2019 Buick Regal transmission control module — Driver Assist, automatic braking (opt UGN), (LH quarter panel), ID 84559185 price snapshot
- Low
- $40
- Average
- $159
- High
- $239
Year & trim-specific price guide
Used 2019 Buick Regal Transmission Control Module — Driver Assist, automatic braking (opt UGN), (LH quarter panel), ID 84559185 prices
Trim-specific pricing for the Driver Assist, automatic braking (opt UGN), (LH quarter panel), ID 84559185 variant of the 2019 Buick Regal transmission control module, built from 32 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 7, 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 2019 Buick Regal transmission control module (Driver Assist, automatic braking (opt UGN), (LH quarter panel), ID 84559185) costs $40 to $239, with a median asking price of $180. Based on 32 priced salvage yard listings across the US, updated Oct 7, 2026. Prices exclude shipping, core charges, and installation.
Grade A (excellent)$190
Grade B (good)$177
USD
Condition comparison
Price by part grade
Grade AClean / low wear$40–$23919 listings
Grade BStandard used$99–$23912 listings
Grade XUngraded$85–$851 listings
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $40–$239 | 19 | |
| Grade BStandard used | $99–$239 | 12 | |
| Grade XUngraded | $85–$85 | 1 |
Median by grade
Grade price comparison
Grade A$190
Grade B$177
Ungraded$85
Median asking price by seller-reported condition grade · $40–$239 overall range
Trim-specific context
How does the Driver Assist, automatic braking (opt UGN), (LH quarter panel), ID 84559185 compare?
This pricing covers the Driver Assist, automatic braking (opt UGN), (LH quarter panel), ID 84559185 variant of the 2019 Buick Regal transmission control module, based on 32 priced listings. Its $180 median is 80% above the 2019 Buick Regal transmission control module overall median of $100.
There are 22 other transmission control module variants available for the 2019 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
Driver Assist, automatic braking (opt UGN), (LH quarter panel), ID 84559185 in other model years
Same year, other trims
What other 2019 Buick Regal transmission control module variants are available?
Memory, (seat, mounted under seat), ID 13517135
37 listings$99$40 – $218Memory, (seat, mounted under seat), ID 13517130
34 listings$46$41 – $232Theft-Locking, lock, (rear view mirror)
33 listings$190$46 – $195Transmission Control, (LH engine compartment)
33 listings$51$46 – $232Air Bag, (below center console), w/o automatic braking
32 listings$46$41 – $100Communication, wireless charger (opt K4C)
30 listings$195$56 – $232Driver Assist, park assist, (LH rear body panel), opt UD5
30 listings$99$25 – $232Information-GPS-TV, (multimedia player), navigation, (opt IO6)
30 listings$195$118 – $316Body Control (BCM), (LH dash)
26 listings$50$41 – $125Temperature, (center dash), ID 84330217
24 listings$100$40 – $191Network Gateway, (LH dash mounted)
13 listings$51$46 – $232Communication, telematics (OnStar, opt UE1)
12 listings$190$81 – $232Theft-Locking, keyless entry, (RH dash), ID 13523241
12 listings$51$46 – $232Driver Assist, automatic braking (opt UGN), (LH quarter panel), ID 84218070
11 listings$239$190 – $239Driver Assist, park assist, (LH rear body panel), opt UD7
11 listings$232$40 – $232Theft-Locking, keyless entry, (RH dash), ID 13518841
11 listings$190$61 – $195Air Bag, (below center console), automatic braking (opt UGN)
10 listings$125$51 – $232Information-GPS-TV, (multimedia player), w/o navigation
10 listings$220$50 – $232Temperature, (center dash), ID 84330220
10 listings$56$25 – $160Seat, (heater control, below LH seat)
7 listings$48$40 – $129Suspension, (chassis equipment), (left quarter panel), ID 84126417
5 listings$55$50 – $142Suspension, (chassis equipment), (left quarter panel), ID 84349032
5 listings$87$50 – $106Back to full guide
2019 Buick Regal transmission control module — all trims
Common questions
2019 Buick Regal transmission control module (Driver Assist, automatic braking (opt UGN), (LH quarter panel), ID 84559185) FAQ
How much is a used 2019 Buick Regal transmission control module (Driver Assist, automatic braking (opt UGN), (LH quarter panel), ID 84559185)?
Based on 32 priced salvage-yard listings, a used 2019 Buick Regal transmission control module in the Driver Assist, automatic braking (opt UGN), (LH quarter panel), ID 84559185 variant lists between $40 and $239, with a median asking price of $180.
Which years use the Driver Assist, automatic braking (opt UGN), (LH quarter panel), ID 84559185 transmission control module?
The Driver Assist, automatic braking (opt UGN), (LH quarter panel), ID 84559185 variant appears in model years 2018, 2019, 2020. Prices and availability may differ by year.