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.

All Results (59)

Select Image Part # Mfr. Description Datasheet Availability Pricing (CLP) Filter the results in the table by unit price based on your quantity. Qty. RoHS


Molex Automotive Connectors MX123 WIRE DRESS COVER 66/73/80 CKT 10.235In Stock
13.200On Order
$763
$664
$607
$548
Min.: 1
Mult.: 1
Molex Automotive Connectors MX123 56CKT HDR SHRD KEY H GRY GLD 2.724In Stock
$14.059
$12.088
$11.962
$11.837
Min.: 1
Mult.: 1
Molex Automotive Connectors MX123 HDR 73CKT SHRD KEY A BLK GLD 1.089In Stock
$25.326
$22.831
$22.330
$21.669
Min.: 1
Mult.: 1


Molex Automotive Connectors MX123 HDR 80CKT SHRD KEY H GRY SLVR 968In Stock
$8.237
$5.491
$5.389
$5.286
$5.275
Min.: 1
Mult.: 1
Molex Automotive Connectors MX123 66CKT HDR SHRD KEY C BLUE SLVR 1.072In Stock
$7.531
$6.961
$6.574
$5.571
Min.: 1
Mult.: 1
Molex Automotive Connectors MX123 HDR 80CKT SHRD KEY H GRY GLD 942In Stock
$16.018
$13.432
$13.273
$13.170
Min.: 1
Mult.: 1
Molex Automotive Connectors MX123 HDR 80CKT SHRD KEY H BLUE GLD 1.071In Stock
$19.288
$15.563
$15.403
$15.323
Min.: 1
Mult.: 1
Molex Automotive Connectors MX123 66CKT HDR SHRD Key A BLK GLD 817In Stock
$16.565
$15.437
$15.209
$14.913
Min.: 1
Mult.: 1
Molex Automotive Connectors MX123 HDR 73CKT SHRD KEY B GRY GLD 909In Stock
$20.621
$19.254
$19.220
$19.083
Min.: 1
Mult.: 1
Molex Automotive Connectors MX64 F TERM 22 AWG B WIND REEL OF 1000
15.000In Stock
Reel
$79,7
$77,5
Min.: 1.000
Mult.: 1.000
: 1.000
Molex Automotive Connectors MX123 HDR 73CKT SHRD KEY C BLUE GLD 81In Stock
$18.935
$17.807
$17.271
$16.816
Min.: 1
Mult.: 1
Molex Automotive Connectors MX123 0.64mm Grommet Seal Plug 516.961In Stock
$137
$114
$101
$96,8
Min.: 1
Mult.: 1
Molex Crimpers / Crimping Tools MX64 FEMALE CRIMPER 35In Stock
$866.670
$826.601
$800.079
Min.: 1
Mult.: 1
Molex Automotive Connectors MX123 56KCT HDR SHRD KEY G BLUE GOLD 1.877In Stock
$14.617
$13.056
$12.862
$12.680
Min.: 1
Mult.: 1


Molex Automotive Connectors MX123 HDR 73CKT SHRD KEY A BLK SLVR 735In Stock
$9.399
$9.353
$9.171
$7.553
Min.: 1
Mult.: 1
Molex Automotive Connectors MX64 F TERM 22 AWG D WIND REEL 10000
20.000In Stock
Reel
$112
Min.: 10.000
Mult.: 10.000
: 10.000
Molex Automotive Connectors MX64 F TERM 18-20AWG B WIND REEL 9000
36.000In Stock
216.000Expected 12/31/2026
Reel
$107
Min.: 9.000
Mult.: 9.000
: 9.000
Molex Automotive Connectors MX64 RCPT Au 18/20 Reel of 9000
81.000In Stock
162.000Expected 11/12/2026
Reel
$112
Min.: 9.000
Mult.: 9.000
: 9.000
Molex Automotive Connectors MX150 SLD MALE DR 12CKT POL C W/O CPA 994In Stock
$4.010
$3.418
$3.053
$2.905
Min.: 1
Mult.: 1
Molex Automotive Connectors MX123 73/80Ckt Dress Cover 4.707In Stock
5.200Expected 11/20/2026
$2.142
$1.903
$1.652
$1.481
Min.: 1
Mult.: 1
Molex Extraction, Removal & Insertion Tools EXTRACTOR TOOL 103In Stock
$97.830
$90.686
$87.223
$83.509
Min.: 1
Mult.: 1
Molex Automotive Connectors MX123 HDR 73CKT SHRD KEY B GRY SLVR 487In Stock
$7.861
$7.850
$7.838
$7.827
Min.: 1
Mult.: 1
Molex Automotive Connectors MX64 F TERM 18-20AWG B WIND Loose PC
27.430In Stock
$285
$245
$216
$203
Min.: 1
Mult.: 1
Molex Automotive Connectors MX123 49/56Ckt Dress Cover 6.336In Stock
$638
$543
$453
$426
Min.: 1
Mult.: 1
Molex Crimpers / Crimping Tools Hand Crimp Tool MX64 .35mm2&.50-.75mm2 Wr 16In Stock
$677.778
$628.276
$608.111
Min.: 1
Mult.: 1