Description
Overview:
This genuine Interpump piston is a direct replacement for OEM No. 51.0400.09, designed to restore sealing and pumping performance in compatible Interpump washer units such as the W905 and WW55. The assembly uses hard-wearing metal components with a precision finish to withstand continuous duty, pressure cycling and chemical exposure typical of cleaning equipment. It forms part of the pump's reciprocating mechanism, helping to maintain consistent pressure and flow for reliable washing performance. Ideal for tradespeople, hire fleets and DIY users maintaining Interpump machines, it offers a straightforward swap for a worn or damaged piston to reduce downtime and keep equipment operating efficiently.
Key Features:
- Genuine Interpump part for assured fit and performance (OEM ref. 51.0400.09)
- Durable metal construction engineered for long service life under regular use
- Precision finish helps maintain correct clearances, sealing and pump efficiency
- Direct replacement design for quick installation with standard workshop tools
- Helps restore operating pressure and smooth pump operation
- Suitable for a wide range of Interpump models used in commercial and domestic settings
- Consistent quality control from the original manufacturer
- Cost-effective preventative maintenance item to avoid larger pump repairs
Typical Applications:
Used during routine servicing or repairs of Interpump washer pumps to address loss of pressure, pulsation or poor sealing. Common in vehicle wash bays, plant and tool hire equipment, agricultural cleaning, facilities maintenance, building and landscape cleaning, and workshop wash-down tasks where dependable pressure output is required.
Also known as:
Pump piston, pump plunger, plunger rod, pressure washer piston, Interpump plunger, high-pressure pump piston, reciprocating pump piston assembly, washer pump piston.
Fits Models:
T1209, T1212, T1508, TT1508, TT1510, TT1511, TT1512, TT1513, W1208, W1210, W1507, W905, WW1508, WW1509, WW1510, WW1511, WW1513, WW55, WW56, WW74, WW75, WW90, WW906, WW907, WW909, WW93, WW94, WW95
Alternate Part Numbers:
51040009
Product Specifications
| L&S Part No. | 51.0400.09 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Interpump |
| OEM No. | 51.0400.09 |
| Unit of Sale | 1 |
| Applications | T1209, T1212, T1508, TT1508, TT1510, TT1511, TT1512, TT1513, W1208, W1210, W1507, W905, WW1508, WW1509, WW1510, WW1511, WW1513, WW55, WW56, WW74, WW75, WW90, WW906, WW907, WW909, WW93, WW94, WW95 |
| Machine Type | Washing Machines & Dish Washers |
| Fits Brands | Interpump |
Reviews
Ask a Question (1)
Compatibility
Customers also bought
-
![]()
Valve Kit for Interpump WS201 Water Pump£42.30 £35.25 -
![]()
Water Seal Kit for Interpump Water Pumps£23.38 £19.48
