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๐ง Unlock dual diagnostics and drive smarter, not harder!
The B4 OBD II 16 Pin Splitter Extension is a 30cm ultra-flat Y-cable adapter that allows simultaneous connection of two OBD2 devices. Featuring a full 16-pin pass-through with no shared grounds, it supports all standard OBD2 protocols including CAN. Crafted from high-quality materials, it offers superior flexibility and durability while reducing wear on your scan tool connectors. Plug and play compatible with all standard OBD2 diagnostic tools, this splitter is a must-have for multitasking vehicle diagnostics.













| ASIN | B071HP9JFJ |
| Best Sellers Rank | #48,320 in Automotive ( See Top 100 in Automotive ) #266 in Code Readers & Scan Tools #1,254 in Engine Tools |
| Brand | bbfly |
| Brand Name | bbfly |
| Cable Type | OBD2 |
| Color | black / black |
| Compatible Devices | Scan Tool |
| Connector Gender | Male-to-Female |
| Connector Type | 16pin |
| Customer Package Type | FFP |
| Customer Reviews | 4.6 out of 5 stars 415 Reviews |
| Included Components | OBD SPLITTER |
| Indoor Outdoor Usage | Indoor, Outdoor |
| Item Shape | Round |
| Item Type Name | OBD2 SPLITTER |
| Item Weight | 0.11 Kilograms |
| Manufacturer | bbfly |
| Maximum Voltage | 5 Volts |
| Model | B4B20 |
| Model Name | OBD2 EXTENSION CABLE |
| Number of Items | 1 |
| Number of Pins | 16 |
| Other Special Features of the Product | Allows Two Devices Simultaneously |
| Outer Material | Other |
| Part Number | B2A15335158 |
| Recommended Uses For Product | OBDII |
| Special Feature | Allows Two Devices Simultaneously |
| Specification Met | Obd2 |
| UPC | 714874055478 |
| Unit Count | 1.0 Count |
| Warranty Description | 6-month warranty |
B**Y
Amazing buy
Works as excellent in my truck. Have had for an awhile now. Nothing to complain about it. Great quality!
B**R
Needed upgrade
Great addition. Can connect both of my devices and not accidentally kick them when entering/exiting the truck.
S**.
Good
Still working is good I have no problem
B**I
Nice
Worked great
S**.
Great
Works as advertised
C**K
Perfect angle under dash
Perfect. Donโt stick out at the connected part. Makes easier to connect your items under dash. Perfect fit!
B**W
It works!
Exactly what I needed, enables me to connect an aftermarket tach and OBD reader at same time.
P**L
Satisfied
Works as intended
N**S
Excellent product
Perfect product for my car obd. Must buy. Easy installation and good reliable quality.
O**2
Highly Recommended
I bought these 16-pin Splitter Extension works very well. The male port is low in profile when installed to your vehicle's OBD port. The two female extensions Y cables are flexible and they can be bent or folded to shorten the length. It can be easy to attach to the underdash to hide the cables.
I**N
good quality
does what it should, connections are tight and holds the plug in securely
Trustpilot
4 days ago
1 month ago