Updated: 16 Feb 2026

10 Best obd lock protectors of 2026

Updated: 16 Feb 2026

#1

Best Choice

OBD2 Port Anti-Theft Tool, OBD Lock Protector with Key

9.8

bbfly

Read more

Main highlights

**Superior Build Quality and Durability**: Weighing in at a robust 130 grams, our OBD lock is significantly heavier and more solidly constructed than competing products. Made from high-grade materials, it withstands tampering attempts far better than lightweight alternatives fixed with vulnerable screws. This added weight and sturdiness ensure long-lasting performance, giving you peace of mind that your vehicle is safeguarded against sophisticated theft techniques.

**Proven Vulnerability Protection Over Competitors**: While other OBD locks on the market use screw-based fixation methods—often disguised as unique anti-theft screws—these can be easily defeated with simple tools like tweezers or pliers. Our innovative key-operated system eliminates this flaw entirely, offering a true mechanical barrier that thieves can't bypass without the matching key. This makes our product a superior choice for preventing key cloning and vehicle theft.

**Advanced Key-Lock Mechanism for Ultimate Security**: Our OBD lock features a high-precision internal lock cylinder with 10,000 unique blade variations and corresponding key codes. This ensures that each lock has its own distinct key that cannot be interchanged with others, providing unparalleled protection against unauthorized access. Unlike competitors' products that rely on easily bypassed anti-theft screws, our design requires a physical key to unlock, making it virtually impossible for thieves to connect electronic devices to your vehicle's OBD port and clone keys.
#2

Best Value

OBD Lock, bbfly-K02 ODB Port Locking Tool, Car OBD2 Protector Device (K02)

9.6

bbfly

Read more

Main highlights

With an aluminum alloy shell and reinforced ABS, BBFLY OBD lock can prevent violent unlocking. Without a key with your code, the OBD lock cannot be dismantled without damaging the pins and wiring harness.

Other products available on the market are fixed with screws. BBFLY OBD2 lock needs a key only to lock and unlock the OBD port.

BBFLY OBDII lock perfectly replaces screw locking by using a key and an integrated key cylinder. Screw locking has apparent defects, such as complex installation and disassembling and high probability of being unlocked by small tools.
Curious about how we select the top products for you? Explore How It Works

How do we rank
Our AI-powered platform ranks products using multiple weighted factors from millions of products and user reviews across the web, providing the most valuable and real data. Higher scores rank first.
#3

OYES OBD II Port Lock OBD 2 Port-Lock Car Diagnostic Port Protector

9.3

OYES

Read more

Main highlights

【Protection】OBD protection lock prevents access to the vehicle's OBD port, preventing thieves from accessing the vehicle's diagnostic system, thus preventing the vehicle from being stolen.

【Privacy and Security】 Protection of the OBD plug prevents leakage of personal information, as access to the OBD plug may expose the vehicle's diagnostic information and sensitive data.

【Material】OBD port lock is made of high quality Made of Aluminium and POM for better protection and security, with a unique design that is not only protective but also aesthetically pleasing.
#4

WYLAM OBD 2 Port Lock CAR Anti Theft Security OBDII Key Antitheft OBD II On Board Diagnostic Socket Locked Protector for Cars & Truck Obdkey Locking Tool

9.1

WYLAM

Read more

Main highlights

[ENHANCES VEHICLE SECURITY] The OBD II Port Lock secures your car’s OBD-II port, preventing unauthorized access and potential theft. This product helps to safeguard your vehicle against modern theft methods, enhancing overall security.

[EASY INSTALLATION & COMPATIBILITY] This OBD II Port Lock is a user-friendly security solution designed for easy installation. It is compatible with most OBD-II equipped vehicles and requires no additional tools, ensuring fast and hassle-free protection for your car.

[DURABLE & RELIABLE MATERIALS] Crafted from high-quality materials, this device is built to last. It effectively secures your vehicle’s OBD-II port, offering enhanced durability and protection against tampering, ensuring long-term security for your car.
#5

WIKIBB OBD II Port Lock OBD 2 Port-Lock Car Diagnostic Port Protector

9.0

WIKIBB

Read more

Main highlights

【Protection】OBD protection lock prevents access to the vehicle's OBD port, preventing thieves from accessing the vehicle's diagnostic system, thus preventing the vehicle from being stolen.

【Privacy and Security】 Protection of the OBD plug prevents leakage of personal information, as access to the OBD plug may expose the vehicle's diagnostic information and sensitive data.

【Material】OBD port lock is made of high quality Made of Aluminium and POM for better protection and security, with a unique design that is not only protective but also aesthetically pleasing.
#6

OBD Port Lid | Waterproof OBD Port Lock Anti-Theft Protector | Silicone Protective Sleeve for Variety of Models Automotive

8.9

Generic

Read more

Main highlights

Wide Range of Uses: Trusty lock, protecting your car from potential theft, suitable for all car brands, versatile for various environments, ideal for diverse usage scenarios

Strong Material: With sturdy construction, our OBD cover lock is made of high-grade silicone, which provides a waterproof and rust-proof barrier, ensuring long-lasting protection for your vehicle's diagnostics

Improved Interior Style: Exquisite workmanship improves the appearance, ensuring a seamless integration within the car's interior for a sophisticated look
#7

Luocute OBD2 Port Lock, Metal OBD Port Anti Theft Protector with Dedicated Removal Tool, Electrical System Tools Antitheft Accessories for Cars SUVs Trucks

8.8

Luocute

Read more

Main highlights

Secure OBD Port Protection: This obd port lock firmly secures the OBD2 interface, preventing removal without the dedicated removal tool. Thieves cannot tamper with the port without causing damage, significantly reducing vehicle theft risking.

Quick Installation and Removal: The obd lock anti theft protector is designed for easy use, installation or removal takes just seconds with the included tool, while unauthorized removal is nearly impossible.

Prevent Unauthorized Key Cloning: When your vehicle is out of sight, this obd lock ensures protection against key duplication attempts via the OBD2 port, safeguarding your car from unauthorized access.
#8

Naroote ODB Port Locking Tool Aluminium Alloy Anti Pry Anti Theft OBD Port Protector Locking Device Lockout Tool for Cars SUVs Trucks

8.7

Naroote

Read more

Main highlights

【OBD Port Anti-Theft】This obd2 port lock anti theft effectively secures your vehicle’s OBD interface, blocking illegal connections that enable car theft via the port. It adds a critical security layer to safeguard against key cloning and ECU programming/overwriting, boosting overall vehicle protection for daily use or parking.

【Broad Vehicle Compatibility】This obd2 lock fits most cars, SUVs, and trucks with standard OBD interfaces (excluding specific), supporting non-destructive installation with no vehicle modifications or part removal. It delivers universal applicability for diverse vehicle types, making it a versatile security upgrade for various drivers.

【Aluminum Alloy Structure】Crafted from aluminum alloy with an integrated tamper-proof design, this obd2 port lock anti theft offers strong anti-impact and anti-pry performance. It resists damage from long-term use and cannot be opened illegally, forming a sturdy barrier that maintains security integrity for prolonged periods.
#9

OBD II Port Lock Protector, Aluminum Car Car Diagnostic Port Locking Tool, Prevent Illegal Access & Ensure Vehicle Safety

8.6

YIBEICO

Read more

Main highlights

【Security Design】OBD port lock, using security screws to protect the port, when opening it requires a specific security key to open the port lock, higher security.

【Protection】OBD protection lock is like a sturdy defense line, which can effectively prevent illegal personnel from accessing the vehicle's OBD port, leaving no opportunity for criminals to take advantage of. It is a very worthwhile product to purchase.

【Privacy and Security】 Protection of the OBD plug prevents leakage of personal information, as access to the OBD plug may expose the vehicle's diagnostic information and sensitive data.
#10

OBD Port Lid - Waterproof OBD Port Lock Anti-Theft Protector - Protective Sleeve Accessories for Vehicle Repair Shops, Home Garages, Variety of Models

8.5

Generic

Read more

Main highlights

Widely Applicable: With its strong compatibility and reliability, this lock provides added protection for your vehicle from theft, making it a versatile solution for any car brand and environment

Improved Security Features: Crafted with excellence, the OBD cover lock displays an easy yet stunning version, improving aesthetics while blending seamlessly with the car's interior

Endurable Materials: Crafted from high-grade silicone, this waterproof and rust-proof OBD cover lock assures a sturdy protect for your vehicle's diagnostics