2021 Land Rover Defender transmission control module — Differential Lock, (rear differential mounted) price snapshot
- Low
- $50
- Average
- $164
- High
- $286
Year & trim-specific price guide
Used 2021 Land Rover Defender Transmission Control Module — Differential Lock, (rear differential mounted) prices
Trim-specific pricing for the Differential Lock, (rear differential mounted) variant of the 2021 Land Rover Defender transmission control module, built from 31 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 28, 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 Land Rover Defender transmission control module (Differential Lock, (rear differential mounted)) costs $50 to $286, with a median asking price of $172. Based on 31 priced salvage yard listings across the US, updated Sep 28, 2026. Prices exclude shipping, core charges, and installation.
Grade A (excellent)$172
USD
Condition comparison
Price by part grade
Grade AClean / low wear$50–$28631 listings
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $50–$286 | 31 |
Trim-specific context
How does the Differential Lock, (rear differential mounted) compare?
This pricing covers the Differential Lock, (rear differential mounted) variant of the 2021 Land Rover Defender transmission control module, based on 31 priced listings. Its $172 median is 17% below the 2021 Land Rover Defender transmission control module overall median of $206.
There are 10 other transmission control module variants available for the 2021 Land Rover Defender.
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, (rear differential mounted) in other model years
Same year, other trims
What other 2021 Land Rover Defender transmission control module variants are available?
Seat, (seat track mounted), (heating and cooling)
35 listings$125$44 – $193Theft-Locking, (LH underfront seat)
31 listings$200$95 – $309Suspension, (air suspension, RH inner quarter panel)
25 listings$350$72 – $445Air Bag, (under center console)
24 listings$304$165 – $530Driver Assist, (rear park assist, LH inner fender)
23 listings$406$189 – $569Door, front, LH
18 listings$206$60 – $254Door, rear, LH
11 listings$206$70 – $243Door, front, RH
10 listings$206$60 – $243Door, rear, RH
9 listings$206$70 – $243Towing Control, (rear compartment)
9 listings$352$175 – $386Back to full guide
2021 Land Rover Defender transmission control module — all trims
Common questions
2021 Land Rover Defender transmission control module (Differential Lock, (rear differential mounted)) FAQ
How much is a used 2021 Land Rover Defender transmission control module (Differential Lock, (rear differential mounted))?
Based on 31 priced salvage-yard listings, a used 2021 Land Rover Defender transmission control module in the Differential Lock, (rear differential mounted) variant lists between $50 and $286, with a median asking price of $172.
Which years use the Differential Lock, (rear differential mounted) transmission control module?
The Differential Lock, (rear differential mounted) variant appears in model years 2020, 2021, 2022, 2023. Prices and availability may differ by year.