2020 Buick Encore GX transmission control module — Differential Lock, (rear differential) price snapshot
- Low
- $50
- Average
- $88
- High
- $163

Year & trim-specific price guide
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.
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.
A used 2020 Buick Encore GX transmission control module (Differential Lock, (rear differential)) costs $50 to $163, with a median asking price of $65. Based on 6 priced salvage yard listings across the US, updated Oct 14, 2026. Prices exclude shipping, core charges, and installation.
Condition comparison
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $50–$65 | 2 | |
| Grade BStandard used | $120–$163 | 2 | |
| Grade XUngraded | $65–$65 | 2 |
Median by grade
Median asking price by seller-reported condition grade · $50–$163 overall range
Trim-specific context
This pricing covers the Differential Lock, (rear differential) variant of the 2020 Buick Encore GX transmission control module, based on 6 priced listings. Its $65 median is 28% below the 2020 Buick Encore GX transmission control module overall median of $90.
There are 18 other transmission control module variants available for the 2020 Buick Encore GX.
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
Back to full guide
Common questions
Based on 6 priced salvage-yard listings, a used 2020 Buick Encore GX transmission control module in the Differential Lock, (rear differential) variant lists between $50 and $163, with a median asking price of $65.
The Differential Lock, (rear differential) variant appears in model years 2020, 2021, 2022, 2023, 2024, 2025. Prices and availability may differ by year.