Amazon.com: Dorman 91443 4 Wire Male And Female Pigtail Universal Fit : Automotive
1 Kit 4 Pin Way Electrical Wire Connector Plug Set auto connectors with cable/total length 21CM - AliExpress
1 Kit 4 Pin Way Electrical Wire Connector Plug Set auto connectors with cable/total length 21CM - In1mall
Amazon.com: Nilight 4Pin Way Electrical Wire Connector 10 Pack 16AWG Male Female Plug Socket Quick Disconnect Waterproof Plug Play 1.5mm Series Terminal for Car Truck Motorcycle Marine Boat, 2 Years Warranty :
4-Wire JST SM Male Female Quick Connector - A Pair
2/4 In 4/6/8 Out Fast Wire Splitter Terminal Block
Hopkins 48205 48" 4-Wire Flat Connector Set with Splice Connectors - Walmart.com
Hopkins 4-Wire Flat Connector, Vehicle to Trailer Wiring Connector in the Trailer Parts & Accessories department at Lowes.com
Reese Insta-Plug Kit 4 Wire Flat in the Trailer Parts & Accessories department at Lowes.com