2021 Ford F150 engine computer — Emission Control, (DEF pump module), (mounted to top of DEF tank) price snapshot
- Low
- $30
- Average
- $159
- High
- $275

Year & trim-specific price guide
A used 2021 Ford F150 engine computer (Emission Control, (DEF pump module), (mounted to top of DEF tank)) costs $30 to $275, with a median asking price of $154. Based on 32 priced salvage yard listings across the US, updated Aug 23, 2026. Prices exclude shipping, core charges, and installation.
Condition comparison
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $75–$275 | 16 | |
| Grade BStandard used | $30–$275 | 15 | |
| Grade CVisible wear | $92–$92 | 1 | |
| Grade XUngraded | Updating | — |
Median by grade
Median asking price by seller-reported condition grade · $30–$275 overall range
Trim-specific context
This pricing covers the Emission Control, (DEF pump module), (mounted to top of DEF tank) variant of the 2021 Ford F150 engine computer, based on 32 priced listings. Its $154 median is 20% below the 2021 Ford F150 engine computer overall median of $192.
There are 7 other engine computer variants available for the 2021 Ford F150.
Pricing is not a fitment guarantee. Match the VIN, part number, engine or drivetrain, and seller-listed variant before ordering.
Same trim, other years
Same year, other trims
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Common questions
Based on 32 priced salvage-yard listings, a used 2021 Ford F150 engine computer in the Emission Control, (DEF pump module), (mounted to top of DEF tank) variant lists between $30 and $275, with a median asking price of $154.
The Emission Control, (DEF pump module), (mounted to top of DEF tank) variant appears in model years 2018, 2019, 2020, 2021. Prices and availability may differ by year.