

The Graco 651166 Pump is a heavy-duty air-operated diaphragm pump designed for reliable industrial fluid transfer. It replaces part DR4666 and is commonly used in Husky 1050 series applications.
The Graco 651166 Pump is a heavy-duty air-operated double diaphragm pump designed for reliable industrial fluid handling. This pump replaces part DR4666 and belongs to the Husky 1050 series, known for its stall-free air valve and long service life in demanding environments.
Built for consistent performance, this pump is suitable for transferring a wide range of fluids including water, chemicals, oils, and industrial liquids where durability and smooth operation are critical.
| Pump Type | Air-Operated Double Diaphragm |
|---|---|
| Series | Husky 1050 |
| Replacement Part | DR4666 |
| Application | Industrial fluid transfer and circulation |
| Operation | Pneumatic (air-powered) |