.hide-partial { max-height: none; } .show-more { display: none; }

MX123 Automotive Connectors

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Results: 30

Applied Filters:

Tradename = MX123

Product

Accessory Type

Number of Positions

Pitch

Gender

Mounting Style

Termination Style

Contact Plating

Color

Sealed / Unsealed

Series

Packaging

Reset All

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Part #

Automotive Connectors MX123 HDR 73CKT SHRD KEY A BLK GLD

31387-2014
Molex
1: $26.16
1,150In Stock

Mfr. Part No.
31387-2014

Mouser Part No
538-31387-2014

Molex

Automotive Connectors MX123 HDR 73CKT SHRD KEY A BLK GLD

Learn More

Datasheet

1,150In Stock

$26.16

$23.62

$22.75

$22.66

View

Min.: 1
Mult.: 1

Headers

73 Position

2.54 mm (0.1 in)

Pin (Male)

Through Hole

Solder Pin

Gold

Black

31387

Bulk

Automotive Connectors MX123 56CKT HDR SHRD KEY H GRY GLD

31386-2002
Molex
1: $17.12
2,784In Stock

Mfr. Part No.
31386-2002

Mouser Part No
538-31386-2002

Molex

Automotive Connectors MX123 56CKT HDR SHRD KEY H GRY GLD

Learn More

Datasheet

2,784In Stock

$17.12

$15.18

$14.60

$14.01

View

Min.: 1
Mult.: 1

Headers

56 Position

2.54 mm (0.1 in)

Pin (Male)

Through Hole

Solder Pin

Gold

Gray

31386

Automotive Connectors MX123 56KCT HDR SHRD KEY G BLUE GOLD

31386-2001
Molex
1: $22.03
1,099In Stock

Mfr. Part No.
31386-2001

Mouser Part No
538-31386-2001

Molex

Automotive Connectors MX123 56KCT HDR SHRD KEY G BLUE GOLD

Learn More

Datasheet

1,099In Stock

$22.03

$17.53

$17.36

$17.25

View

Min.: 1
Mult.: 1

Headers

56 Position

2.54 mm (0.1 in)

Pin (Male)

Through Hole

Solder Pin

Gold

Blue

31386

Bulk

Automotive Connectors MX123 66CKT HDR SHRD Key A BLK GLD

31387-8001
Molex
1: $19.61
872In Stock

Mfr. Part No.
31387-8001

Mouser Part No
538-31387-8001

Molex

Automotive Connectors MX123 66CKT HDR SHRD Key A BLK GLD

Learn More

Datasheet

872In Stock

$19.61

$16.43

$14.11

$14.01

View

Min.: 1
Mult.: 1

Headers

66 Position

2.54 mm (0.1 in)

Pin (Male)

Through Hole

Solder Pin

Gold

Black

31387

Automotive Connectors MX123 HDR 73CKT SHRD KEY B GRY SLVR

31387-2032
Molex
1: $8.72
631In Stock

Mfr. Part No.
31387-2032

Mouser Part No
538-31387-2032

Molex

Automotive Connectors MX123 HDR 73CKT SHRD KEY B GRY SLVR

Learn More

Datasheet

631In Stock

$8.72

$4.99

Min.: 1
Mult.: 1

Headers

73 Position

2.54 mm (0.1 in)

Pin (Male)

Through Hole

Solder Pin

Silver

Gray

31387

Automotive Connectors MX123 HDR 80CKT SHRD KEY G BLUE SLVR

31387-4017
Molex
1: $11.31
450In Stock

Mfr. Part No.
31387-4017

Mouser Part No
538-31387-4017

Molex

Automotive Connectors MX123 HDR 80CKT SHRD KEY G BLUE SLVR

Learn More

Datasheet

450In Stock

$11.31

$6.12

$5.37

$5.10

Min.: 1
Mult.: 1

Headers

80 Position

2.54 mm (0.1 in)

Pin (Male)

Through Hole

Solder Pin

Silver

Blue

31387

Automotive Connectors MX123 HDR 73CKT SHRD KEY B GRY GLD

31387-2002
Molex
1: $24.91
927In Stock

Mfr. Part No.
31387-2002

Mouser Part No
538-31387-2002

Molex

Automotive Connectors MX123 HDR 73CKT SHRD KEY B GRY GLD

Learn More

Datasheet

927In Stock

$24.91

$23.16

$22.48

$22.14

View

Min.: 1
Mult.: 1

Headers

73 Position

2.54 mm (0.1 in)

Pin (Male)

Through Hole

Solder Pin

Gold

Gray

31387

Bulk

Automotive Connectors MX123 66CKT HDR SHRD KEY C BLUE SLVR

31387-8006
Molex
1: $9.12
1,092In Stock

Mfr. Part No.
31387-8006

Mouser Part No
538-31387-8006

Molex

Automotive Connectors MX123 66CKT HDR SHRD KEY C BLUE SLVR

Learn More

Datasheet

1,092In Stock

$9.12

$8.24

$7.80

$7.60

View

Min.: 1
Mult.: 1

Headers

66 Position

2.54 mm (0.1 in)

Pin (Male)

Through Hole

Solder Pin

Silver

Blue

31387

Automotive Connectors MX123 HDR 73CKT SHRD KEY C BLUE GLD

31387-2003
Molex
1: $20.82
90In Stock

Mfr. Part No.
31387-2003

Mouser Part No
538-31387-2003

Molex

Automotive Connectors MX123 HDR 73CKT SHRD KEY C BLUE GLD

Learn More

Datasheet

90In Stock

$20.82

$20.47

$20.13

$19.54

View

Min.: 1
Mult.: 1

Headers

73 Position

2.54 mm (0.1 in)

Pin (Male)

Through Hole

Solder Pin

Gold

Blue

31387

Automotive Connectors MX123 HRN CONN ASSY 66 CKT OPT9 KEY C/66

216741-0004
Molex
1: $7.56
84In Stock
New Product

Mfr. Part No.
216741-0004

Mouser Part No
538-216741-0004

New Product

Molex

Automotive Connectors MX123 HRN CONN ASSY 66 CKT OPT9 KEY C/66

Learn More

Datasheet

84In Stock

$7.56

$6.88

$6.52

$6.37

View

Min.: 1
Mult.: 1

216741

Automotive Connectors MX123 WIRE DRESS COVER 66/73/80 CKT

34565-0005
Molex
1: $0.876
2,370In Stock
New Product

Mfr. Part No.
34565-0005

Mouser Part No
538-34565-0005

New Product

Molex

Automotive Connectors MX123 WIRE DRESS COVER 66/73/80 CKT

Datasheet

2,370In Stock

$0.876

$0.767

$0.673

$0.664

Min.: 1
Mult.: 1

34565

Automotive Connectors MX123 HRN CONN ASSY 73 CKT OPT0 KEY C/73

216739-0003
Molex
1: $4.93
366In Stock
New Product

Mfr. Part No.
216739-0003

Mouser Part No
538-216739-0003

New Product

Molex

Automotive Connectors MX123 HRN CONN ASSY 73 CKT OPT0 KEY C/73

Datasheet

366In Stock

$4.93

$4.49

$4.25

$3.95

View

Min.: 1
Mult.: 1

216739

Automotive Connectors MX123 73/80Ckt Dress Cover

34565-0003
Molex
1: $2.85
5,154In Stock
5,000Expected 18/5/2026

Mfr. Part No.
34565-0003

Mouser Part No
538-34565-0003

Molex

Automotive Connectors MX123 73/80Ckt Dress Cover

Learn More

Datasheet

5,154In Stock

5,000Expected 18/5/2026

$2.85

$2.49

$2.39

$2.22

View

Min.: 1
Mult.: 1

Accessories

Cover

Black

34565

Bulk

Automotive Connectors MX123 0.64mm Grommet Seal Plug

34586-0001
Molex
1: $0.222
100,108In Stock
240,000Expected 18/5/2026

Mfr. Part No.
34586-0001

Mouser Part No
538-34586-0001

Molex

Automotive Connectors MX123 0.64mm Grommet Seal Plug

Learn More

Datasheet

100,108In Stock

240,000Expected 18/5/2026

$0.222

$0.178

$0.17

$0.15

View

Min.: 1
Mult.: 1

Accessories

Connector Seal

Plug (Male)

Gray

34586

Automotive Connectors MX123 66CKT HDR SHRD Key A BLK SLVR

31387-8004
Molex
1: $9.12
370In Stock

Mfr. Part No.
31387-8004

Mouser Part No
538-31387-8004

Molex

Automotive Connectors MX123 66CKT HDR SHRD Key A BLK SLVR

Learn More

Datasheet

370In Stock

$9.12

$8.24

$7.80

$7.60

View

Min.: 1
Mult.: 1

Headers

66 Position

2.54 mm (0.1 in)

Pin (Male)

Through Hole

Solder Pin

Silver

Black

31387

Automotive Connectors MX123 56CKT HDR SHRD KEY G BLUE SLVR

31386-2020
Molex
1: $8.40
256In Stock

Mfr. Part No.
31386-2020

Mouser Part No
538-31386-2020

Molex

Automotive Connectors MX123 56CKT HDR SHRD KEY G BLUE SLVR

Learn More

Datasheet

256In Stock

$8.40

$7.42

$7.19

$7.09

View

Min.: 1
Mult.: 1

Headers

56 Position

2.54 mm (0.1 in)

Pin (Male)

Through Hole

Solder Pin

Silver

Blue

31386

Automotive Connectors MX123 56CKT HDR SHRD KEY H GRY SLVR

31386-2021
Molex
1: $12.58
74In Stock

Mfr. Part No.
31386-2021

Mouser Part No
538-31386-2021

Molex

Automotive Connectors MX123 56CKT HDR SHRD KEY H GRY SLVR

Learn More

Datasheet

74In Stock

$12.58

$12.30

$11.95

$11.68

View

Min.: 1
Mult.: 1

Headers

56 Position

2.54 mm (0.1 in)

Pin (Male)

Through Hole

Solder Pin

Silver

Gray

31386

Automotive Connectors MX123 HDR 73CKT SHRD KEY C BLUE SLVR

31387-2033
Molex
1: $9.05
30In Stock

Mfr. Part No.
31387-2033

Mouser Part No
538-31387-2033

Molex

Automotive Connectors MX123 HDR 73CKT SHRD KEY C BLUE SLVR

Learn More

Datasheet

30In Stock

$9.05

$8.60

$8.13

$7.35

View

Min.: 1
Mult.: 1

Headers

73 Position

2.54 mm (0.1 in)

Pin (Male)

Through Hole

Solder Pin

Silver

Blue

31387

Automotive Connectors MX123 66CKT HDR SHRD KEY C BLUE GLD

31387-8003
Molex
1: $23.31
259In Stock

Mfr. Part No.
31387-8003

Mouser Part No
538-31387-8003

Molex

Automotive Connectors MX123 66CKT HDR SHRD KEY C BLUE GLD

Learn More

Datasheet

259In Stock

$23.31

$23.05

$22.60

$22.24

View

Min.: 1
Mult.: 1

Headers

66 Position

2.54 mm (0.1 in)

Pin (Male)

Through Hole

Solder Pin

Gold

Blue

31387

Automotive Connectors MX123 49/56Ckt Dress Cover

34575-0003
Molex
1: $0.806
2,952In Stock
248Expected 7/5/2026

Mfr. Part No.
34575-0003

Mouser Part No
538-34575-0003

Molex

Automotive Connectors MX123 49/56Ckt Dress Cover

Learn More

Datasheet

2,952In Stock

248Expected 7/5/2026

$0.806

$0.703

$0.644

$0.581

View

Min.: 1
Mult.: 1

Accessories

Black

34575

Bulk

Automotive Connectors MX123 HRN CONN 49CKT OPT9 KY A/49

34576-1303
Molex
1: $28.68
32In Stock

Mfr. Part No.
34576-1303

Mouser Part No
538-34576-1303

Molex

Automotive Connectors MX123 HRN CONN 49CKT OPT9 KY A/49

Learn More

Datasheet

32In Stock

$28.68

$28.19

$27.69

$27.20

View

Min.: 1
Mult.: 1

Housings

49 Position

Receptacle (Female)

Cable Mount / Free Hanging

Crimp

34576

Automotive Connectors MX123 HDR 73CKT SHRD KEY A BLK SLVR

31387-2034
Molex
1: $8.85
1,062Expected 13/7/2026

Mfr. Part No.
31387-2034

Mouser Part No
538-31387-2034

Molex

Automotive Connectors MX123 HDR 73CKT SHRD KEY A BLK SLVR

Learn More

Datasheet

1,062Expected 13/7/2026

$8.85

$8.01

$7.12

$5.50

View

Min.: 1
Mult.: 1

Headers

73 Position

2.54 mm (0.1 in)

Pin (Male)

Through Hole

Solder Pin

Silver

Black

31387

Automotive Connectors MX123 HDR 80CKT SHRD KEY H BLUE GLD

31387-4001
Molex
1: $20.91
1,120Expected 18/6/2026

Mfr. Part No.
31387-4001

Mouser Part No
538-31387-4001

Molex

Automotive Connectors MX123 HDR 80CKT SHRD KEY H BLUE GLD

Learn More

Datasheet

1,120Expected 18/6/2026

$20.91

$19.77

$19.53

$19.52

View

Min.: 1
Mult.: 1

Headers

80 Position

2.54 mm (0.1 in)

Pin (Male)

Through Hole

Solder Pin

Gold

Blue

31387

Bulk

Automotive Connectors MX123 HDR 80CKT SHRD KEY H GRY GLD

31387-4009
Molex
1: $22.62
1,083Expected 28/5/2026

Mfr. Part No.
31387-4009

Mouser Part No
538-31387-4009

Molex

Automotive Connectors MX123 HDR 80CKT SHRD KEY H GRY GLD

Learn More

Datasheet

1,083Expected 28/5/2026

$22.62

$16.87

$16.40

$15.93

View

Min.: 1
Mult.: 1

Headers

80 Position

2.54 mm (0.1 in)

Pin (Male)

Through Hole

Solder Pin

Gold

Gray

31387

Bulk

Automotive Connectors MX123 HDR 80CKT SHRD KEY H GRY SLVR

31387-4018
Molex
1: $9.84
1,025Expected 9/7/2026

Mfr. Part No.
31387-4018

Mouser Part No
538-31387-4018

Molex

Automotive Connectors MX123 HDR 80CKT SHRD KEY H GRY SLVR

Learn More

Datasheet

1,025Expected 9/7/2026

$9.84

$8.90

$8.41

$8.20

View

Min.: 1
Mult.: 1

Headers

80 Position

2.54 mm (0.1 in)

Plug (Male)

SMD/SMT

Solder Pin

Silver

Gray

31387

MX123 Automotive Connectors

Customer Service Office

Company

Resources

Support