💧 Bissell® Symphony Steam Mop Pump Assembly | Replacement Part 1603370
Restore strong, consistent steam output to your Bissell® Symphony with this brand-new Pump Assembly (1603370). The pump is responsible for moving water from the tank into the heating system, ensuring steady steam production for sanitizing and cleaning sealed hard floors.
A failing pump can cause weak steam, no steam, or intermittent performance — replacing it brings your machine back to full cleaning power.
⚙️ Product Features:
- Direct replacement for Bissell® part 1603370
- Restores proper water flow and steam generation
- OEM‑style fit — no modifications required
- Durable internal components for long service life
- Compatible with multiple Symphony steam mop models
- Condition: Brand New – Unused
🔁 Replaces Part Numbers:
Direct replacement for Bissell® 1603370. No additional cross‑reference numbers provided.
📦 Fits Bissell® Symphony Models:
11322, 1132K, 1632, 1132, 11321, 11326, 11328, 1132A, 1132M, 1132P, 1132Q, 1132R, 1132X, 1530, 1132P
Match your model number to ensure compatibility.
🔧 Common Fixes:
- No steam or very weak steam output
- Intermittent steam during use
- Pump making unusual clicking or buzzing sounds
- Water not moving from tank to heater
- Machine overheating due to lack of water flow
🛠️ Installation Tips:
- Unplug the unit and allow it to cool completely before servicing
- Remove the housing screws to access the internal pump assembly
- Take a photo of hose and wire routing before removal
- Disconnect the old pump and install the new one in the same orientation
- Ensure hoses are fully seated to prevent leaks
- Reassemble housing and test steam output with clean water
Restore full steam performance with this OEM‑fit Bissell® pump assembly — the correct replacement for part 1603370 and compatible with all listed Symphony models.