Bissell Air Stack Replacement Part 1642990

The BISSELL Air Stack #1642990 is a genuine OEM replacement air stack for select BISSELL Little Green® Pet Pro and Auto Pro portable carpet cleaners. The air stack is an internal airflow component that helps direct and manage suction through the machine’s cleaning path. A damaged or missing air stack can disrupt airflow, reducing suction performance and cleaning effectiveness. This direct-fit replacement restores proper internal airflow and full suction power.

Why Replace Your BISSELL Air Stack?

• Restores proper internal airflow and suction through the machine’s cleaning path
• Eliminates suction loss caused by a damaged or missing air stack
• Helps the machine operate at full cleaning effectiveness
• Genuine BISSELL OEM part — guaranteed to fit compatible models
• Easy DIY replacement — no special tools required

Compatible Models

This air stack is compatible with the following BISSELL Little Green® portable carpet cleaner models:

• Little Green® Auto Pro Portable Carpet Cleaner — Model 3909L
• Little Green® Pet Pro Portable Carpet Cleaner — Model 3909, Similar models: 3908
• Little Green® Pet Pro Portable Carpet Cleaner Exclusive Bundle — Model 39071

Always verify your model number before ordering. Check the label on the bottom of your machine.

Product Details

• Part Number: 1642990
• Brand: BISSELL
• Component: Air Stack
• Condition: New, Genuine OEM Replacement Part

Part numbers and Alternate Part numbers