The 2026 Mazda 3 has 4 interior parts with verified fitment on this page — 2 part types and 2 brands, covering the 2.0L L4 engine. Each part includes a manufacturer part number and application notes.
On the 2026 Mazda 3, the interior covers cabin hardware — seat components, handles, switch bezels, carpet, pedals and the pieces that take daily wear. All 4 listed parts are Floor Mat (3 parts) and Accelerator Pedal Position Sensor (1 part).
The 2026 Mazda 3 came with a single engine, the 2.0L L4, and every part is verified against it.
2 brands supply interior parts for the 2026 Mazda 3, led by 3D (3 parts) and WELLS (1 part).
Each part number listed for the 2026 Mazda 3 opens a page with every vehicle that part fits.
Accelerator Pedal Position Sensor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WELLS | 5S17321 | 🇲🇽 MX | View on Amazon |
This table covers the Accelerator Pedal position sensors. Typical signs include a stall, a no-start, or a code for cam or crank correlation. Check the connector and the reluctor gap before replacing the sensor.
This group shows a single part: WELLS 5S17321.
Floor Mat
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| 3D | L1MZ0672150 | 🇲🇽 MX | KAGU Triple Layer Design | View on Amazon |
| 3D | L1MZ0671150 | 🇲🇽 MX | KAGU Triple Layer Design | View on Amazon |
| 3D | L1MZ0670150 | 🇲🇽 MX | KAGU Triple Layer Design | View on Amazon |
This table covers the floor mats cut for this cabin.
3 Floor Mat parts for the 2026 Mazda 3 come from 3D.
Listed part numbers: 3D L1MZ0672150, 3D L1MZ0671150 and 3D L1MZ0670150.
Buying Interior Parts for a 2026 Mazda 3
On this vehicle, the interior covers cabin hardware — seat components, handles, switch bezels, carpet, pedals and the pieces that take daily wear.
- Confirm you have the 2.0L L4 engine — every part on this page is matched to it.
- Read the notes on each row for position, trim and spec qualifiers before you order.
- Where labor overlaps, replace the retainer clips with any panel removal — they are cheap insurance against squeaks.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Floor Mat and Accelerator Pedal Position Sensor .
Frequently Asked Questions
How many interior parts fit the 2026 Mazda 3?
Our catalog currently lists 4 interior parts for the 2026 Mazda 3 across 2 subcategories and 2 brands, covering the 2.0L L4 engine. Each part is matched to the engine(s) it fits.
What are the signs of interior problems on a 2026 Mazda 3?
Common symptoms include a door handle that works only from outside, sagging headliner, a window switch that needs two presses, or seat adjusters that stick. If you notice any of these, identify the affected subcategory above and cross-reference the part numbers listed.
What should I replace at the same time?
Where labor overlaps, replace the retainer clips with any panel removal — they are cheap insurance against squeaks.
What do the market flags (US, CA, MX) on each part mean?
They show the market for which the manufacturer published application data for that part — where the vehicle was first sold, not where the part was made. If your 2026 Mazda 3 was originally sold in the US, the safest choice is a part marked for the US market.
How do I make sure a part fits my 2026 Mazda 3?
Every part on this page is matched to the 2.0L L4 engine. Then interior plastics are often color- and trim-specific — check the notes column against your trim level before ordering. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 2026 Mazda 3
Interior Parts for Other Mazda 3 Years
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Manufacturer names, model designations and part numbers are used for identification and fitment reference only. AutoFactsDB is an independent catalog and is not affiliated with, endorsed by, or sponsored by any vehicle manufacturer displayed on this page.