General Pump Injector Assembly, .057,
Genuine General Pump OEM Part #100665
Shop the genuine General Pump 100665 — Injector Assembly, .057,. Factory-original replacement part, stocked and shipped by Laundry Owners Warehouse.
⚠️ Fitment & safety: verify this part number against your General Pump model before ordering. Relieve trapped pressure and never point a gun or wand at people — high-pressure water injects through skin.
🔧 Problem → Solution
Pressure loss or pulsation → replace worn valves and plungersMachine won’t reach rated PSI → rebuild the unloaderChemical draw stopped → fresh injector
📋 Specifications
| Part Number | 100665 |
| Brand | General Pump |
| Description | Injector Assembly, .057, |
| Condition | New, Genuine OEM |
🛠️ Installation Basics
- Relieve all system pressure and disconnect power to the pressure washer.
- Remove the old part, noting orientation and hardware.
- Install the replacement without forcing connections or fasteners.
- Restore supply and verify normal operation before returning to service.
Relieve all system pressure and let the pump cool before opening the wet end. Torque valve caps and manifold bolts to spec, in sequence.
🔗 Related
All General Pump Parts
❓ Common Questions
Is the 100665 a genuine General Pump part?
Yes. This is a factory-original General Pump OEM part, not an aftermarket substitute.
How do I confirm the 100665 fits my machine?
Check your machine’s model and serial plate, verify this part number in the parts breakdown — or send us your model number through the Contact Us Form and we’ll confirm fitment.
How fast does this ship?
In-stock items ship quickly from our Fort Lauderdale warehouse. Special-order parts follow factory lead times.