5521 DC Jack SMT ID 2.0 2.1mm OD 5.5mm 3 Pin Female Connector Plastic DC Power Jack Connector buy it!
$0.05-$0.15
AMP 1.5 series 2 pins auto waterproof connector electrical male female wire connector 282080-1 282104-1 buy it!
$0.01-$0.10
ZJHK HA-010 Male Connector, 10 Amp Pin Heavy Duty Connector Wire Harness Plug Socket /heavy duty 10 pin plug buy it!
$1.75-$3.22
3 pin 1.5mm female waterproof car connector 282087-1 buy it!
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3 Pin DJ3031Y-2.5-21 female Connector Auto Parts Connector Auto Connectors And Terminal in reel and loose pieces
$0.07-$2.00