2021 GMC Yukon transmission control module — Differential Lock, (LH quarter panel) price snapshot
- Low
- $75
- Average
- $161
- High
- $235
Year & trim-specific price guide
Used 2021 GMC Yukon Transmission Control Module — Differential Lock, (LH quarter panel) prices
Trim-specific pricing for the Differential Lock, (LH quarter panel) variant of the 2021 GMC Yukon transmission control module, built from 47 real salvage yard listings with condition grade detail.
Price summary
A used 2021 GMC Yukon transmission control module (Differential Lock, (LH quarter panel)) costs $75 to $235, with a median asking price of $175. Based on 47 priced salvage yard listings across the US, updated Aug 28, 2026. Prices exclude shipping, core charges, and installation.
Grade A (excellent)$157
Grade B (good)$215
USD
Condition comparison
Price by part grade
Grade AClean / low wear$75–$23538 listings
Grade BStandard used$100–$2358 listings
Grade CVisible wearUpdating
Grade XUngraded$75–$751 listings
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $75–$235 | 38 | |
| Grade BStandard used | $100–$235 | 8 | |
| Grade CVisible wear | Updating | — | |
| Grade XUngraded | $75–$75 | 1 |
Median by grade
Grade price comparison
Grade A$157
Grade B$215
Ungraded$75
Median asking price by seller-reported condition grade · $75–$235 overall range
Trim-specific context
How does the Differential Lock, (LH quarter panel) compare?
This pricing covers the Differential Lock, (LH quarter panel) variant of the 2021 GMC Yukon transmission control module, based on 47 priced listings. Its $175 median is 11% above the 2021 GMC Yukon transmission control module overall median of $157.
There are 22 other transmission control module variants available for the 2021 GMC Yukon.
Pricing is not a fitment guarantee. Match the VIN, part number, engine or drivetrain, and seller-listed variant before ordering.
Same trim, other years
Differential Lock, (LH quarter panel) in other model years
Same year, other trims
What other 2021 GMC Yukon transmission control module variants are available?
Driver Assist, park assist, (RH quarter panel)
50 listings$168$50 – $235Network Gateway, (LH firewall)
50 listings$190$75 – $350Body Control (BCM), (LH firewall)
50 listings$140$35 – $232Suspension, suspension control, (rear center frame mounted)
50 listings$178$35 – $290Theft-Locking, (theft deterrent, under floor console)
50 listings$145$35 – $210Transmission, (on transmission)
50 listings$159$50 – $296Air Bag, (below LH front seat)
49 listings$165$50 – $243Door, hands free rear closer, (inside lifgate), ID 23414544
49 listings$146$25 – $280Door, power liftgate, (inside LH quarter panel)
49 listings$156$35 – $264Driver Assist, forward collision warning, (LH roof)
49 listings$190$86 – $275Fuel Pump, (below LH pillar)
49 listings$195$51 – $232Memory, (below driver seat), ID 13536041
48 listings$99$41 – $254Towing Control, (RH rear frame)
48 listings$185$50 – $225Communication, telematics (OnStar, opt UE1), ID 84946159
45 listings$125$75 – $405Memory, (below driver seat), ID 13536040
44 listings$80$41 – $257Communication, wireless charger, (under console)
43 listings$100$50 – $216Communication, telematics (OnStar, opt UE1), ID 84946160
41 listings$193$60 – $395Suspension, air suspension (opt F47), suspension control (LH quarter panel)
23 listings$145$75 – $251Suspension, air suspension (opt F47), air suspension control (compressor mounted)
10 listings$216$81 – $286Communication, telematics (OnStar, opt UE1), ID 84946162
2 listings$359$101 – $359Communication, telematics (OnStar, opt UE1), ID 84946163
2 listings$190$100 – $190Door, hands free rear closer, (inside lifgate), ID 86777551
2 listings$225$46 – $225Back to full guide
2021 GMC Yukon transmission control module — all trims
Common questions
2021 GMC Yukon transmission control module (Differential Lock, (LH quarter panel)) FAQ
How much is a used 2021 GMC Yukon transmission control module (Differential Lock, (LH quarter panel))?
Based on 47 priced salvage-yard listings, a used 2021 GMC Yukon transmission control module in the Differential Lock, (LH quarter panel) variant lists between $75 and $235, with a median asking price of $175.
Which years use the Differential Lock, (LH quarter panel) transmission control module?
The Differential Lock, (LH quarter panel) variant appears in model years 2021, 2022, 2023, 2024. Prices and availability may differ by year.