2021 Mazda 3 transmission price snapshot
- Low
- $363
- Average
- $1,316
- High
- $5,625
Year-specific price guide
Used 2021 Mazda 3 Transmission prices
Year-specific used transmission pricing for the 2021 Mazda 3, built from real salvage yard and junkyard listings with condition grade and fitment detail.
Price summary
A used 2021 Mazda 3 transmission costs $363 to $5,625, with a median asking price of $1,000. Based on 125 priced salvage yard listings across the US, compatible across 2018–2023 (6 model years), updated Aug 21, 2026. Prices exclude shipping, core charges, and installation.
Grade A (excellent)$1,410
Grade B (good)$805
USD
Condition comparison
Price by part grade
Grade AClean / low wear$407–$5,62575 listings
Grade BStandard used$363–$1,10037 listings
Grade CVisible wearUpdating
Grade XUngraded$600–$1,50013 listings
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $407–$5,625 | 75 | |
| Grade BStandard used | $363–$1,100 | 37 | |
| Grade CVisible wear | Updating | — | |
| Grade XUngraded | $600–$1,500 | 13 |
Median by grade
Grade price comparison
Grade A$1,410
Grade B$805
Ungraded$1,045
Median asking price by seller-reported condition grade · $363–$5,625 overall range
Replacement cost
What is the 2021 Mazda 3 transmission replacement cost?
- Used part
- $1,000
- 2021 Mazda 3 median asking price
- Labor
- $570–$1,800
- 6–12 hours at $95–$150/hr
- Estimated total
- $1,570–$2,800
- median used part + labor
Labor is a typical independent-shop range for transmission replacement, not a quote for your vehicle; it does not include transmission fluid and filter, and a torque converter check on automatics. The part price is the live median from the salvage-yard listings on this page. Full transmission replacement cost breakdown
Fitment matters
Price by trim & variant
Year-specific context
How does the 2021 Mazda 3 compare?
The 2021 guide is based on 144 observed listings, including 125 with posted prices. Its $1,000 median is 58% above the Mazda 3 guide's $633 median.
Among the 8 model years with current price data, 2021 ranks #6 from lowest to highest median.
Interchange data shows this part is also listed under model years 2018, 2019, 2020, 2022, 2023. Shopping across all 6 compatible years may surface better prices or condition grades.
Pricing is not a fitment guarantee. Match the VIN, part number, engine or drivetrain, and seller-listed variant before ordering.
Compare model years
What does a Mazda 3 transmission cost in other years?
Keep browsing this vehicle
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ABS Module
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25
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Price data updating
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Engine Computer
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Throttle Body
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Control Arm
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Exhaust Manifold
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Transmission Control Module
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Fuel Tank
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Instrument Cluster
Price data updating
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Torque Converter
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Common questions
2021 Mazda 3 transmission FAQ
How much is a used 2021 Mazda 3 transmission?
Based on 125 priced salvage-yard listings, a used 2021 Mazda 3 transmission lists between $363 and $5,625, with a median asking price of $1,000.
How much does it cost to replace a 2021 Mazda 3 transmission?
Using a used part, a 2021 Mazda 3 transmission replacement typically runs $1,570–$2,800 all-in: the median used transmission for this year lists at $1,000, and independent-shop labor for transmission replacement typically takes 6–12 hours at $95–$150/hr ($570–$1,800). The labor figure does not include transmission fluid and filter, and a torque converter check on automatics. Labor is a national part-level estimate, not a quote for your vehicle.
Will a 2021 Mazda 3 transmission fit another year?
Based on salvage-yard interchange data, listings for the 2021 Mazda 3 transmission also appear under model years 2018, 2019, 2020, 2022, 2023, suggesting these years share compatible fitments. Always verify the exact part number, drivetrain, trim, and your VIN before buying — interchange compatibility can vary by variant.
How much is a 2021 Mazda 3 gearbox?
A gearbox is another name for a transmission. The prices on this page cover the 2021 Mazda 3 transmission — median $1,000, from 125 listings.