2018 Buick Regal transmission control module — Communication, (OnStar, opt UE1), ID 84128418 price snapshot
- Low
- $35
- Average
- $109
- High
- $407
Year & trim-specific price guide
Used 2018 Buick Regal Transmission Control Module — Communication, (OnStar, opt UE1), ID 84128418 prices
Trim-specific pricing for the Communication, (OnStar, opt UE1), ID 84128418 variant of the 2018 Buick Regal transmission control module, built from 37 real salvage yard listings with condition grade 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 3, 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.
Price summary
A used 2018 Buick Regal transmission control module (Communication, (OnStar, opt UE1), ID 84128418) costs $35 to $407, with a median asking price of $56. Based on 37 priced salvage yard listings across the US, updated Oct 3, 2026. Prices exclude shipping, core charges, and installation.
Grade A (excellent)$171
Grade B (good)$56
USD
Condition comparison
Price by part grade
Grade AClean / low wear$45–$40716 listings
Grade BStandard used$40–$2325 listings
Grade XUngraded$35–$10016 listings
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $45–$407 | 16 | |
| Grade BStandard used | $40–$232 | 5 | |
| Grade XUngraded | $35–$100 | 16 |
Median by grade
Grade price comparison
Grade A$171
Grade B$56
Ungraded$45
Median asking price by seller-reported condition grade · $35–$407 overall range
Trim-specific context
How does the Communication, (OnStar, opt UE1), ID 84128418 compare?
This pricing covers the Communication, (OnStar, opt UE1), ID 84128418 variant of the 2018 Buick Regal transmission control module, based on 37 priced listings. Its $56 median is 35% below the 2018 Buick Regal transmission control module overall median of $86.
There are 27 other transmission control module variants available for the 2018 Buick Regal.
Pricing is not a fitment guarantee. Match the VIN, part number, engine or drivetrain, and seller-listed variant before ordering.
Same trim, other years
Communication, (OnStar, opt UE1), ID 84128418 in other model years
Same year, other trims
What other 2018 Buick Regal transmission control module variants are available?
Communication, (OnStar, opt UE1), ID 84298328
47 listings$51$45 – $232Theft-Locking, keyless entry, (RH dash), ID 13518841
46 listings$61$50 – $120Communication, (OnStar, opt UE1), ID 84431137
45 listings$90$45 – $189Air Bag, (below center console), w/o automatic braking
44 listings$100$50 – $201Driver Assist, park assist, (LH rear body panel), opt UD5, ID 84078177
44 listings$76$26 – $316Driver Assist, park assist, (LH rear body panel), opt UD7
41 listings$95$51 – $195Memory, (seat, mounted under seat), ID 13517130
40 listings$176$41 – $232Theft-Locking, keyless entry, (RH dash), ID 13523241
40 listings$75$25 – $182Information-GPS-TV, (multimedia player), w/o navigation
39 listings$120$46 – $305Driver Assist, automatic braking (opt UGN), (LH quarter panel), ID 84218070
38 listings$90$25 – $268Driver Assist, automatic braking (opt UGN), (LH quarter panel), ID 84559185
38 listings$90$25 – $268Memory, (seat, mounted under seat), ID 13517135
38 listings$81$45 – $151Temperature, (center dash), ID 13508454
38 listings$110$40 – $250Temperature, (center dash), ID 84188430
38 listings$138$17 – $280Air Bag, (below center console), automatic braking (opt UGN)
37 listings$51$40 – $299Fuel Pump, (LH rear quarter interior), (power control)
37 listings$56$45 – $232Theft-Locking, lock, (rear view mirror)
37 listings$75$25 – $305Driver Assist, park assist, (LH rear body panel), opt UD5, ID 13521136
34 listings$110$30 – $305Temperature, (center dash), ID 84330217
33 listings$99$25 – $191Transmission Control, (external trans mounted)
33 listings$90$46 – $176Temperature, (center dash), ID 84188431
32 listings$99$30 – $213Information-GPS-TV, (multimedia player), navigation, (opt IO6)
31 listings$165$80 – $440Body Control (BCM), (LH dash)
21 listings$50$41 – $177Seat, (heater control, below LH seat)
18 listings$96$40 – $178Suspension, (chassis equipment), (left quarter panel), ID 84126417
17 listings$75$50 – $159Temperature, (center dash), ID 84330220
10 listings$56$25 – $160Suspension, (chassis equipment), (left quarter panel), ID 84349032
5 listings$87$50 – $106Back to full guide
2018 Buick Regal transmission control module — all trims
Common questions
2018 Buick Regal transmission control module (Communication, (OnStar, opt UE1), ID 84128418) FAQ
How much is a used 2018 Buick Regal transmission control module (Communication, (OnStar, opt UE1), ID 84128418)?
Based on 37 priced salvage-yard listings, a used 2018 Buick Regal transmission control module in the Communication, (OnStar, opt UE1), ID 84128418 variant lists between $35 and $407, with a median asking price of $56.
Which years use the Communication, (OnStar, opt UE1), ID 84128418 transmission control module?
The Communication, (OnStar, opt UE1), ID 84128418 variant appears in model years 2017, 2018. Prices and availability may differ by year.