MX123 Sealed Connectors

Molex MX123 Sealed Connection System is a fully sealed, high-performance system, designed for transportation power-train applications that require reliable connections in high-vibration under-the-hood environments. The MX123 sealed connection system from Molex meets GMW3191 specifications, ensuring this product can perform in very harsh, hot, high-vibration environments. This system utilizes matte-seal technology, creating an extremely resilient sealed connector system with a small package. Features include multiple polarization, wire-dress and PCB-tail options, and integrated TPA and CPA components, assisting in keeping the interface mated while freeing up valuable time in the assembly process.

Results: 52
Select Image Part # Mfr. Description Datasheet Availability Pricing (EUR) Filter the results in the table by unit price based on your quantity. Qty. RoHS ECAD Model Product Accessory Type Number of Positions Pitch Gender Mounting Style Termination Style Contact Plating Wire Gauge Min Wire Gauge Max Color Sealed / Unsealed Series Packaging
Molex Automotive Connectors MX123 56CKT HDR SHRD KEY H GRY GLD 2 741In Stock
Min.: 1
Mult.: 1

Headers 56 Position 2.54 mm (0.1 in) Pin (Male) Through Hole Solder Pin Gold Gray 31386
Molex Automotive Connectors MX123 HDR 73CKT SHRD KEY A BLK GLD 1 106In Stock
Min.: 1
Mult.: 1

Headers 73 Position 2.54 mm (0.1 in) Pin (Male) Through Hole Solder Pin Gold Black 31387 Bulk
Molex Automotive Connectors MX123 HDR 73CKT SHRD KEY B GRY SLVR 554In Stock
Min.: 1
Mult.: 1

Headers 73 Position 2.54 mm (0.1 in) Pin (Male) Through Hole Solder Pin Silver Gray 31387
Molex Automotive Connectors MX123 66CKT HDR SHRD Key A BLK GLD 839In Stock
Min.: 1
Mult.: 1

Headers 66 Position 2.54 mm (0.1 in) Pin (Male) Through Hole Solder Pin Gold Black 31387
Molex Automotive Connectors MX123 HDR 73CKT SHRD KEY B GRY GLD 917In Stock
Min.: 1
Mult.: 1

Headers 73 Position 2.54 mm (0.1 in) Pin (Male) Through Hole Solder Pin Gold Gray 31387 Bulk
Molex Automotive Connectors MX123 66CKT HDR SHRD KEY C BLUE SLVR 1 085In Stock
Min.: 1
Mult.: 1

Headers 66 Position 2.54 mm (0.1 in) Pin (Male) Through Hole Solder Pin Silver Blue 31387
Molex Automotive Connectors MX123 66CKT HDR SHRD KEY C BLUE GLD 257In Stock
Min.: 1
Mult.: 1

Headers 66 Position 2.54 mm (0.1 in) Pin (Male) Through Hole Solder Pin Gold Blue 31387
Molex Automotive Connectors MX123 HDR 73CKT SHRD KEY C BLUE GLD 90In Stock
Min.: 1
Mult.: 1

Headers 73 Position 2.54 mm (0.1 in) Pin (Male) Through Hole Solder Pin Gold Blue 31387
Molex 216741-0004
Molex Automotive Connectors MX123 HRN CONN ASSY 66 CKT OPT9 KEY C/66 53In Stock
Min.: 1
Mult.: 1
216741
Molex Automotive Connectors MX64 RCPT Au 18/20 Reel of 9000 180 000In Stock
Min.: 9 000
Mult.: 9 000
: 9 000

Terminals Socket (Female) Cable Mount / Free Hanging Crimp Gold 20 AWG 18 AWG 33467 Reel
Molex Automotive Connectors MX123 0.64mm Grommet Seal Plug 369 233In Stock
Min.: 1
Mult.: 1

Accessories Connector Seal Plug (Male) Gray 34586
Molex Automotive Connectors MX123 56KCT HDR SHRD KEY G BLUE GOLD 483In Stock
1 400Expected 9/24/2026
Min.: 1
Mult.: 1

Headers 56 Position 2.54 mm (0.1 in) Pin (Male) Through Hole Solder Pin Gold Blue 31386 Bulk


Molex Automotive Connectors MX123 HDR 73CKT SHRD KEY A BLK SLVR 907In Stock
Min.: 1
Mult.: 1

Headers 73 Position 2.54 mm (0.1 in) Pin (Male) Through Hole Solder Pin Silver Black 31387


Molex Automotive Connectors MX123 HDR 80CKT SHRD KEY H GRY SLVR 984In Stock
Min.: 1
Mult.: 1

Headers 80 Position 2.54 mm (0.1 in) Plug (Male) SMD/SMT Solder Pin Silver Gray 31387
Molex Automotive Connectors MX64 F TERM 18-20AWG B WIND REEL 9000 63 000In Stock
81 000Expected 9/3/2026
Min.: 9 000
Mult.: 9 000
: 9 000

Terminals Socket (Female) Cable Mount / Free Hanging Crimp Gold 20 AWG 18 AWG 33467 Reel
Molex Automotive Connectors MX150 SLD MALE DR 12CKT POL C W/O CPA 1 048In Stock
Min.: 1
Mult.: 1

Connectors 12 Position 3.5 mm (0.138 in) Plug (Male) Cable Mount / Free Hanging Crimp Gray 33482
Molex Automotive Connectors MX123 73/80Ckt Dress Cover 7 049In Stock
Min.: 1
Mult.: 1

Accessories Cover Black 34565 Bulk
Molex Automotive Connectors MX123 HDR 80CKT SHRD KEY H BLUE GLD 1 109In Stock
Min.: 1
Mult.: 1

Headers 80 Position 2.54 mm (0.1 in) Pin (Male) Through Hole Solder Pin Gold Blue 31387 Bulk
Molex Automotive Connectors MX123 HDR 80CKT SHRD KEY H GRY GLD 1 071In Stock
Min.: 1
Mult.: 1

Headers 80 Position 2.54 mm (0.1 in) Pin (Male) Through Hole Solder Pin Gold Gray 31387 Bulk
Molex Automotive Connectors MX123 49/56Ckt Dress Cover 8 315In Stock
Min.: 1
Mult.: 1

Accessories Black 34575 Bulk
Molex Automotive Connectors MX64 F TERM 22 AWG B WIND REEL 10000 10 000In Stock
Min.: 10 000
Mult.: 10 000
: 10 000

Terminals Socket (Female) Cable Mount / Free Hanging Crimp Gold 22 AWG 33467 Reel


Molex Automotive Connectors MX123 56CKT HDR SHRD KEY G BLUE SLVR 59In Stock
1 400Expected 10/15/2026
Min.: 1
Mult.: 1

Headers 56 Position 2.54 mm (0.1 in) Pin (Male) Through Hole Solder Pin Silver Blue 31386
Molex Automotive Connectors MX123 56CKT HDR SHRD KEY H GRY SLVR 61In Stock
Min.: 1
Mult.: 1

Headers 56 Position 2.54 mm (0.1 in) Pin (Male) Through Hole Solder Pin Silver Gray 31386
Molex Automotive Connectors MX123 HDR 80CKT SHRD KEY G BLUE SLVR 290In Stock
Min.: 1
Mult.: 1

Headers 80 Position 2.54 mm (0.1 in) Pin (Male) Through Hole Solder Pin Silver Blue 31387
Molex Automotive Connectors MX123 66CKT HDR SHRD Key A BLK SLVR 313In Stock
Min.: 1
Mult.: 1

Headers 66 Position 2.54 mm (0.1 in) Pin (Male) Through Hole Solder Pin Silver Black 31387