2021 GMC Acadia engine computer price snapshot
- Low
- $40
- Average
- $101
- High
- $307
Year-specific price guide
Used 2021 GMC Acadia Engine Computer prices
Year-specific used engine computer pricing for the 2021 GMC Acadia, built from real salvage yard and junkyard listings with condition grade and fitment detail.
SKWritten bySaurabh Kumar · Co-Founder & CTO
SK
Saurabh Kumar
Co-Founder & CTO, Part Price Guide
Built the pricing pipeline that collects and normalizes used OEM part listings from salvage yards and online marketplaces across the US.
ASReviewed byAmbika Sharma · Co-Founder & COO
Last updatedSep 12, 2026AS
Ambika Sharma
Co-Founder & COO, Part Price Guide
12 years of project management and technical operations experience. Reviews price guides for sample size, fitment accuracy, and data freshness.
Part overview
About the 2021 GMC Acadia engine computer
A used 2021 GMC Acadia engine computer costs between $40 and $307, with a median of $70 from 107 salvage yard listings.
What the engine computer does, common failure signs, and prices across all vehicles: used engine computer price guide →
Also known asECUECMPCMEngine Control ModuleEngine Control UnitPowertrain Control Module
Price summary
A used 2021 GMC Acadia engine computer costs $40 to $307, with a median asking price of $70. Based on 107 priced salvage yard listings across the US, compatible across 2016–2023 (8 model years), updated Sep 12, 2026. Prices exclude shipping, core charges, and installation.
Grade A (excellent)$110
Grade B (good)$99
USD
Condition comparison
Price by part grade
Grade AClean / low wear$50–$30746 listings
Grade BStandard used$50–$30720 listings
Grade XUngraded$40–$10041 listings
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $50–$307 | 46 | |
| Grade BStandard used | $50–$307 | 20 | |
| Grade XUngraded | $40–$100 | 41 |
Median by grade
Grade price comparison
Grade A$110
Grade B$99
Ungraded$51
Median asking price by seller-reported condition grade · $40–$307 overall range
Replacement cost
What is the 2021 GMC Acadia engine computer replacement cost?
- Used part
- $70
- 2021 GMC Acadia median asking price
- Labor
- $95–$450
- 1–3 hours at $95–$150/hr
- Estimated total
- $165–$520
- median used part + labor
Labor is a typical independent-shop range for engine computer replacement, not a quote for your vehicle; it does not include programming and key relearn procedure. The part price is the live median from the salvage-yard listings on this page. Full engine computer replacement cost breakdown
Fitment matters
Price by trim & variant
Electronic Engine Module, (LH engine compartment), 2.0L47 listingsInterchange 2020–2023$100$50 – $307
Electronic Engine Module, (LH engine compartment), 3.6L39 listingsInterchange 2016–2023$60$40 – $125
Electronic Engine Module, (LH engine compartment), 2.5L21 listingsInterchange 2017–2022$54$45 – $207
Year-specific context
How does the 2021 GMC Acadia compare?
The 2021 guide is based on 150 observed listings, including 107 with posted prices. Its $70 median is 26% below the GMC Acadia guide's $95 median.
Among the 11 model years with current price data, 2021 ranks #1 from lowest to highest median.
Interchange data shows this part is also listed under model years 2016, 2017, 2018, 2019, 2020, 2022, 2023. Shopping across all 8 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 GMC Acadia engine computer cost in other years?
202550 listings$210$75 – $311202449 listings$150$75 – $2402023100 listingsCompatible$75$40 – $3212022100 listingsCompatible$99$50 – $331202080 listingsCompatible$146$78 – $1572019100 listingsCompatible$85$61 – $3852018100 listingsCompatible$75$50 – $1502017150 listingsCompatible$75$50 – $182201650 listingsCompatible$100$75 – $200201550 listings$126$99 – $162
Keep browsing this vehicle
What other GMC Acadia parts are priced?
01wide ±134%
AC Compressor
$127median
$35$375
02wide ±91%
ABS Module
$164median
$40$338
03wide ±194%
Air Bag
$250median
$45$1,015
04wide ±147%
Alternator
$102median
$25$325
05wide ±219%
Axle Shaft
$110median
$25$506
06wide ±177%
Blower Motor
$91median
$20$343
07wide ±255%
Brake Caliper
$50median
$20$275
08wide ±133%
Rear Bumper Assembly
$567median
$120$1,625
09wide ±132%
Front Bumper
$230median
$95$700
10wide ±143%
Rear Bumper
$222median
$75$710
11wide ±184%
Car Radio
$136median
$35$536
12wide ±162%
Center Console
$128median
$30$445
13wide ±257%
AC Condenser
$108median
$40$595
14wide ±143%
Control Arm
$100median
$35$321
15
Differential
Price data updating
16wide ±114%
Door Assembly
$657median
$225$1,728
17wide ±143%
Drive Shaft
$174median
$50$549
18wide ±213%
Engine
$704median
$157$3,162
19wide ±198%
Exhaust Manifold
$43median
$30$200
20wide ±125%
Fender
$299median
$115$860
21wide ±161%
Fog Light
$110median
$30$385
22wide ±153%
Front Seat
$175median
$65$600
23wide ±223%
Fuel Pump
$103median
$20$480
24wide ±168%
Fuel Tank
$166median
$50$608
25wide ±186%
Grille
$250median
$45$976
26wide ±74%
Headlight Assembly
$716median
$239$1,300
27wide ±137%
Heater Core
$116median
$45$362
28wide ±99%
Hood
$580median
$100$1,250
29wide ±133%
Ignition Switch
$100median
$35$300
30spread ±43%
Instrument Cluster
$100median
$65$150
31wide ±103%
Intake Manifold
$75median
$36$190
32wide ±288%
Master Cylinder
$99median
$20$591
33wide ±179%
Side Mirror
$177median
$30$662
34wide ±171%
Power Steering Pump
$111median
$35$415
35wide ±107%
Quarter Panel
$456median
$153$1,131
36wide ±161%
Radiator
$170median
$47$595
37wide ±286%
Rear View Mirror
$103median
$25$614
38wide ±132%
Starter
$110median
$25$316
39wide ±128%
Steering Column
$154median
$50$445
40wide ±215%
Steering Rack
$197median
$40$889
41wide ±98%
Steering Wheel
$164median
$41$361
42wide ±124%
Strut
$150median
$40$412
43wide ±137%
Sunroof
$250median
$50$735
44wide ±183%
Tail Light
$250median
$45$959
45wide ±116%
Tailgate
$1,323median
$209$3,275
46wide ±195%
Throttle Body
$76median
$20$316
47spread ±50%
Torque Converter
$299median
$150$449
48wide ±192%
Transfer Case
$250median
$75$1,036
49wide ±70%
Transmission
$1,649median
$750$3,053
50wide ±273%
Transmission Control Module
$99median
$20$560
51wide ±133%
Turbocharger
$243median
$100$745
52wide ±229%
Water Pump
$76median
$20$368
53wide ±221%
Wheels
$190median
$40$879
54wide ±191%
Window Regulator
$96median
$30$397
Common questions
2021 GMC Acadia engine computer FAQ
How much is a used 2021 GMC Acadia engine computer?
Based on 107 priced salvage-yard listings, a used 2021 GMC Acadia engine computer lists between $40 and $307, with a median asking price of $70.
How much does it cost to replace a 2021 GMC Acadia engine computer?
Using a used part, a 2021 GMC Acadia engine computer replacement typically runs $165–$520 all-in: the median used engine computer for this year lists at $70, and independent-shop labor for engine computer replacement typically takes 1–3 hours at $95–$150/hr ($95–$450). The labor figure does not include programming and key relearn procedure. Labor is a national part-level estimate, not a quote for your vehicle.
Will a 2021 GMC Acadia engine computer fit another year?
Based on salvage-yard interchange data, listings for the 2021 GMC Acadia engine computer also appear under model years 2016, 2017, 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 GMC Acadia ecu?
A ecu is another name for a engine computer. The prices on this page cover the 2021 GMC Acadia engine computer — median $70, from 107 listings.