Description
Overview:
The Pump Piston Kit for Nilfisk pressure washers is a genuine replacement set designed to restore and maintain pump performance. Built from high-quality, corrosion-resistant materials, the pistons help maintain compression, water flow, and consistent operating pressure under regular use. This kit is intended for Nilfisk consumer and professional machines and is a direct-fit solution for models such as D140.4-9 DP X-Tra and D140.4-9 P X-Tra. It is suitable for routine overhaul when pressure drops, pulsation appears, or starting becomes harder. Supplied to Nilfisk OEM specification under reference 31000517, this Genuine Part supports long service life and reliable operation when fitted as part of scheduled pump maintenance.
Key Features:
- Genuine Nilfisk part for assured fit and compatibility (OEM No. 31000517)
- Helps recover lost pressure and smooth water delivery for cleaner results
- Durable construction for extended life in wet and high-pressure environments
- Precision-made pistons support efficient pump sealing and compression
- Designed for straightforward installation with basic hand tools
- Reduces downtime by enabling planned maintenance rather than complete pump replacement
- Suitable for regular service intervals to protect pump head and valves
- Compatible across a wide range of Nilfisk compact and high-performance models
Typical Applications:
Used during pump overhauls on Nilfisk pressure washers to restore performance for cleaning patios, driveways, vehicles, tools, garden furniture, machinery, and building facades. Ideal for facilities maintenance, trades, and home users who need consistent pressure, reduced pulsation, and dependable flow.
Also known as:
Pump piston set, pump plunger kit, pressure washer piston set, plunger replacement kit, pump repair kit for Nilfisk, compression piston set, washer pump internals, piston overhaul kit.
Fits Models:
C 110.4-5 PCD X-TRA, C 110.7-5 PC X-TRA, C 110.7-5 PCA X-TRA, C 110.7-5 PCD X-TRA, C 110.7-5 X-TRA, C 120.7-6, C 120.7-6 PCA, C 125.7-6 PCA X-TRA, C 125.7-6 PCAD X-TRA, C 125.7-6 X-TRA, C 125.7-8 PCAD, C105 7-5, C10575, C135.1-6i PAD X-Tra, C135.1-6i X-Tra, D140.4-9 DP X-Tra, D140.4-9 P X-Tra, D140.4-9 PAD X-Tra, D140.4-9 X-Tra, E145.4-9 P X-Tra, E145.4-9 PA X-Tra, E145.4-9 PAD X-Tra, E145.4-9 POWER X-Tra, E145.4-9 X-Tra, E150.2-10 H X-Tra, E160.1-10 H X-Tra
Product Specifications
| L&S Part No. | NIL31000517 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Nilfisk |
| OEM No. | 31000517 |
| Unit of Sale | 1 |
| Applications | C 110.4-5 PCD X-TRA, C 110.7-5 PC X-TRA, C 110.7-5 PCA X-TRA, C 110.7-5 PCD X-TRA, C 110.7-5 X-TRA, C 120.7-6, C 120.7-6 PCA, C 125.7-6 PCA X-TRA, C 125.7-6 PCAD X-TRA, C 125.7-6 X-TRA, C 125.7-8 PCAD, C105 7-5, C10575, C135.1-6i PAD X-Tra, C135.1-6i X-Tra, D140.4-9 DP X-Tra, D140.4-9 P X-Tra, D140.4-9 PAD X-Tra, D140.4-9 X-Tra, E145.4-9 P X-Tra, E145.4-9 PA X-Tra, E145.4-9 PAD X-Tra, E145.4-9 POWER X-Tra, E145.4-9 X-Tra, E150.2-10 H X-Tra, E160.1-10 H X-Tra |
| Machine Type | Pressure Washers |
| Fits Brands | Nilfisk |
| Fits Models | D140.4-9 DP X-Tra | D140.4-9 P X-Tra | D140.4-9 PAD X-Tra | D140.4-9 X-Tra | E145.4-9 P X-Tra | E145.4-9 PA X-Tra | E145.4-9 PAD X-Tra | E145.4-9 POWER X-Tra | E145.4-9 X-Tra | E150.2-10 H X-Tra | E160.1-10 H X-Tra | C105 7-5 | C 110.4-5 PCD X-TRA | C 110.7-5 PC X-TRA | C 110.7-5 PCA X-TRA | C 110.7-5 X-TRA | C 120.7-6 | C 120.7-6 PCA | C 125.7-6 PCA X-TRA | C 125.7-6 PCAD X-TRA | C 125.7-6 X-TRA | C 125.7-8 PCAD | C135.1-6i PAD X-Tra | C135.1-6i X-Tra | C 110.7-5 PCD X-TRA |
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