Water Separator RE559944 Fit M315D2 Series
This ZVEZDA fuel water separator assembly, OE number RE559944, fits M315D2, M316D2, M317D2, M318D2, M319D2, M322D2 wheel excavators. It integrates electric fuel pump, realizes fuel filtration and water-oil separation. Common solved failures: difficult startup, insufficient power, unstable engine speed, fuel circuit blockage. Goods can be shipped within 1–7 working days after payment.
| Specification | Details |
|---|---|
| Brand | ZVEZDA |
| OE Part Number | RE559944 |
| Product Type | Fuel Water Separator Assembly with Built-In Electric Fuel Pump |
| Working Voltage | 12V DC |
| Main Material | High Strength Plastic Housing + Efficient Filter Media + Electric Pump |
| Origin | China |
| Delivery Time | 1–7 Working Days After Payment |
| Warranty | 6 Months Under Normal Use |
| Packaging | Neutral Carton Packing |
| Sample Service | Sample Available |



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Question & Answer
| No. | Question & Answer |
|---|---|
| Q1 | Q: What machine fits ZVEZDA fuel water separator RE559944? A: M315D2, M316D2, M317D2, M318D2, M319D2, M322D2 wheel excavators. Confirm OE part number RE559944 before purchase. |
| Q2 | Q: Can it replace original factory assembly directly? A: Yes. Dimension, thread, plug and mounting hole fully match OE RE559944, plug-and-play without modification. |
| Q3 | Q: Engine still hard to start after replacing separator? A: Check fuel pipeline tightness, vent air from fuel circuit, and inspect fuel pump working condition. |
| Q4 | Q: How long is the service life? A: Service life depends on fuel cleanliness. It is recommended to replace filter element regularly. |
| Q5 | Q: Is the electric fuel pump built-in? A: Yes, integrated electronic fuel pump, complete assembly, no extra parts needed. |