2021 Acura ILX engine computer price snapshot
- Low
- $45
- Average
- $167
- High
- $490
Year-specific price guide
Used 2021 Acura ILX Engine Computer prices
Year-specific used engine computer pricing for the 2021 Acura ILX, 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 updatedOct 15, 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 Acura ILX engine computer
A used 2021 Acura ILX engine computer costs between $45 and $490, with a median of $146 from 77 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 Acura ILX engine computer costs $45 to $490, with a median asking price of $146. Based on 77 priced salvage yard listings across the US, compatible across 2021–2022 (2 model years), updated Oct 15, 2026. Prices exclude shipping, core charges, and installation.
Grade A (excellent)$150
Grade B (good)$156
USD
Condition comparison
Price by part grade
Grade AClean / low wear$45–$49055 listings
Grade BStandard used$50–$27119 listings
Grade XUngraded$74–$1013 listings
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $45–$490 | 55 | |
| Grade BStandard used | $50–$271 | 19 | |
| Grade XUngraded | $74–$101 | 3 |
Median by grade
Grade price comparison
Grade A$150
Grade B$156
Ungraded$75
Median asking price by seller-reported condition grade · $45–$490 overall range
Replacement cost
What is the 2021 Acura ILX engine computer replacement cost?
- Used part
- $146
- 2021 Acura ILX median asking price
- Labor
- $95–$450
- 1–3 hours at $95–$150/hr
- Estimated total
- $240–$595
- 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 Control Module, (Acura Watch Plus), ID 37820R4HC4243 listingsInterchange 2021–2022$131$45 – $490
Electronic Control Module, (Acura Watch Plus), ID 37820R4HC5234 listingsInterchange 2021–2022$204$89 – $271
Year-specific context
How does the 2021 Acura ILX compare?
The 2021 guide is based on 86 observed listings, including 77 with posted prices. Its $146 median is 6% above the Acura ILX guide's $138 median.
Among the 8 model years with current price data, 2021 ranks #4 from lowest to highest median.
Interchange data shows this part is also listed under model years 2022. Shopping across all 2 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 Acura ILX engine computer cost in other years?
Keep browsing this vehicle
What other Acura ILX parts are priced?
01wide ±116%
AC Compressor
$125median
$49$338
02wide ±136%
ABS Module
$196median
$60$595
03
Air Bag
Price data updating
04wide ±165%
Alternator
$85median
$35$316
05wide ±161%
Axle Shaft
$90median
$25$315
06wide ±194%
Blower Motor
$56median
$25$242
07wide ±196%
Brake Caliper
$50median
$20$216
08wide ±71%
Rear Bumper Assembly
$445median
$150$784
09spread ±51%
Front Bumper
$345median
$120$470
10wide ±78%
Rear Bumper
$250median
$100$490
11wide ±176%
Car Radio
$131median
$40$500
12wide ±107%
Center Console
$99median
$49$260
13wide ±138%
AC Condenser
$100median
$35$310
14wide ±105%
Control Arm
$75median
$34$191
15
Differential
Price data updating
16wide ±134%
Door Assembly
$500median
$150$1,490
17
Drive Shaft
Price data updating
18wide ±219%
Engine
$500median
$137$2,330
19wide ±79%
Exhaust Manifold
$350median
$100$650
20wide ±94%
Fender
$215median
$90$495
21wide ±60%
Fog Light
$200median
$95$335
22wide ±103%
Front Seat
$175median
$81$440
23wide ±160%
Fuel Pump
$88median
$35$316
24wide ±120%
Fuel Tank
$125median
$50$350
25wide ±331%
Grille
$130median
$25$885
26wide ±94%
Headlight Assembly
$950median
$225$2,019
27spread ±38%
Heater Core
$91median
$65$135
28wide ±89%
Hood
$820median
$200$1,659
29wide ±147%
Ignition Switch
$78median
$19$249
30
Instrument Cluster
Price data updating
31wide ±99%
Intake Manifold
$125median
$30$278
32wide ±140%
Master Cylinder
$75median
$25$235
33wide ±161%
Side Mirror
$175median
$50$615
34wide ±217%
Power Steering Pump
$75median
$25$350
35wide ±90%
Quarter Panel
$400median
$195$912
36wide ±181%
Radiator
$99median
$40$399
37wide ±225%
Rear View Mirror
$85median
$15$398
38wide ±171%
Starter
$80median
$25$299
39wide ±99%
Steering Column
$106median
$55$265
40wide ±216%
Steering Rack
$118median
$30$540
41wide ±116%
Steering Wheel
$125median
$35$324
42wide ±142%
Strut
$86median
$35$280
43wide ±119%
Sunroof
$142median
$45$382
44wide ±110%
Tail Light
$199median
$70$507
45wide ±108%
Tailgate
$525median
$99$1,234
46wide ±159%
Throttle Body
$50median
$25$184
47spread ±41%
Torque Converter
$305median
$90$340
48
Transfer Case
Price data updating
49wide ±151%
Transmission
$450median
$145$1,500
50wide ±183%
Transmission Control Module
$109median
$35$435
51
Turbocharger
Price data updating
52wide ±83%
Water Pump
$83median
$40$178
53wide ±264%
Wheels
$183median
$34$1,000
54wide ±94%
Window Regulator
$75median
$40$181
Common questions
2021 Acura ILX engine computer FAQ
How much is a used 2021 Acura ILX engine computer?
Based on 77 priced salvage-yard listings, a used 2021 Acura ILX engine computer lists between $45 and $490, with a median asking price of $146.
How much does it cost to replace a 2021 Acura ILX engine computer?
Using a used part, a 2021 Acura ILX engine computer replacement typically runs $240–$595 all-in: the median used engine computer for this year lists at $146, 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 Acura ILX engine computer fit another year?
Based on salvage-yard interchange data, listings for the 2021 Acura ILX engine computer also appear under model years 2022, 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 Acura ILX ecu?
A ecu is another name for a engine computer. The prices on this page cover the 2021 Acura ILX engine computer — median $146, from 77 listings.