Best OBD2 Splitters of 2020 – Complete Buyer’s Guide

Getting an efficient OBD2 splitter will help the diagnostic tool to detect the problem in your vehicle seamlessly. However, it can be daunting to choose the right model for you among so many models.

In order to simplify your search, we have reviewed some hot-favorite OBD2 splitters currently available in the market. This will surely end your search for the right one!

Comparison of the Best OBD2 Splitters


Diageng Right Angle OBD II

  • Flexible yet a robustly designed cable
  • Right angle cable to support American vehicles
  • High-quality construction, making it the best overall
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bbfly-A9 OBD II OBD2 16 Pin Splitter Extension

  • Highly flexible to mark versatility
  • Runner-up model features a 16-pin socket
  • Quality construction to serve you in the long run
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Docooler 16Pin OBD2

  • 16-pin cable to support OBD2 equipment
  • A great signal splitter, this model is the best for the money
  • Allows the connection of 2 devices at a time to mark perfection
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OLLGEN 60CM Ultra Slim 2 in 1 OBDII

  • Ultra-slim design with 16-pin connector
  • Quality construction that guarantees durability
  • Compatible with OBD2 scanners having 16-pin socket
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  • Flexible design to ease the task
  • 16-pin connector to suit OBD2 scanning tools
  • A 50 cm cable that offers connectivity for 3 OBD2 devices
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What is an OBD2 Splitter and What is it Used For?

An OBD2 splitter is basically an accessory for OBD2 diagnostic tools. These splitters are commonly referred to as the extension cables having multiple designs to suit certain scanning tools. They are flexible and equipped with a 16-pin plug to connect with the socket of any scanner. 

Some of them even have multiple plugs to connect to more than one device simultaneously. These splitters are proved to be a beneficial accessory for operating scanning tools and ultimately help in the detection of a fault in different systems of the vehicle. The most remarkable features of these OBD2 splitters are instant installation and ease of use.

How to Choose an OBD2 Splitter

Picking an OBD2 splitter among so many options can be really difficult. In order to ease the task, you should look for some major features in any model. This way, you will easily find the right product best suited to your demands. Below are a couple of important features that make for a great OBD2 splitter.

Flexible Design

One of the significant features to look for is the flexible design of extension cables. This lets you route them according to your choice. Moreover, it reduces the chances of any potential damages that a stiff wire may face.

Robust Construction

When it comes to extension cables, there are numerous brands on the market. Therefore, you must opt for a model that is made from heavy-duty material and capable of serving the customer for a long time period. For example, you can look for a long, flexible, and low profile OBD2 splitter.


Not everybody can afford to spend a lot of money while making a purchase. Therefore, you must think about your budget and then choose a product that comes with all the desired features. Plus, it should be available at an affordable price.


This is a prominent feature of OBD2 splitters. You should always grab such extension cables that show compatibility with multiple OBD2 scanning tools in order to save the user from purchasing a specific cable for certain equipment.


Many companies offer a certain warranty on their products. Therefore, it is better to pick a splitter that is backed by an impressive warranty to save any additional expenditure in the future.

Quick Take - Best OBD2 Splitters

In a hurry? Here's a snapshot of the best OBD2 splitters:

  1. Diageng Right Angle OBD II
  2. bbfly-A9 OBD II OBD2 16 Pin Splitter Extension
  3. Docooler 16Pin OBD2

Review of the Best OBD2 Splitters

This was all about the important features you should always look for while making a purchase. Now let’s start the review of our favorite products. This will surely help you find the one you are looking for.

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  • Wire is shielded to avoid any damage
  • Made from heavy-duty materials to last long
  • Backed by a 1-year warranty to mark reliability
  • Black colored cable to go with any OBD2 device
  • Equipped with a great design that is attractive to look at


  • Customer service is poor
  • Does not work with some equipment
  • Might face some communication error

What Recent Buyers Report

This product is very popular among its customers for a number of reasons. One thing users like about this model is its longevity due to its quality construction. Since it is made from high-grade materials, it serves the user in the long run. Moreover, it comes with a 1-year warranty, which is quite impressive.

Why it Stands Out to Us

In case you are looking for a nicely designed OBD2 splitter, you should definitely grab the Diageng Right Angle OBD II. This remarkable right angle cable is perfect for serving its customers for a long time period. It is completely shielded to avoid any likely damage. Plus, it is short and can be managed easily.

Who Will Use This Most

A compact and versatile cable, this product is an ideal choice for any person who loves to have a wire with a robust design. Being a right-hand wire, it is quite suitable for American vehicles for the installation of different equipment. Moreover, it is capable of withstanding harsh conditions by virtue of its shielded design.

Bottom Line

An extraordinary product with a variety of features, the Diageng Right Angle OBD II is meant to last long. You can easily use this wire for various purposes. Its users are highly satisfied with its performance. Moreover, manufacturers offer a great warranty of 1-year to mark the reliability of the product. 

bbfly-A9 OBD II OBD2 16 Pin Splitter Extension 1x Male and 2X Female Extension Cable Adapter (2FT/60CM)


  • A flexible design to limit any damage
  • Can be handled easily thus easy to use
  • Compact design improves its portability
  • Made from robust materials to mark durability
  • 16-pin socket is compatible with many diagnostic tools


  • Might get stuck at times
  • Lacks any impressive warranty
  • Not enough power delivery through the cable

What Recent Buyers Report

Similar to our best product, this runner-up model is also appreciated by customers. They use it for various purposes and are quite satisfied with its performance. The most loved feature is its nice design that is quite strong as well. Moreover, it is very easy to use and thus can save the user from any confusion.

Why it Stands Out to Us

This product is no less than our best product. A great model from bbfly, the A9 OBD II OBD2 16 Pin Splitter Extension is capable of serving various purposes. There is no shared ground wire, and the 16-pin socket shows support for almost all OBD2 diagnostic tools. Moreover, its robust design is meant to last long.

Who Will Use This Most

A spectacular cable with quality construction, this model is suitable for anyone who needs a versatile cable to suit their OBD2 equipment. Moreover, being a user-friendly model, it can be used by beginners as well. Similarly, a person who moves around a lot can use this cable due to its compact and lightweight design.

Bottom Line

The bbfly-A9 OBD II OBD2 16 Pin Splitter Extension is undoubtedly the powerhouse of features. Whether we talk about its great design or heavy-duty construction, this model has always got positive remarks from customers. Moreover, this cable will surely help you get the best out of your OBD2 equipment.

Best for the Money:
Docooler 16Pin OBD2

Docooler 16Pin OBD2 Splitter Extension Cable Male to Dual Female Y Cable 30cm


  • Quite flexible in its operation
  • Lightweight and thus can be carried around easily
  • Offers the connectivity of 2 devices simultaneously
  • Equipped with a great design that is built to last long
  • Surely one of the most affordable models in the market


  • Relatively a stiff wire
  • Design can be improved
  • Splitter end is a bit longer that may cause interference

What Recent Buyers Report

Another nice product on the list, this model has also received many positive reviews from customers. The most striking quality is its affordable price tag and that too, with a number of exceptional features. Moreover, it allows the users to connect 2 devices at a time to complete their tasks simultaneously.

Why it Stands Out to Us

This Docooler 16Pin OBD2 mainly stands out to us for its reasonable cost that is quite appealing to many customers. This 30cm long cable is equipped with many features, including a great design that is quite smooth in operation and lets you connect two devices simultaneously. This way, you don’t have to compromise on the signal quality as well. 

Who Will Use This Most

Being an economic model, this extension cable is surely a suitable option for those on a tight budget. It comes with all the features that you would look for in a nice OBD2 splitter. Moreover, since it allows you to connect 2 devices at a time, it can be used by anyone who wants to do multiple tasks simultaneously.

Bottom Line

One of the most affordable models on the market, the Docooler 16Pin OBD2 should not be missed. It offers a connection for 2 devices and is equipped with a quality design that guarantees the durability of the product. Overall, it is a smoothly-operated extension cable that supports various OBD2 devices to help you in the hour of need.

OLLGEN 60CM Ultra Slim 2 in 1 OBDII OBD2 Cable 16 Pin Female to Male/Female Extension Connector Cable Splitter,24Inch/2Feet


  • Convenient to carry around
  • Easy to install thus, user-friendly
  • Very flexible to support many OBD2 scan tools
  • Made from heavy-duty materials to improve longevity
  • Embellished with an ultra-slim design that is appealing


  • No warranty offered
  • Not suitable for snapshot devices
  • Might get in your way while driving

What Recent Buyers Report

Customers are quite satisfied with this product and have many positive reviews as well. This extension cable is much appreciated for supporting multiple OBD2 diagnostic tools to help the user in the hour of need. Moreover, it is lightweight for enhanced portability, which makes it a popular option for many customers.

Why it Stands Out to Us

In case you need a great extension cable to connect your scanning tool, get your hands on the Docooler 16Pin OBD2. Not only does this model have an attractive design, but it is quite flexible as well. It shows compatibility with many OBD2 tools featuring a 16-pin socket. Moreover, its easy installation will let you complete the task in no time.

Who Will Use This Most

An easy-to-use splitter, this product is an ideal choice for those people who do not want to spend money on calling for professional help. It can be installed easily and also saves the connector from any damage. This way, you don’t have to make frequent purchases.

Bottom Line

The Docooler 16Pin OBD2 is an economical and user-friendly extension cable. It comes with a 16-pin connector that can be attached to any 16-pin socket for instant remarkable performance. Similarly, this product is made of high-quality materials, which is meant to bring value to your money in the long run. 

iKKEGOL OBD2 OBDII 1 to 3 Ultra Low Profile 16 Pin Male to Female Y Splitter Cord Diagnostic Extension Cable with Individually Power Switch 50cm / 20'


  • Passes through a variety of pins
  • Lets you connect 3 devices at a time
  • A long 50 cm cable that can be handled easily
  • Comes with a versatile design that will serve you efficiently
  • Equipped with individual power switch to limit battery drainage


  • Relatively a bulky model
  • Does not work well for AMP Powerstep
  • onnecting a device can alter the performance of the other

What Recent Buyers Report

Like our above-mentioned products, this robust model is also loved by users. The much-admired thing about it is that it allows the user to connect 3 devices at a time and, therefore, complete multiple tasks simultaneously. Although there are some concerns over its heavyweight design, it is a steal at this price.

Why it Stands Out to Us

A versatile cable that is capable of connecting 3 devices simultaneously, the iKKEGOL OBD2 OBDII is equipped with a great set of features. This model is 50 cm long, and therefore, this multi-purpose cable serves the user quite efficiently. Moreover, its robust yet flexible design results in a smooth operation.

Who Will Use This Most

This model is an ideal choice for many professional mechanics as they need to complete many tasks in the workshop. It can support almost all OBD2 scanning tools to detect any damage in the vehicle. Moreover, it is claimed to be a suitable choice to use with GPS trackers.

Bottom Line

iKKEGOL OBD2 OBDII is not only a flexible cable but also saves room by allowing the connectivity of multiple devices. This extension cable is compatible with many OBD2 scanning tools for certain installations. All in all, you can’t go wrong with this versatile product in case of any emergency.

Benefits of Investing in a Quality OBD2 Splitter

Investing in a quality product surely saves you from any regret. Similarly, you can’t go wrong with a great OBD2 splitter. There are many advantages associated with purchasing a good quality OBD2 splitter. These include:

Built to Last

An efficient OBD2 splitter from a reputed brand is made from heavy-duty materials. Therefore, it will serve the user for a long time period. It is capable of withstanding harsh conditions to a great extent and is mostly shielded to avoid any likely damage. Moreover, the design is super-flexible to help you achieve your goals.

Value to Bucks

A quality splitter will surely bring value to your bucks. Since it is equipped with robust construction and amazing features, it will serve you in every way possible. Plus, most of them are available at a very reasonable cost. 

Exceptional Features

Different brands manufacture models embellished with many extraordinary features to add on to perfection. Some of them even allow you to connect multiple devices simultaneously to complete the task like a pro.


One of the most important benefits of these splitters is that they are very easy to use. There is no need for any professional help for their installation, as well.


Any OBD2 scanning tools will work better when combined with an exceptional OBD2 splitter. These extension cables are user-friendly and quite flexible in their operation. Hopefully, by now, you know about OBD2 splitters that can help you complete your task efficiently. It is recommended to go through this buying guide once in order to make a wonderful purchase.

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