Two stage screw compressors deliver higher pressure with lower noise and improved efficiency, making them ideal for professional workshops and industrial use. This article highlights five compatible pump heads and related components that support two-stage or twin-cylinder configurations, plus practical buying considerations to help you choose the right upgrade or replacement.
| Product | Brand | Key Benefit | Approx. Power |
|---|---|---|---|
| Twin Cylinder 2-Stage Air Compressor Head | SODONAD | High efficiency, whole-house replacement head for two-stage setups | 4KW / 5.5HP |
| Uphilltool Air Compressor Pump Head | Uphilltool | 5.5HP motor, dual-cylinder cooling, low noise operation | 5.5HP / 4000W |
| KONKENIE 2HP Twin Cylinder Head | KONKENIE | Twin-cylinder, efficient V-Type design for smooth running | 2HP / ~1.5kW |
| 2HP Cast Iron Air Compressor Pump Universal Replacement | compressor-source | Heavy-duty two-cylinder, compatible with multiple brands | 5.5 SCFM at 90 PSI |
| Air Compressor Pump Head 5.5HP 4KW 175PSI V-Type Twin Cylinder | Uphilltool | High-pressure twin-cylinder design with strong cooling | 5.5HP / 4000W |
style=”margin-top:24px;”>Twin Cylinder 2-Stage Air Compressor Head

Designed for two-stage operation, this replacement head features a 4KW (5.5HP) drive with a 800 RPM rating and 3.54″ cylinder diameter. It supports high exhaust volumes and has a robust cooling design to maintain performance under heavy use. The unit emphasizes a compact footprint with precise alignment for reduced vibration and longer life. Suitable for factory, auto repair, and painting applications where consistent pressure is essential.
style=”margin-top:24px;”>Air Compressor Pump Head 5.5HP 4KW 175PSI Twin Cylinder

This V-Type twin-cylinder head delivers up to 175 PSI with a rated exhaust volume around 0.6 L/Min and a design focused on good cooling and efficiency. It emphasizes smooth running with balanced pulley alignment to minimize vibration. The setup is well-suited for long-running tasks in automotive, painting, and light manufacturing environments.
style=”margin-top:24px;”>KONKENIE 1500W 2HP Twin Cylinder Head

Engineered for smooth operation, this V-Type twin-cylinder head runs at 1050–1100 RPM with a 170 L/min exhaust capacity. It combines a robust valve-steel construction with a targeted cooling blade. The unit is positioned for factory or heavy-use settings where dependable, consistent air delivery is required.
style=”margin-top:24px;”>2HP Cast Iron Air Compressor Pump Replacement

This heavy-duty, two-cylinder cast iron pump is designed for tanks up to 40 gallons and delivers up to 5.5 SCFM at 90 PSI. It serves as a compatible replacement for several popular models and features an aluminum head for efficient heat dissipation, an oil sight glass for monitoring, and a secure dual-set-screw pulley for stability during operation.
style=”margin-top:24px;”>7.5HP/5.5kw Variable Speed Rotary Screw with 30 Gal Tank

This unit combines variable-speed drive with a portable 30-gallon tank and casters, offering energy-efficient operation and soft-start capabilities. It supports continuous duty in a range of applications including automotive repair, woodworking, and spray finishing. The inverter-driven motor allows real-time speed adjustments to match air demand while maintaining stable pressure.
Buying Guide
Key considerations when selecting a two-stage screw compressor head or a compatible upgrade head:
- Two-stage capability: Confirm the head’s compatibility with dual-cylinder, two-stage setups, and suitable RPM ranges for efficient compression at higher pressures.
- Power and pressure: Match motor power (HP/kW) and maximum PSI to your workload. Higher PSI needs robust cooling and strong exhaust flow.
- Cooling and materials: Cast iron blocks with aluminum heads offer better heat dissipation and longevity in demanding environments.
- Assembly alignment: Precise belt and pulley alignment reduces vibration, noise, and wear on bearings.
- Oil and filtration: Look for built-in sight glasses and leak-free oil return systems to sustain performance and reduce maintenance.
- Mounting and portability: For shops, consider casters, handles, and overall footprint to fit space constraints and mobility needs.
- Noise levels: In enclosed or noise-sensitive spaces, prioritize designs with cooling features and reduced motor speed through inverter controls.
- Compatibility: Ensure the head is compatible with your existing tank size, piping layout, and brand ecosystem to minimize adaptation work.
- Maintenance access: Choose models with easy access to service ports, filters, and oiling points to minimize downtime.
- Warranty and support: Favor reputable brands or widely supported replacements to simplify future sourcing and service.
Across the options above, twin-cylinder designs emphasize durability and steady air delivery, especially in continuous-duty scenarios. For vintage or mixed-brand systems, universal replacement heads can extend service life while preserving performance. When evaluating, map your current system’s tank size, desired pressure, and typical duty cycle to pick a head that aligns with your operational goals.