4 pin connector
Worth a lookShows no brand lock-in (top 5 brands take 34% of clicks), but a small market ($51K/yr) keeps it on the watch list.
Brand share
Incredible34%top-5 brand share — no brand owns this niche
Competition
Great32%top-5 click share — an open shelf
Returns
Great1.9%return rate — above 6% kills the launch gate
Price range
Good$6.00–$39.85cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Good1,031.18avg incumbent reviews — the moat a new listing must climb
Avg price
Good$13.09avg listing price — sweet spot $15–$100
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Conversion
Okay3.1%search→purchase rate — share of searches ending in a sale
Growth
Bad-6.3%90-day search growth — must beat 0% to launch
Market size
Bad$51K$51K/yr · 126K searches
Competition
Clicks spread well past the top 5 (32% combined) — an open shelf where new products get seen.Brands
48 falling
Sellers
54
Top-5 brand share
34%
Open market
61%
- ZHOFONET11%
- Nilight7%
- ACEIRMC6%
- RED WOLF5%
- Laisomeke5%
- KITUREK5%
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 57 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
ZHOFONET 4 Pin Waterproof Connector Waterproof Electrical Car Auto Wire Connector 16AWG Male Female Quick Disconnect Wire Connectors for Car Truck Motorcycle Marine Boat(5Pack)
ZHOFONET$11.284.7★301 rev
ACEIRMC 10Pairs JST-XH Connector Kit XH 2.54mm 4 Pin Header Male and Female Connectors Plug Adapter with Flat Wire Cable 200mm 26AWG Compatible with JST XH (4P)
ACEIRMC$7.304.5★176 rev
RED WOLF 16 AWG 4 Pin Waterproof Connector Automotive Electrical Wire Connectors 4 Wire Connector Harness Male and Female Plug Socket for Cars Truck Motorcycle Marine Boats - 5 Kits (4 Pin)
RED WOLF$16.454.6★26 rev
Laisomeke 4 Pin electrical Connector Waterproof Connector Male and Female Way 16 AWG Wire Suitable for car Truck Boat and Other Wire Connection (5 pack) Black
Laisomeke$11.694.7★284 rev
KITUREK 5 Pair 4 Pin Deutsch Car Electrical Connector Male and Female Plug
KITUREK$11.914.4★61 rev
Newest
by launch date
4-Pin Wire Connectors - 2 Match Set - 14-20 AWG 4-Pin Connectors- Compatible with Molex Connector Kits Corrosion-Resistant Easy-to-Install Wire Connector Kit
Sizhongda$7.732 rev
PLUXPAER 14 AWG 4 Pin Waterproof Connector 4 Wire Automotive Waterproof Electrical Connectors 14 Gauge Male and Female Way Connectors Harness 12V Quick Connect for Car Truck Boat Motorcycle -3 Pack
PLUXPAER$14.024 rev
RED WOLF 16 AWG 4 Pin Waterproof Connector Automotive Electrical Wire Connectors 4 Wire Connector Harness Male and Female Plug Socket for Cars Truck Motorcycle Marine Boats - 5 Kits (4 Pin)
RED WOLF$16.4526 rev
ELFFILLA 25 Inch 4-Way Flat Trailer Connector 16AWG Water Dust Proof 4 Prong Wiring Harness with Zinc Terminals - 4 Pin Male End for Trailer Boat RV - Sealed Cover Included
ELFFILLA$6.00100 rev
2Pair Screw Lock Waterproof Connector IP68 Circular 4 Pin Connector PBT Plastic Shell Quick Plug Aviation Connector SP17 Male Plug and Female Plug (4 Pin)
DMLENGOIN$15.716 rev
Trending
90-day click momentum
DIANQI 6.3MM 4Pin Electrical Automotive Wire Connectors Male Female Socket Plug Terminal for Motorcycle Car (4Pin - 5Pairs)
DIANQI$10.785.0★
PLUXPAER 14 AWG 4 Pin Waterproof Connector 4 Wire Automotive Waterproof Electrical Connectors 14 Gauge Male and Female Way Connectors Harness 12V Quick Connect for Car Truck Boat Motorcycle -3 Pack
PLUXPAER$14.025.0★
WOODGUILIN IP68 Waterproof Junction Box 4 Way/4 Pin Outdoor Connection Box Cable Connector Outdoor External Sleeve Coupler M20 4P 5-9mm for Repair and Extend Power Cables Black 2 Pcs.(M20 4P)
WOODGUILIN$10.184.2★
4-Pin Wire Connectors - 2 Match Set - 14-20 AWG 4-Pin Connectors- Compatible with Molex Connector Kits Corrosion-Resistant Easy-to-Install Wire Connector Kit
Sizhongda$7.735.0★
Bridgold 20 Pairs JST-XH 2.54 4Pin Connector Balance Plug Lead Socket Male and Female with 100mm Silicone Wire Cables. (4Pin)
Bridgold$8.964.9★
Demand
Weekly Amazon search volume, last 41 weeks — -6.3% search growth over the last 90 days.Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Good Quality”
“Comes in handy”
“As advertised”
“the connection is amazing”
“Good value”
“Great connectors”
“it made my wiring more efficient”
“Great invention”
“Great connection easy to assemble”
“fits good”
What buyers complain about
“Long term quality might be not that much”
“Box is smaller than it seems”
“which made it difficult to connect well”
“Hard to use”
“Did not work at all”
“Terrible representation of what you are getting”
“Had to modified it to fit on my DRZ400 SM CDI unit”
“Crap,very poorly made breaks apart”
“Cheap”
“What a waste of time after installing the pins”