2021 Ford Mustang transmission control module — Air Bag, (floor mounted between seats), ID MR3T-14B321-BA price snapshot
- Low
- $80
- Average
- $182
- High
- $335

Year & trim-specific price guide
A used 2021 Ford Mustang transmission control module (Air Bag, (floor mounted between seats), ID MR3T-14B321-BA) costs $80 to $335, with a median asking price of $197. Based on 45 priced salvage yard listings across the US, updated Aug 30, 2026. Prices exclude shipping, core charges, and installation.
Condition comparison
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $80–$330 | 22 | |
| Grade BStandard used | $81–$335 | 23 | |
| Grade CVisible wear | Updating | — | |
| Grade XUngraded | Updating | — |
Median by grade
Median asking price by seller-reported condition grade · $80–$335 overall range
Trim-specific context
This pricing covers the Air Bag, (floor mounted between seats), ID MR3T-14B321-BA variant of the 2021 Ford Mustang transmission control module, based on 45 priced listings. Its $197 median is 46% above the 2021 Ford Mustang transmission control module overall median of $135.
There are 14 other transmission control module variants available for the 2021 Ford Mustang.
Pricing is not a fitment guarantee. Match the VIN, part number, engine or drivetrain, and seller-listed variant before ordering.
Same year, other trims
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Common questions
Based on 45 priced salvage-yard listings, a used 2021 Ford Mustang transmission control module in the Air Bag, (floor mounted between seats), ID MR3T-14B321-BA variant lists between $80 and $335, with a median asking price of $197.
In our current dataset, the Air Bag, (floor mounted between seats), ID MR3T-14B321-BA variant appears only for the 2021 model year.