5 best OBD2 splitter cables to buy [Cyber Monday]

Tashreef Shareef
by Tashreef Shareef
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OBD Y Splitter Extension cable

Most of the vehicles come with a single OBD connector to link third-party devices to the on-board diagnostic computer.

However, at times, you may want to connect two devices to the same connector.

This is where OBD2 splitter extension cables come in handy. The OBD2 splitter cable allows you to connect 2 OBD devices, like a digital gauge and dashcam at the same time.

In this article, we have listed the best OBD2 splitters so that you can connect multiple devices to your car with ease.

Note: Deals are subject to change. Keep in mind that the price tag often varies. We recommend going on the vendor’s website to check the price. Some of the products may be out of stock by the time you’ve made your purchasing decision. So, hurry up and hit the buy button.

What are the best OBDII splitter extension cable deals?

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bbfly-A9 OBD II

  • Connect multiple devices using 2 16 pin connectors
  • Reduces the wear and tear on your scanning tool
  • Durable cable at a reasonable price
  • Ultra-flat portable design
  • Cable management can be tricky

bbfly-A9 OBD II is a well built 16 pin splitter extension cable for your car. It comes with 1 male and 2 female extension cable adapters to connect two devices simultaneously.

Talking about the features, bbfly-A9 OBD II passes all 16 pins straight through without sharing ground wires.

The cable has been made from high-quality materials for superior flexibility and durability.

bbfly-B6 OBD II

  • Premium OBD2 splitter with braided cable looks
  • High quality, ultra-flat low-profile extension cables
  • Easy to install
  • Portable and compact design
  • The male plug is not a perfect fit for the OBDII port

If you want a complete stealth look for the OBD connection, the bbfly-B6 OBD II offers the braided cable look that makes it almost invisible to the eyes.

Similar to other bbfly OBD3 splitters, it also comes with 16 pins splitter connector.

The 2 female connectors can be used to connect two devices like a dashcam and a Ngauge.

bbfly-B6 OBD II offers two cables instead of two adapters attached to a single cable.

Mo-Co-So OBD II Y Splitter Cable

  • Uniquely designed OBD2 splitter extension cable
  • Right angle primary connection ideal for American/left-hand drive countries
  • Cheap OBD2 splitter with solid build
  • 30 cm long cable
  • Occasional communication drops

If you are looking for a more affordable alternative, Mo-Co-So OBD II is a right angle cable with 2 female J1962 ports. It comes with a unique design making it ideal to connect two devices to OBD.

Mo-Co-So extension cables are made of high quality flexible shielded wires along with high quality over mold connectors.

Right Angle Universal OBD II

  • Universal OBD2 splitter extension cable
  • Small under dash bracket included for better cable management
  • Ample cable length to connect heavy-duty cable and connectors
  • 2 times tested quality
  • No major issue

Right Angle Universal OBD II is a universal OBD 2 16 pin connector. It works with all the vehicles that offer a 16-pin OBD connection, irrespective of the country.

It also has long extension cables making it easy to install two devices while keeping them at a distance. 

Included in the package you’ll find a small Under dash bracket for better cable management.

bbfly-B4 OBD II

  • High-quality OBD 2 splitter extension cables
  • Long cables to connect heavy-duty connectors
  • Passthrough 16 pins technology
  • Durable material
  • Cable management can be tricky

If you need longer cables to connect your OBD devices, bbfly-B4 OBD II offers 1FT/30CM cables with 16 pin splitter extension. The cable is made of high-quality materials for durability.

The cable passes all 16 pins straight though without requiring shared ground wires.


OBD2 splitters are excellent accessories that allow you to connect multiple devices to your vehicle simultaneously.

However, some OBD2 splitters may not be compatible with all the vehicles. Make sure to check for your car’s requirements before placing the order and don’t forget to share your choice with us via the comments section below.

FAQ: Learn more about OBD II

  • Do obd2 splitters work?

Since the OBD II port is not meant to be used as a USB hub, using an OBD 2-compliant splitter cable is your best chance to connect multiple devices at once.

  • Is obd2 universal?

Pretty much, yes. You can either connect your PC to the OBD II port of your car via a cable, or you can run diagnostics by using standalone OBD2 scanners.

  • What’s the difference between OBD and obd2?

They both provide important data about your car such as air temperature, coolant, and more. The difference resides in the connection type (via a console for OBD while OBD2 can connect remotely).

Editor’s Note: This post was originally published in November 2019 and has been since revamped and updated in November 2020 for freshness, accuracy, and comprehensiveness.

Editor's Note: This article was originally published in November 2019 and was revamped and updated in November 2020 for freshness, accuracy, and comprehensiveness.