JST PH 2mm 4-Pin to Female Socket Cable - I2C STEMMA Cable [200mm] : ID 3950 : $1.50 : Adafruit Industries, Unique & fun DIY electronics and kits
Amazon.com: HangTon HE29 4 Pin Connector Waterproof Circular Power Female Cable Plug Male Panel Socket Quick Disconnect, 45 Amp Current High-Voltage : Electronics
4 Pin Locking Multi-pin Connector Pair 12mm
Renkforce Current Cable extension [1x IDE power plug 4-pin - 1x IDE power socket 4-pin, Floppy power socket 4-pin] 0.15 | Conrad.com
4 Pin G24 to Medium Base - Socket Adapter | CityLightsUSA.com
IDE Molex 4 Pin Socket Cable - 30cm long : ID 5365 : $0.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Amphenol New Vintage - 71-4 - 8-088 - Speckled Bakelite 4 Pin Shorting/ Speaker Plug Adapter, Quick Mount Tube, Relay, Male Cable Plug.
4 PIN Connector Plug Socket for Denso 174257-2 For Mazda Nissan Oxygen Sensor 5051154190500 | eBay
Amazon.com: CNLINKO 4 Pin Power Industrial Circular Connector, Male Plug & Female Panel Mount Receptacles Socket Jack, Outdoor Waterproof IP67, AC DC : Electronics
Military Specification Connectors | Plug 4 Pin Mil | Plug Socket - 32-17 Mil-c - Aliexpress