obd2 splitter
Skip itA small market ($148K/yr) — this niche doesn't clear our bar today.
Conversion
Great8.2%search→purchase rate — share of searches ending in a sale
Review moat
Great467.11avg incumbent reviews — the moat a new listing must climb
Avg price
Good$12.29avg listing price — sweet spot $15–$100
Returns
Okay3.7%return rate — above 6% kills the launch gate
Brand share
Okay81%top-5 brand share — brands hold most of the demand
Competition
Okay62%top-5 click share — leaders hold, buyers still browse
Price range
Okay$6.84–$19.91cheapest to priciest tracked listing — scored on the share inside $15–$100
Growth
Okay+8.4%90-day search growth — must beat 0% to launch
Market size
Okay$148K$148K/yr · 147K searches
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Competition
The top 5 products take 62% of clicks — established leaders, but buyers still shop beyond them.Brands
11 rising
Sellers
13
Top-5 brand share
81%
Open market
15%
- bbfly54%
- HNeekyr9%
- ZIMISI8%
- Vgate5%
- MITOB5%
- Autel5%
- Open — no brand owns it (5 brands, 15%)
Product shelf
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 18 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
bbfly-B6 OBD2 Splitter 16 Pin OBD II Splitter Extension 1x Male and 2X Female Extension Cable Adapter (1FT/30CM) (1Pack)
bbfly$10.914.6★2,149 rev
bbfly-A9 OBD II OBD2 16 Pin Splitter Extension 1x Male and 2X Female Extension Cable Adapter (2FT/60CM)
bbfly$9.824.5★3,138 rev
OBD2 Right Angle Splitter Y Cable Male Splitter to 2 Female Extension Cable 30cm/12
HNeekyr$9.994.6★213 rev
OBD2 Splitter bbfly-B31 Full 16pin OBDII Port 1 Male Splitter to 2 Female Extension Cable 1.6IN/4CM (B31 1PACK)
bbfly$18.374.1★265 rev
ZIMISI OBDII Splitter with Rotatable Male Port Full 16 Pin 1 Male to 2 Female Extension Converter Adapter Universal Port Splitter for Standard OBD2 Devices Diagnostic Extender
ZIMISI$16.944.6★33 rev
Newest
by launch date
Zpana OBD2 Splitter OBDII Full 16 Pin One Male to Two Female Extension Converter Adapter OBD Cord Cable Extender Connector Universal for Most Automotive Diagnostic Accessories
Zpana$10.3127 rev
Sandfren OBD2 16 Pin Splitter OBDII Port 1 Male to 2 Female Extension Cable Converter Adapter Extension Port Splitter Connector Fit for Standard OBD2 Devices Diagnostic Extender
Sandfren$11.4713 rev
BWBWND OBD2 Splitter 16 Pin 1Male to 2Female Extension Connector Cable Splitter Universal OBDII Extension Y Flat Ribbon Cord Adapter for Car Diagnostic Scanner Car Accessories
BWBWND$8.1233 rev
ZIMISI OBDII Splitter with Rotatable Male Port Full 16 Pin 1 Male to 2 Female Extension Converter Adapter Universal Port Splitter for Standard OBD2 Devices Diagnostic Extender
ZIMISI$16.9433 rev
ZIMISI Right Angle OBD2 Splitter 16 Pin 1 Male to 2 Female OBD2 Extension Cable 30cm/12 Inch Y Cable OBDII Extender Cord Adapter Universal Car Accessories for All OBD2 Vehicles (Black)
ZIMISI$6.8415 rev
Trending
90-day click momentumBWBWND OBD2 Splitter 16 Pin 1Male to 2Female Extension Connector Cable Splitter Universal OBDII Extension Y Flat Ribbon Cord Adapter for Car Diagnostic Scanner Car Accessories
BWBWND$8.124.8★
ZIMISI OBDII Splitter with Rotatable Male Port Full 16 Pin 1 Male to 2 Female Extension Converter Adapter Universal Port Splitter for Standard OBD2 Devices Diagnostic Extender
ZIMISI$16.944.6★
iKKEGOL Right Angle OBD II OBD2 16 Pin Splitter Extension Cable 1x Male and 2X Female Low Profile Ribbon Slim Extender Cord Adapter 60cm/2FT 24 Inch
iKKEGOL$8.904.7★
Zpana OBD2 Splitter OBDII Full 16 Pin One Male to Two Female Extension Converter Adapter OBD Cord Cable Extender Connector Universal for Most Automotive Diagnostic Accessories
Zpana$10.314.5★
ZIMISI Right Angle OBD2 Splitter 16 Pin 1 Male to 2 Female OBD2 Extension Cable 30cm/12 Inch Y Cable OBDII Extender Cord Adapter Universal Car Accessories for All OBD2 Vehicles (Black)
ZIMISI$6.844.6★
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +8.4% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.4×
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“As advertised”
“cable is good quality”
“Perfect fit”
“easy to install”
“Worth every penny”
“Works perfectly”
“Plug is well made”
“Full Connectivity”
“Works great on jeep jl”
“Resilient cable”
What buyers complain about
“cannot get VIN or read codes through the scanner I have”
“Did not work with Banks Pedal Monster and EZ Lync”
“it would not fit what the plug in for my dash can”
“It wont fit any of my vehicles”
“Ruined my OBD port - now I have an expensive repair”
“Terrible quality, broken internally”
“Does not securely attached”
“Didnt last a month”
“you won't get communication in one if the other's hooked app at the same time”
“Yeah that happened had to get a splitter i could turn on and off, this one was a Hard no for me”