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 (JPY) 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 16,571In Stock
5,774On Order
¥111.3
¥96.8
¥88.5
¥79.9
Min.: 1
Mult.: 1
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
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
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
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


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
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
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
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
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
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
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
Molex Automotive Connectors MX123 0.64mm Grommet Seal Plug 498,737In Stock
¥19.9
¥16.6
¥14.8
¥14.1
Min.: 1
Mult.: 1
Molex Crimpers / Crimping Tools PremiumGrade Hand Crimp Tool for 2.54mm MX64 Terminals, 22-18 AWG 33In Stock
¥126,639.6
¥120,513.9
¥118,984.1
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) 1,874In Stock
¥2,157.6
¥1,925.1
¥1,883.6
¥1,808.8
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) 610In Stock
¥1,370.3
¥1,363.7
¥1,337.1
¥1,101.2
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
¥16.3
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
¥15.6
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 994In Stock
¥584.7
¥498.3
¥445.1
¥423.6
Min.: 1
Mult.: 1
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
Molex Extraction, Removal & Insertion Tools Extraction Tool for SPOX, MX64, Ditto, MX150CE, Milli-Grid Terminals 102In Stock
¥14,311.2
¥13,444.1
¥13,012.3
¥12,412.7
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) 487In Stock
¥1,166
¥1,144.4
¥1,142.8
¥1,141.1
Min.: 1
Mult.: 1
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
Molex Automotive Connectors MX123 49/56 Circuit Dress Cover 6,215In Stock
¥93
¥79.2
¥66.3
¥62.3
Min.: 1
Mult.: 1
Molex Crimpers / Crimping Tools Hand Tool for MX64 ISO Terminal 13In Stock
15Expected 12/2/2026
¥98,816.2
¥91,599.2
¥88,659.2
Min.: 1
Mult.: 1