
Mastercraft® Replacement Motor for Critical HEPA 5G, 7G & 9G Vacuums and Pump Out Vacuum — 2-Stage Bypass, 900W, 120V AC
Mastercraft® Replacement Motor for Critical HEPA 5G, 7G & 9G Vacuums and Pump Out Vacuum — 2-Stage Bypass, 900W, 120V AC The Mastercraft® Replacement Motor for Critical HEPA 5G, 7G & 9G Vacuums and Pump Out V...
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Mastercraft® Replacement Motor for Critical HEPA 5G, 7G & 9G Vacuums and Pump Out Vacuum — 2-Stage Bypass, 900W, 120V AC
Mastercraft® Replacement Motor for Critical HEPA 5G, 7G & 9G Vacuums and Pump Out Vacuum — 2-Stage Bypass, 900W, 120V AC The Mastercraft® Replacement Motor for Critical HEPA 5G, 7G & 9G Vacuums and Pump Out Vacuum is a heavy-duty 2-stage bypass vacuum motor designed for continuous-duty performance in critical HEPA and pump-out vacuum applications. Its bypass design keeps the motor core isolated from the airstream, providing superior protection when handling fine dust, debris, and liquids. Key Features 2-Stage fan configuration for high suction power Bypass design — protected motor core, ideal for fine dust and liquid recovery 900W output at 120V AC Up to 160" H₂O sealed vacuum and 107 CFM airflow Replaceable brushes for extended motor life 5.7" frame — direct drop-in replacement Durable construction for industrial and commercial environments Specifications Frame Size: 5.7" Power: 900W Voltage: 120V AC Stages: 2 Discharge: Bypass (Peripheral) Max Vacuum: 160" H₂O Max Airflow: 107 CFM Speed Control: None (Fixed Speed) Used in Mastercraft® Machines Critical HEPA Dry Vacuum 5 Gallon — 257915 (P4511HVAF-R) Critical HEPA Dry Vacuum 7 Gallon — 369888 (P4710HVAF) Critical HEPA Dry Vacuum 9 Gallon — 262617 (P4911HVAF-R) Pump Out Flood-Water Vacuum Cleaner — 431001 (P42010SMP)
- OEM 2-stage bypass replacement motor rated at 900 watts and 120 volts for direct field service replacement
- Compatible with Mastercraft Critical HEPA vacuums in the 5-gallon and 9-gallon dry configurations and pump-out flood vacuum
- 2-stage bypass design maintains original airflow and waterlift performance specifications of compatible vacuum models
- Drop-in replacement maintains original motor housing fitment and electrical connections for technician serviceability
- Using genuine Mastercraft OEM motor preserves warranty coverage and HEPA compliance certification on regulated equipment
- Contact Mastercraft USA with vacuum model number and serial number to confirm compatibility before installation
| Part Number | 337757 |
| Type | Replacement Motor — 2-Stage Bypass |
| Watts | 900W |
| Voltage | 120V |
| Stages | 2-Stage Bypass |
| Compatible Models | Critical HEPA Vacuums (5 Gal, 9 Gal), Pump-Out Flood Vacuum |