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 (JPY) 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 WIRE DRESS COVER 66/73/80 CKT 17,126In Stock
5,174On Order
¥111.3
¥96.8
¥88.5
¥79.9
Min.: 1
Mult.: 1
34565
Molex 216741-0004
Molex Automotive Connectors MX123 HRN CONN ASSY 66 CKT OPT9 KEY C/66 121In Stock
¥966.7
¥878.7
¥833.8
¥813.9
Min.: 1
Mult.: 1
216741
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
¥2,109.5
¥1,529.8
¥1,491.6
¥1,453.4
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 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) 1,089In Stock
¥3,692.4
¥3,363.5
¥3,313.7
¥3,159.2
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 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
¥1,200.9
¥893.6
¥852.1
¥837.1
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 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
¥1,091.3
¥1,014.9
¥958.4
¥782.3
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 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
¥2,918.4
¥2,750.6
¥2,504.8
¥2,428.4
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 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
¥2,268.9
¥1,916.8
¥1,903.5
¥1,890.2
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 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
¥2,750.6
¥2,425.1
¥2,398.5
¥2,380.2
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 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) 814In Stock
¥2,415.1
¥2,220.8
¥2,190.9
¥2,159.3
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 MX64 F TERM 22 AWG B WIND REEL OF 1000
15,000In Stock
Reel
¥11.6
¥11.3
Min.: 1,000
Mult.: 1,000
: 1,000
Terminals 2.54 mm (0.1 in) Socket (Female) Cable Mount / Free Hanging Crimp Tin 22 AWG 33468 Reel
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 C, Blue (Au Mate Side Finish) 80In Stock
¥2,760.6
¥2,596.1
¥2,518.1
¥2,451.6
Min.: 1
Mult.: 1
Headers 73 Position 2.54 mm (0.1 in) Pin (Male) Through Hole Solder Pin Gold Blue 31387
Molex Automotive Connectors MX123 0.64mm Grommet Seal Plug 495,837In Stock
¥19.9
¥16.6
¥14.8
¥14.1
Min.: 1
Mult.: 1
Accessories Connector Seal Plug (Male) Gray 34586
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
¥2,157.6
¥1,925.1
¥1,883.6
¥1,808.8
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 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) 598In Stock
¥1,370.3
¥1,363.7
¥1,337.1
¥1,101.2
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 2.54mm Pit. MX64 Terminal, Gold (Au) Pltg, 22 AWG, Left Reel Payoff, Also used w/ MX123 Female Recept. Housing
20,000In Stock
Reel
¥16.3
Min.: 10,000
Mult.: 10,000
: 10,000
Terminals Socket (Female) Cable Mount / Free Hanging Crimp Gold 22 AWG 33467 Reel
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
¥15.6
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 Mat-Sealed Male Conn. Assy., Dual Row, 12 Pos., Keying Option C, w/out Conn. Pos. Assurance, Dark Gray 994In Stock
¥584.7
¥498.3
¥445.1
¥423.6
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 73/80 Circuit Dress Cover 4,609In Stock
5,200Expected 11/16/2026
¥312.3
¥277.4
¥257.5
¥215.9
Min.: 1
Mult.: 1
Accessories Cover Black 34565 Bulk
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) 487In Stock
¥1,166
¥1,144.4
¥1,142.8
¥1,141.1
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 MX64 F TERM 18-20AWG B WIND Loose PC
26,748In Stock
¥41.5
¥35.7
¥31.6
¥29.6
Min.: 1
Mult.: 1
Terminals 2.54 mm (0.1 in) Socket (Female) Cable Mount / Free Hanging Crimp Gold 20 AWG 18 AWG 33467 Bulk
Molex Automotive Connectors MX123 49/56 Circuit Dress Cover 6,165In Stock
¥93
¥79.2
¥66.3
¥62.3
Min.: 1
Mult.: 1
Accessories Black 34575 Bulk
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 (Ag Mate Side Finish) 1In Stock
¥2,154.3
¥2,086.2
¥2,011.5
¥1,930.1
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 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 (Au Mate Side Finish) 217In Stock
¥2,969.9
¥2,951.6
¥2,896.8
¥2,848.6
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 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 (Ag Mate Side Finish) 192In Stock
¥1,054.7
¥895.3
¥892
¥707.6
Min.: 1
Mult.: 1
Headers 66 Position 2.54 mm (0.1 in) Pin (Male) Through Hole Solder Pin Silver Black 31387