Bissell HydroSteam Portable Carpet Cleaners Water Pump, 120V, 1638902

Bissell Little Green® HydroSteam Pet Portable Carpet Cleaner Water Pump | 120‑Volt | Replacement Part 1638902

Restore strong, consistent solution flow to your Bissell Little Green® HydroSteam Pet Portable Carpet Cleaner with this brand-new 120‑Volt Water Pump (1638902). This OEM‑style pump delivers the correct pressure needed to move cleaning formula from the tank to the spray nozzle, ensuring powerful pre‑treating and deep‑cleaning performance.

A failing pump can cause weak spray, no spray, or intermittent solution flow — replacing it brings your machine back to full cleaning strength.

⚙️ Product Features:

• Direct replacement for Bissell® part 1638902
• 120‑Volt pump designed for HydroSteam Pet portable units
• Restores proper formula delivery and spray pressure
• OEM‑style fit — no modifications required
• Durable internal components for long service life
• Condition: Brand New – Unused

Replaces Part Numbers:

Direct replacement for Bissell® 1638902. No additional cross‑reference numbers provided.

Fits Little Green® HydroSteam Pet Models:

3605F, 3618, 3605, 3532, 3605P
Match your model number to ensure compatibility.

Common Fixes:

• No spray or very weak spray from the nozzle
• Intermittent solution flow during cleaning
• Pump making unusual clicking or buzzing sounds
• Water not moving from tank to spray line
• Machine overheating due to lack of fluid movement

️ Installation Tips:

• Unplug the machine and allow it to cool 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 spray output with clean water

Restore full spray performance with this OEM‑fit 120‑Volt water pump — the correct replacement for Bissell® part 1638902 and compatible with all listed Little Green HydroSteam Pet models.