2021 Ford Mustang transmission control module — Air Bag, (floor mounted between seats), ID MR3T-14B321-EA price snapshot
- Low
- $71
- Average
- $142
- High
- $273

Year & trim-specific price guide
A used 2021 Ford Mustang transmission control module (Air Bag, (floor mounted between seats), ID MR3T-14B321-EA) costs $71 to $273, with a median asking price of $145. Based on 29 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 | $75–$228 | 15 | |
| Grade BStandard used | $71–$273 | 14 | |
| Grade CVisible wear | Updating | — | |
| Grade XUngraded | Updating | — |
Median by grade
Median asking price by seller-reported condition grade · $71–$273 overall range
Trim-specific context
This pricing covers the Air Bag, (floor mounted between seats), ID MR3T-14B321-EA variant of the 2021 Ford Mustang transmission control module, based on 29 priced listings. Its $145 median is 7% 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 29 priced salvage-yard listings, a used 2021 Ford Mustang transmission control module in the Air Bag, (floor mounted between seats), ID MR3T-14B321-EA variant lists between $71 and $273, with a median asking price of $145.
In our current dataset, the Air Bag, (floor mounted between seats), ID MR3T-14B321-EA variant appears only for the 2021 model year.