Professional-grade programmable smart key engineered for Toyota and Lexus late-model vehicles (2018-2022)!
The Lonsdor LT20-08 features dual 8A+4D chip support.
Fully compatible with Lonsdor K518ISE/K518S/KH100+ programmers.
Why Choose Lonsdor LT20-08 for Toyota & Lexus?
✅ Exact Fit for 2018-2022 Toyota & Lexus Models
Precision-calibrated for a range of mainstream Toyota and Lexus vehicles, covering the most in-demand late-model models:
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Toyota: Camry (18-19), C-HR (22), Izoa (18-22), RAV4 (20-22), Wildlander (18-22), Avalon (18-22)
Equipped with factory-matched 0410 board number and 4-button OEM layout (Lock/Unlock/Trunk/Panic), it mirrors the original key’s performance for keyless entry and smart key functionality—no signal lag, no pairing errors.
✅ Dual 8A+4D Chip Support & Seamless Conversion
The standout feature of the LT20-08! It natively supports 8A chip and enables one-click conversion to 4D chip (and vice versa) via Lonsdor programmers—eliminating the need to stock separate keys for different Toyota/Lexus immobilizer systems. This dual-chip design makes it a versatile all-in-one solution for your locksmith toolkit, covering more vehicle variants with a single key.
✅ Board numbers
8A : 0010, 0040, 0182, 0410, 2110, 3330, 3950, 0011, 0101, 0350, 0440, 2150, 3410, F43口, 0020, 0120,0351, 2020, 2230, 3450, 6100, 0250, 3041, P7000
4D : 0031, 0140, F433, S0751, 3370, S5290, 5380, 6221, S7210, 7990, 0091, 0310, 0500, 0780, 4610, 5300,5691, 6230, 7930, 0111, A433, 0751, S0780, 5290, 5360, S5801, 6601, 7980
✅ Stable Signal & Premium Build Quality
Crafted with genuine Lonsdor industrial-grade components, this smart key delivers consistent, long-range signal strength with its 433.58/434.42MHz FSK modulation—resistant to signal interference and daily wear. Weighing just 100g (0.22LB), it’s compact and lightweight, perfect for on-site mobile key service jobs. Built to withstand temperature changes and minor impacts, it ensures long-term reliability for professional use.
✅ 10 Versatile Programmable Functions
Unlock full control over key customization and performance with 10 professional functions (minor variations by programmer), all accessible via Lonsdor K518/KH100+ series:
- Get key version/hardware information
- Read original button function layout
- Convert button functions for custom use
- Unlock key for initial programming
- Upgrade key firmware for new model support
- Modify remote frequency for regional compatibility
- Copy 8A smart key data (KH100+ exclusive)
- Convert smart key chip type (8A ↔ 4D)
- Modify remote count value for vehicle sync
- Generate emergency key (K518 series exclusive)
✅ Seamless Compatibility with Lonsdor Programmers
Designed for plug-and-play use with Lonsdor’s industry-leading key programming tools—the most trusted devices for Toyota/Lexus key work:
- Lonsdor K518ISE / K518S (tablet-style professional programmers)
- Lonsdor KH100+ (portable handheld programmer for on-site jobs)
No extra software, no activation fees—simply connect the key to your Lonsdor programmer, follow the on-screen prompts, and finish programming in minutes, even for beginner techs.
Lonsdor LT20-08 Core Product Specifications
| Feature | Detailed Information |
|---|---|
| Brand | Genuine Lonsdor |
| SKU | SA2141-08 |
| Fitment | Toyota/Lexus 2018-2022 (see model list) |
| Chip Type | 8A+4D (support mutual conversion) |
| Board Number | 0410 |
| Button Count | 4 Buttons (Lock/Unlock/Trunk/Panic) |
| Frequency | 433.58/434.42MHz |
| Modulation | FSK |
| Weight | 100g (0.22LB) |
| Compatible Programmers | Lonsdor K518ISE/K518S/KH100+ |
| Condition | Brand New, In Stock |
| Discount | 13% OFF (Limited Time) |
What’s Included in Your Order
✅ 1× Genuine Lonsdor LT20-08 8A+4D Smart Key (Toyota & Lexus)
Ready to program with Lonsdor K518/KH100+—no additional parts required for initial generation!
Simple Programming Steps (For Lonsdor K518/KH100+)
- Power on your Lonsdor programmer and select Toyota/Lexus from the brand menu.
- Navigate to the target model (e.g., Toyota RAV4 2020-2022) and select Smart Key Generation.
- Connect the LT20-08 key to the programmer via the dedicated key slot/cable.
- Choose your desired function (chip conversion, frequency modification, key generation, etc.) and follow on-screen prompts.
- Complete vehicle pairing—your LT20-08 smart key is now fully functional!
Key Function Differences: K518 Series vs. KH100+
Both programmers work seamlessly with the LT20-08, with exclusive features to suit your toolkit needs:
| Function | Lonsdor K518ISE/K518S | Lonsdor KH100+ |
|---|---|---|
| Get Version Info | ✅ | ✅ |
| Read/Convert Button Functions | ✅ | ✅ |
| Modify Frequency/Chip Type | ✅ | ✅ |
| Unlock/Upgrade Key | ✅ | ✅ |
| Copy 8A Smart Key Data | ❌ | ✅ |
| Generate Emergency Key | ✅ | ❌ |
Who This Lonsdor LT20-08 Smart Key Is For
This Lonsdor LT20-08 is a professional-grade tool designed for automotive locksmiths, mobile key service technicians, and auto repair shops that service late-model Toyota and Lexus vehicles. It’s the perfect solution for:
- Replacing lost/damaged original Toyota/Lexus 2018-2022 smart keys
- Adding spare smart keys for Toyota/Lexus owners
- On-site mobile key programming jobs (compact, lightweight design)
- Streamlining your inventory (dual-chip design = fewer keys to stock)
Important Notes
- This smart key requires Lonsdor K518ISE/K518S/KH100+ programmers for generation/programming—cannot be used as a standalone key without professional programming.
- Exclusively for Toyota/Lexus 2018-2022 models listed—no compatibility with other years or non-Toyota/Lexus vehicles.
- Genuine Lonsdor product: backed by consistent quality and ongoing firmware updates for new model support.
