When the windows fog up on a cold, wet morning, you want your Tesla’s climate system to push as much air at the glass as it can. A cabin air filter that has spent two years catching dust, pollen and dried road salt grime can get in the way of that. Tesla recommends replacing the cabin filters in the Model 3 and Model Y every two years, and late fall, before the heater runs every day, is a good time to check yours.
This guide looks at one replacement set on Amazon.ca, the BASENOR HEPA cabin air filter for the Model 3 and Model Y. We have not tested it hands-on. Everything below comes from the Amazon.ca listing and Tesla’s own service documents, including the catches.
The problem it solves
Model 3 and Model Y each use a pair of cabin filters, stacked one above the other behind the passenger footwell. Tesla says they keep pollen, industrial fallout, road dust and other particles out of the cabin. Over time a filter loads up, and it can start to smell musty when the fan kicks on. In winter you lean on the climate system more than ever, for defrosting the windshield, for preconditioning before you leave and for keeping the cabin comfortable on long 401 drives, so a fresh filter is a cheap way to start the season.
Not sure when yours was last changed? Your car’s Maintenance Summary shows the cabin air filter interval, and Tesla asks you to reset it after a replacement.
What the listing says
- A set of two filters (the listing says “2 count”), matching the upper and lower filters the car uses.
- A HEPA-type filter media with an activated carbon layer, which BASENOR says helps reduce dust, pollen, smoke particles and odours. The listing describes it as six-layer filtration.
- Sold as an OEM-fit replacement, with pull tabs on each filter for easier removal.
- BASENOR claims 8 to 12 months of regular use per set and lists a six-month warranty.
When we checked on November 10, the set was C$34.99 with a 4.3 out of 5 rating from 968 ratings. Prices change, so check the current price before you buy.
Fit and compatibility: read this first
Model Y 2020-2026. The listing title covers the Model Y from 2020 through 2026, which includes the 2025+ refresh (Juniper). It does not mention the six-seat Model Y L.
Model 3: check your year. The title says Model 3 2017-2025, while one of the bullet points says 2017-2026. If you drive a 2026 Model 3, use Amazon’s vehicle fit checker or ask the seller before you order.
Not the same as Tesla’s separate HEPA filter. The word HEPA on this listing refers to the filter media. Tesla’s service documents for Model Y also include a separate HEPA filter replacement for cars equipped with one. This product replaces the two cabin filters behind the passenger footwell, not that part.
How the swap works
Tesla publishes the steps on its service website, and most owners can do it in a driveway with a plastic trim tool. In short: turn off climate control, slide the passenger seat fully back, remove the floor mat, release the right-hand footwell cover and unplug its light and speaker connectors, then release the side panel on the centre console. Remove the filter cover (a screw on some cars, two squeeze tabs on others), pull out the upper filter and then the lower one, and fit the new pair with the arrows facing the rear of the car.
One important warning for Model 3 owners: Tesla says not to stretch, bend or damage the orange high voltage cables attached to the cabin filter cover, and to stop if they are damaged. If that makes you nervous, let Tesla Service do it.
When you are done, reset the cabin air filter reminder in the Maintenance Summary.
Winter tips that help any filter
- Precondition from the app before you leave, so the defroster has a head start on the windshield.
- Brush snow off the hood and the base of the windshield before you drive, not just off the glass.
- Shake out wet, salty floor mats regularly. Our winter floor liner guide covers mats that make that easier.
Alternatives
Genuine Tesla cabin filters are sold through the Tesla Shop, which is the safest bet for fit, especially on the newest cars. Tesla Service and Mobile Service can also replace them for you. And if your Maintenance Summary says the filters are less than two years old and the air smells fine, the free option is to wait.
Who should skip it
Skip this set if your filters were replaced recently, if you drive a Model Y L, if you would rather not remove trim panels near high voltage cables, or if you only want genuine Tesla parts in your car.
Ready for more cold-weather upgrades? See our Tesla Gear page for Canadian owners, or check the BASENOR cabin filter listing on Amazon.ca. Have you changed your own cabin filter? Share your tips with 18.0K owners in Tesla Model Y & 3 [Ontario, Canada], or in our X community Tesla Model* [Ontario, Canada].
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