do not use newer 2025+ kits or aftermarket parts on pre-2025 machines — order your Hertz HGS/HCS 3-4-5-7 Pre-2025 Genuine OEM Service Kit today for correct, hassle-free maintenance.

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