This page lists one belt drive part for the 2021 Mazda 2: a Belt Tensioner from INA, matched to the 1.5L L4 — the only engine offered in the 2021 Mazda 2.
On the 2021 Mazda 2, the belt drive system spins the accessories — serpentine and V-belts, tensioners, idlers and pulleys.
The part number opens a page with every vehicle that part fits.
Belt Tensioner
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| INA | FT0342 | 🇲🇽 MX | View on Amazon |
This table covers the automatic tensioners that hold belt tension. Typical signs include belt flutter, a chirp that returns after a new belt, or a damper that no longer holds the arm. Replace the tensioner with the belt at higher mileage; the labor overlaps almost entirely.
One part is listed for the 2021 Mazda 2 — INA FT0342.
Buying Belt Drive Parts for a 2021 Mazda 2
On this vehicle, the belt drive system spins the accessories — serpentine and V-belts, tensioners, idlers and pulleys.
- Confirm you have the 1.5L 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 tensioner and idler pulleys with any belt at higher mileage — the labor overlaps almost entirely.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Belt Tensioner .
Frequently Asked Questions
How many belt drive parts fit the 2021 Mazda 2?
This page lists one belt drive part for the 2021 Mazda 2: a Belt Tensioner from INA, covering the 1.5L L4 engine.
What are the signs of belt drive problems on a 2021 Mazda 2?
Common symptoms include squealing on cold start, a belt that shows cracking or glazing, or an accessory that slows under load. 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 tensioner and idler pulleys with any belt at higher mileage — the labor overlaps almost entirely.
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 2021 Mazda 2 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 2021 Mazda 2?
Every part on this page is matched to the 1.5L L4 engine. Then a new belt on a worn tensioner will squeal within weeks — check tensioner damping and idler bearings while the belt is off. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 2021 Mazda 2
Belt Drive Parts for Other Mazda 2 Years
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