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Best OBD2 Splitter

If you are on the lookout for an OBD2 splitter you can trust, then you’ve come to the right place. We selected a list of the most widely used options on the market that pack quite a punch.

To narrow down the search for you, we also listed their pros and cons. That way, you will have an easier time picking out an extension that will suit your needs. Here are our choices for 2021. 

ProductType/FeaturesRating
bbfly – B6 OBD IIPasses all 16 pins straight through
High-quality materials

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bbfly-A9 OBD II100% Brand new and high quality
Easy to carry and use

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Mo-Co-So OBD IIIdeal for use with GPS trackers
Direct pass through on all 16 Pins

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Right Angle Universal OBD IIOBD2 Y CABLE with Underdash Bracket
Cable can be used for 2 devices at the same time

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IKKEGOL OBD2Ultra low profile design for hard to reach spots
Revolutionary flat flexible design

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What Is an OBD2 Splitter?

Most cars come with one OBD connection that you can use to link with another device. But, sometimes you may need to connect multiple devices with a single OBD connector. That’s where an OBD2 splitter extension comes into play.

With it, you can connect two apparatuses, such as a dashcam and electronic gauge at the same time. Besides, the global OBD market is a budding industry. With an estimated growth of $1.5 billion by 2024, it seems there is a constant demand for such services.

Therefore, it is normal to have a wide range of products to choose from. That’s exactly what makes the selection process so tricky. No worries! We simplified the buying for you. 

Top 5 OBD2 Splitters That Are a Definite Best Seller

Purchasing tools from various retailers and dealers can be a troublesome task. Especially if you have no idea what you are getting yourself into. That’s how a lot of people feel when they search for vehicle tools for the first time. Picking out an OBD cable can be equally annoying. After all, it has to be packed with all the features you need. 

Performance matters. But, when you have no idea what you are buying, it can be hard to wrap your mind around it. So, whatever item you get, must be flexible, perfect, and easy to use. The 2021 collection we have here is your best bet. Here is why. 

1. bbfly – B6 OBD II

Product info: When looking for superior flexibility and durability, it’s difficult to find an OBD2 splitter that will outmatch this one. Created from high-quality materials, this cable can last a very long time.

The tool is compatible with a 16 pin socket, while the 16 pin stitches maintain adequate transmission stability. The plastic on the plugs and the remaining harness is high quality. 

Best for: Regular use

Pros

  • Excellent connectivity
  • Solid design manufactured of high-quality materials
  • Fits with ease
  • No shared ground wires

Cons

  • The cable may be a little stiff and difficult to hide
bbfly-B6 OBD II bbfly-B6 OBD II
4.6

OBD2 splitter that will outmatch this one. Created from high-quality materials, this cable can last a very long time. The tool is compatible with a 16 pin socket, while the 16 pin stitches maintain adequate transmission stability.

Pros:
  • High-quality materials
  • Cable superior flexibility

2. bbfly-A9 OBD II

Product info: After searching some customer reviews, we realized that this cable is a solid extension for pass-through OBD applications.

It syncs well with a GPS tracker and is made of good-quality materials. The cord features the perfect length so that you can hide the GPS tracker with ease.

The cable works like a normal OBDII tool, meaning that you have nothing to worry about when it comes to a stable connection. For those who need more cables, they can order the 10 pack at a cheap price. 

Best for: In bulk purchase

Pros

  • Practical design and cable length
  • Easy to use as a diagnostic tool
  • Supports all standard OBD2 protocols, as well as CAN
  • Compatible with a 16 pin socket

Cons

  • The main port can be a little loose.

bbfly-A9 OBD II bbfly-A9 OBD II
4.5

The cord features the perfect length so that you can hide the GPS tracker with ease. The cable works like a normal OBDII tool, meaning that you have nothing to worry about when it comes to a stable connection. 

Pros:
  • Passes all 16 pins straight through
  • High-quality materials

3. Mo-Co-So OBD II Y Splitter Cable

Product info: Compact, flexible, and durable. When you look for splitters that are just the right size for future use, it’s hard to miss this one.

Since the cable is flat, it’s easy to avoid tangles. Plus, you can hide it behind the dash, making it a go-to choice for many. This splitter extension fits seamlessly into the car’s OBD II port.

It features a 1 male extension and 16 pin female cable. Feel free to use it to connect two devices simultaneously. 

Best for: Cable management

Pros

  • Ideal diagnostic tool with a 16 pin socket
  • Flat cable for quick conceal
  • Features just the right size cable to avoid having a bunch of wires hanging from the dash

Cons

  • Possible communication drops
  • Some customer reviews have reported the splitter lacks the capacity to power up multiple devices simultaneously

iKKEGOL 30cm/12 Right Angle OBD2 OBD II iKKEGOL 30cm/12 Right Angle OBD2 OBD II
4.4

Plus, you can hide it behind the dash, making it a go-to choice for many. This splitter extension fits seamlessly into the car’s OBD II port. It features a 1 male extension and 16 pin female cable. Feel free to use it to connect two devices simultaneously. 

Pros:
  • Ideal for use with GPS trackers Auto Scanner Adapter
  • The splitter cable allows both devices to work properly, in parallel.

4. Right Angle Universal OBD II

Product info: With a gauge of 26awg, and 50 cm cable length, you can rely on this OBD2 splitter for universal use. Whether you need an extension cable to use on your OBD dashcam or OBD hotspot device, it will be a perfect solution.

The normal OBDII female and angled OBDII male connector work well. Plus, it comes at a nice price. So, even if you want to purchase it, it won’t strain your budget. That’s why a lot of people see it as a practical product. 

Best for: A tight budget

Pros

  • Can be used to connect two devices
  • Quality tested to ensure durability and convenience
  • Easy to install and stays connected when linking devices simultaneously

Cons

  • The socket ends may not be compatible with every factory mounting point in a different vehicle. So, it’s a great idea to double-check before you buy. 
Right Angle Universal OBD II Right Angle Universal OBD II
4.4

Whether you need an extension cable to use on your OBD dashcam or OBD hotspot device, it will be a perfect solution.

The normal OBDII female and angled OBDII male connector work well. Plus, it comes at a nice price. So, even if you want to purchase it, it won’t strain your budget. That’s why a lot of people see it as a practical product. 

Pros:
  • Quality tested twice during production
  • OBD2 Y CABLE with Underdash Bracket

5. IKKEGOL OBD2

Product info: This splitter extension allows a suitable connection, making it good for OBDII reprogramming and logging. But, people like to unplug the dongle when they don’t use it since the OBD2 interface is always on.

There isn’t a power off or sleep mode. Therefore, it could lead to some wear and battery drainage. Other than that, the product works well. 

Best for: Low profile design

Pros

  • Perfect design for hard-to-reach spaces
  • Comes with an individual power switch to prevent unnecessary battery damage 
  • The product works well and is low profile

Cons

  • The switches are not color-coded, which makes it hard to find the right switch under the dash. 
iKKEGOL OBD2 OBDII iKKEGOL OBD2 OBDII
4.2

This splitter extension allows a suitable connection, making it good for OBDII reprogramming and logging. But, people like to unplug the dongle when they don’t use it since the OBD2 interface is always on. 

Pros:
  • Revolutionary flat flexible design
  • Ideal for use with GPS trackers

How Do I Pick an OBD2 Splitter That Will Work for Me?

Choosing the best OBD2 splitter can be a hefty ordeal. What you need is an extension cable from a reputable vendor that has plenty of positive reviews.

They are compatible with any vehicle and have excellent connection and performance. Then again, choosing one OBD II port can be a little difficult. That’s because you have a ton of products to go for when you purchase online.

These tips below can help you narrow down the search. 

man in black crew neck shirt sitting on blue and silver motorcycle

At a Bargain Price

Of course, nothing is free. But, that doesn’t mean everyone can spend a great deal of cash on ports in 2021. That’s why a brand that offers products at a reasonable price should always be on the top of your list. If there is a splitter extension from a brand that you are interested in, and that extension cable is within your budget, then by all means try the item. It can be worth the money. 

Compatibility

When getting such products, compatibility will be your biggest issue. Grab the package that is compatible with two devices or OBD2 scanning tools. Their design should be robust but not too heavy. 

Flexibility

A low profile OBD2 splitter wouldn’t be the right pick without flexible and long cables. The stiffer the wire, the bigger the risk for damage. So, when looking for premium quality performance, make sure to choose the length that suits your needs. Check to see if the tools you need are in stock and save the purchase. Contact the OBDII seller for more details on shipping tools, and other types of information to save time. 

Warranty

This rule applies to all the products you are buying. The OBDII cables are no exception. The splitter with a long warranty makes for a noteworthy purchase. Of course, if you are looking for an item that will last, you will need a heavy-duty product that can handle harsh conditions. That’s why you may have to pay a few extra bucks to get something that will last. 

Accessibility

Setting up the extension cable should feel like a walk in the park. It must be user-friendly and quick to install. So, that you won’t need the help of a professional to use it. In 2021, the tools you need should be easy to use. Instead of wasting a great deal of time, the extension cable should be tailored towards every individual. The right product is the one that has no learning curve.

Shipping

Another thing you should review when purchasing OBDII tools is shipping reviews. See what other customers have to say about the tools you are interested in. Whether they arrived on schedule, had a good signal, or worked for their vehicles. The shipping time can influence your decision. Plus, reading customer experience can allow you to make better decisions.  

Do OBD2 Splitters Work?

The answer is relatively simple: one at a time. You can’t split an OBD port or have a hub similar to USB. OBDII is meant to be used for mechanics that link to the car’s computer. It can’t be used for anything else other than its intended purpose. That’s about it. Don’t expect to use it as a USB hub. 

Final Thoughts 

In the United States, a lot of people are interested in OBDII for their vehicles. These ultra-practical tools have notable uses. But, given the sheer amount of options on the market and various stocks, it can be difficult to choose one. This 2021 guideline can take some of that weight off your shoulders. It can help customers from the United States and around the world, choose the OBDII option they need.

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