2021 Chevy Suburban transmission control module — Differential Lock, (LH quarter panel) price snapshot
- Low
- $75
- Average
- $165
- High
- $275
Year & trim-specific price guide
Used 2021 Chevy Suburban Transmission Control Module — Differential Lock, (LH quarter panel) prices
Trim-specific pricing for the Differential Lock, (LH quarter panel) variant of the 2021 Chevy Suburban transmission control module, built from 44 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 updatedSep 17, 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 2021 Chevy Suburban transmission control module (Differential Lock, (LH quarter panel)) costs $75 to $275, with a median asking price of $175. Based on 44 priced salvage yard listings across the US, updated Sep 17, 2026. Prices exclude shipping, core charges, and installation.
Grade A (excellent)$175
Grade B (good)$215
USD
Condition comparison
Price by part grade
Grade AClean / low wear$75–$27537 listings
Grade BStandard used$124–$2356 listings
Grade XUngraded$75–$751 listings
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $75–$275 | 37 | |
| Grade BStandard used | $124–$235 | 6 | |
| Grade XUngraded | $75–$75 | 1 |
Median by grade
Grade price comparison
Grade A$175
Grade B$215
Ungraded$75
Median asking price by seller-reported condition grade · $75–$275 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 Chevy Suburban transmission control module, based on 44 priced listings. Its $175 median is 56% above the 2021 Chevy Suburban transmission control module overall median of $112.
There are 24 other transmission control module variants available for the 2021 Chevy Suburban.
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 Chevy Suburban transmission control module variants are available?
Communication, telematics (OnStar, opt UE1), ID 85528813
48 listings$99$50 – $305Theft-Locking, (theft deterrent, under floor console)
48 listings$93$41 – $305Air Bag, (below LH front seat)
46 listings$124$50 – $321Memory, (below driver seat), ID 13536041
46 listings$90$41 – $284Communication, telematics (OnStar, opt UE1), ID 84946159
45 listings$125$70 – $405Transmission, (on transmission)
45 listings$127$30 – $221Body Control (BCM), (LH firewall), ID 13541808
44 listings$75$35 – $321Body Control (BCM), (LH firewall), ID 13546978
44 listings$75$35 – $321Network Gateway, (LH firewall)
43 listings$125$50 – $295Suspension, suspension control, (rear center frame mounted)
43 listings$128$65 – $209Door, hands free rear closer, (inside lifgate), ID 23414544
42 listings$95$25 – $410Door, power liftgate, (inside LH quarter panel)
42 listings$120$50 – $284Memory, (below driver seat), ID 13536040
42 listings$51$40 – $260Communication, telematics (OnStar, opt UE1), ID 84946160
41 listings$193$60 – $395Communication, wireless charger, (under console)
40 listings$71$25 – $166Driver Assist, forward collision warning, (LH roof)
40 listings$153$45 – $277Driver Assist, park assist, (RH quarter panel)
36 listings$120$41 – $295Fuel Pump, (LH frame rail)
36 listings$176$75 – $176Towing Control, (RH rear frame)
33 listings$125$35 – $260Suspension, 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
3 listings$101$100 – $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 Chevy Suburban transmission control module — all trims
Common questions
2021 Chevy Suburban transmission control module (Differential Lock, (LH quarter panel)) FAQ
How much is a used 2021 Chevy Suburban transmission control module (Differential Lock, (LH quarter panel))?
Based on 44 priced salvage-yard listings, a used 2021 Chevy Suburban transmission control module in the Differential Lock, (LH quarter panel) variant lists between $75 and $275, 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, 2025. Prices and availability may differ by year.