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 (PLN) 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 20 028In Stock
14 400On Order
2,62 zł
2,28 zł
2,08 zł
1,88 zł
Min.: 1
Mult.: 1
Molex 216741-0004
Molex Automotive Connectors MX123 HRN CONN ASSY 66 CKT OPT9 KEY C/66 101In Stock
144Expected 2/16/2027
22,75 zł
20,68 zł
19,62 zł
19,14 zł
Min.: 1
Mult.: 1
Molex Automotive Connectors 2.54mm Pit., MX123 Header, 56 Pos. Shrouded Assy., Qty(56) 0.64mm Square Sig Pins, Harness Side Key Code H, Gray (Au Mate Side Finish) 2 724In Stock
49,63 zł
34,01 zł
33,48 zł
30,84 zł
Min.: 1
Mult.: 1
Molex Automotive Connectors 2.54mm Pit., MX123 Header, 73 Pos. Shrouded Assy., (72) 0.64mm Square Sig Pins + (1) 2.8mm Pwr Blade, Harness Side Key Code A, Black (Au Mate Side Finish) 838In Stock
86,06 zł
79,20 zł
78,41 zł
74,32 zł
Min.: 1
Mult.: 1
Molex Automotive Connectors 2.54mm Pit., MX123 Header, 66 Pos. Shrouded Assy., Qty(64) 0.64mm Square Sig Pins + Qty(2) 2.8mm Pwr Blades, Harness Side Key Code C, Blue (Ag Mate Side Finish) 1 062In Stock
25,65 zł
23,89 zł
22,53 zł
18,26 zł
Min.: 1
Mult.: 1


Molex Automotive Connectors 2.54mm Pit., MX123 Header, 80 Pos. Shrouded Assy., Qty(80) 0.64mm Square Sig Pins, Harness Side Key Code H, Gray (Ag Mate Side Finish) 968In Stock
28,25 zł
21,03 zł
20,06 zł
19,71 zł
Min.: 1
Mult.: 1
Molex Automotive Connectors 2.54mm Pit., MX123 Header, 80 Pos. Shrouded Assy., (80) 0.64mm Square Sig Pins, Harness Side Key Code H, Gray (Au Mate Side Finish) 942In Stock
53,20 zł
45,01 zł
44,70 zł
44,40 zł
Min.: 1
Mult.: 1
Molex Automotive Connectors 2.54mm Pit., MX123 Header, 73 Pos. Shrouded Assy., (72) 0.64mm Square Sig Pins + (1) 2.8mm Pwr Blade, Harness Side Key Code B, Gray (Au Mate Side Finish) 909In Stock
68,68 zł
Min.: 1
Mult.: 1
Molex Automotive Connectors 2.54mm Pit., MX123 Header, 66 Pos. Shrouded Assy., Qty(64) 0.64mm Square Sig Pins + Qty(2) 2.8mm Pwr Blades, Harness Side Key Code A, Black (Au Mate Side Finish) 674In Stock
56,80 zł
53,20 zł
52,58 zł
52,05 zł
Min.: 1
Mult.: 1
Molex Automotive Connectors MX64 F TERM 22 AWG B WIND REEL OF 1000
15 000In Stock
Reel
0,273 zł
0,264 zł
Min.: 1 000
Mult.: 1 000
: 1 000
Molex Automotive Connectors MX123 0.64mm Grommet Seal Plug 378 616In Stock
0,431 zł
0,37 zł
0,33 zł
0,317 zł
Min.: 1
Mult.: 1
Molex Crimpers / Crimping Tools PremiumGrade Hand Crimp Tool for 2.54mm MX64 Terminals, 22-18 AWG 32In Stock
2 978,98 zł
2 904,26 zł
Min.: 1
Mult.: 1
Molex Automotive Connectors 2.54mm Pit., MX123 Header, 56 Pos. Shrouded Assy., (56) 0.64mm Square Sig Pins, Harness Side Key Code G, Blue (Au Mate Side Finish) 1 873In Stock
50,78 zł
45,28 zł
44,31 zł
42,55 zł
Min.: 1
Mult.: 1


Molex Automotive Connectors 2.54mm Pit., MX123 Header, 73 Pos. Shrouded Assy., Qty(72) 0.64mm Square Sig Pins + Qty(1) 2.8mm Pwr Blade, Harness Side Key Code A, Black (Ag Mate Side Finish) 473In Stock
32,25 zł
32,08 zł
31,46 zł
25,92 zł
Min.: 1
Mult.: 1
Molex Automotive Connectors 2.54mm Pit. MX64 Terminal, Gold (Au) Pltg, 22 AWG, Left Reel Payoff, Also used w/ MX123 Female Recept. Housing
20 000In Stock
Reel
0,383 zł
Min.: 10 000
Mult.: 10 000
: 10 000
Molex Automotive Connectors 2.54mm Pit. MX64 Terminal, Gold (Au) Pltg, 20-18 AWG, Right Reel Payoff, Also used w/ MX123 Female Recept. Housing
36 000In Stock
216 000Expected 12/31/2026
Reel
0,365 zł
Min.: 9 000
Mult.: 9 000
: 9 000
Molex Automotive Connectors 2.54mm Pit. MX64 Terminal, Gold (Au) Pltg, 20-18 AWG, Left Reel Payoff, Also used w/ MX123 Female Recept. Housing
126 000In Stock
189 000Expected 1/7/2027
Reel
0,383 zł
Min.: 9 000
Mult.: 9 000
: 9 000
Molex Automotive Connectors MX150 Mat-Sealed Male Conn. Assy., Dual Row, 12 Pos., Keying Option C, w/out Conn. Pos. Assurance, Dark Gray 993In Stock
13,77 zł
11,70 zł
10,47 zł
9,94 zł
Min.: 1
Mult.: 1
Molex Automotive Connectors MX123 73/80 Circuit Dress Cover 5 722In Stock
3 600Expected 11/24/2026
7,35 zł
6,51 zł
6,07 zł
5,06 zł
Min.: 1
Mult.: 1
Molex Extraction, Removal & Insertion Tools Extraction Tool for SPOX, MX64, Ditto, MX150CE, Milli-Grid Terminals 100In Stock
336,64 zł
316,36 zł
304,88 zł
291,90 zł
Min.: 1
Mult.: 1
Molex Crimpers / Crimping Tools Hand Tool for MX64 ISO Terminal 11In Stock
15Expected 11/27/2026
2 324,48 zł
2 178,22 zł
Min.: 1
Mult.: 1


Molex Automotive Connectors 2.54mm Pit., MX123 Header, 56 Pos. Shrouded Assy., Qty(56) 0.64mm Square Sig Pins, Harness Side Key Code G, Blue (Ag Mate Side Finish) 1 340In Stock
25,30 zł
22,22 zł
21,65 zł
21,38 zł
Min.: 1
Mult.: 1
Molex Automotive Connectors 2.54mm Pit., MX123 Header, 73 Pos. Shrouded Assy., Qty(72) 0.64mm Square Sig Pins + Qty(1) 2.8mm Pwr Blade, Harness Side Key Code B, Gray (Ag Mate Side Finish) 467In Stock
27,41 zł
26,93 zł
26,88 zł
26,84 zł
Min.: 1
Mult.: 1
Molex Automotive Connectors 2.54mm Pit., MX123 Header, 80 Pos. Shrouded Assy., (80) 0.64mm Square Sig Pins, Harness Side Key Code G, Blue (Au Mate Side Finish) 741In Stock
64,68 zł
57,68 zł
56,50 zł
56,06 zł
Min.: 1
Mult.: 1
Molex Automotive Connectors MX64 F TERM 18-20AWG B WIND Loose PC
23 332In Stock
0,977 zł
0,84 zł
0,744 zł
0,695 zł
Min.: 1
Mult.: 1