How to Install a Cabin Air Filter Moisture Clip in Model 3 & Y
By Abstract Ocean | Tesla & Rivian Accessories | A Texas Co. est | Published: 2026-10-20
Category: How-to Guides
Learn how to install a cabin air filter moisture clip in your Tesla Model 3 or Y with this step-by-step guide. Prevent musty smells and extend filter life.
Quick Answer
Install a cabin air filter moisture clip in your Model 3 or Y by accessing the cabin air filter housing behind the glovebox, sliding the clip onto the filter's edge, and reassembling. This simple addition helps prevent the musty smell caused by AC condensate.
Why a Moisture Clip Helps
The musty smell in many Teslas comes from condensate that forms on the cabin air filter. Over time, this moisture can be absorbed by the filter, creating a breeding ground for mold. A moisture clip works by redirecting that condensate away from the filter, keeping it drier and reducing odor.
Before You Begin: What to Check
Make sure your cabin air filter is accessible. On Model 3 and Y, the filter is located behind the glovebox. If you haven't replaced the filter recently, consider doing so while you're in there—installing the clip on a fresh filter gives you the best chance of preventing odors from the start.
Installation Steps
- Access the cabin air filter: Remove the glovebox or lower panel to reach the cabin air filter housing. On Model 3 and Y, you may need to remove a few screws and disconnect the glovebox light. Check your owner's manual for exact steps. Common mistake: Forgetting to disconnect the glovebox light wire before pulling the glovebox out. Do this gently to avoid damaging the connector.
- Remove the old filter: Slide out the existing cabin air filter from its slot. Note the direction of airflow (usually indicated by an arrow) so you can install the new filter correctly. Checkpoint: If the old filter is dirty or smells, replace it now—installing the clip on a fresh filter is more effective.
- Attach the moisture clip: Slide the moisture clip onto the edge of the new filter, positioning it so it will catch and redirect condensate away from the filter media. Ensure it fits snugly. Common mistake: Placing the clip on the wrong edge. The clip should face the direction where condensate typically drips—usually the top or side—so check the clip's orientation before securing.
- Reinstall the filter and panel: Insert the filter with the clip attached back into the housing, ensuring it sits flat and the arrow points in the correct airflow direction. Replace the glovebox or panel and reconnect any wiring. Checkpoint: After reassembly, test the glovebox light and make sure the panel is secure. Run the AC for a few minutes to confirm no unusual noises.
- Test for improvement: Over the next few days, notice if the musty smell returns. The clip helps prevent future moisture buildup, but if the odor persists, you may need to replace the filter or check for other sources. Common mistake: Expecting instant results. The clip prevents new mold growth but won't remove existing mold—replace the filter if the smell is already strong.
Product Facts
- Tesla Model 3 & Y Cabin Air Filter Moisture Clip: This clip is made in USA from recycled PETG and is based on findings from Adam Davenport. It's a durable, eco-friendly solution that directly targets the condensate issue, helping to prevent mold growth in your cabin air filter.

Tesla Model 3 & Y Cabin Air Filter Moisture Clip
