AT Series™ 18-Position Thermoplastic Connectors

Amphenol Sine Systems AT Series™ 18-Position Thermoplastic Connectors feature an 18 x size 16 contact configuration with IP68 / IP69K protection when mated. These heavy-duty, multipin, thermoplastic connectors include superior front and rear environmental seals and seal retention capabilities, which provide a multi-sealing perimeter against environmental ingress. The plug and receptacle housings are pre-assembled with internal rear seals and covers, while an integrated mating latch ensures a definitive mechanical and electrical connection. Amphenol Sine Systems AT Series 18-Position Thermoplastic Connectors are industry-wide compatible with existing standard products. Applications include heavy-duty, transportation, marine, diagnostic, alternative energy, agricultural, and other demanding to interconnect architectures.

Results: 32
Select Image Part # Mfr. Description Datasheet Availability Pricing (CLP) Filter the results in the table by unit price based on your quantity. Qty. RoHS ECAD Model Product Number of Positions Gender Mounting Style Wire Gauge Min Wire Gauge Max Color Sealed / Unsealed Series Packaging


Amphenol SINE Systems Automotive Connectors 18 Position Receptac Cap, Keyed D, Black 301In Stock
$7.041
$6.255
$5.947
$5.799
Min.: 1
Mult.: 1
Connectors 18 Position Receptacle (RP - Male) Cable Mount / Free Hanging 20 AWG 14 AWG Black A Bulk
Amphenol SINE Systems Automotive Connectors 18 Position Panel Mo d Cap, Keyed A, Gray 440In Stock
600On Order
$10.276
$8.738
$8.191
$7.793
Min.: 1
Mult.: 1
Connectors 18 Position Receptacle (RP - Male) Cable Mount / Free Hanging 20 AWG 14 AWG Gray A Bulk
Amphenol SINE Systems Automotive Connectors 18 Position Plug, Ke Plug, Keyed C, Green 523In Stock
600Expected 12/2/2026
$8.955
$8.260
$7.724
$7.405
Min.: 1
Mult.: 1
Connectors 18 Position Plug (RP - Female) Cable Mount / Free Hanging 20 AWG 14 AWG Green A Bulk
Amphenol SINE Systems Automotive Connectors 18 Position Plug wit Cap, Keyed D, Black 591In Stock
$11.302
$9.912
$9.296
$8.852
Min.: 1
Mult.: 1
Connectors 18 Position Plug (RP - Female) Cable Mount / Free Hanging 20 AWG 14 AWG Black A Bulk
Amphenol SINE Systems Automotive Connectors 18 Position Receptac d Cap, Keyed A, Gray 33In Stock
100Expected 2/15/2027
$10.060
$8.932
$8.374
$7.975
Min.: 1
Mult.: 1
Connectors 18 Position 20 AWG 14 AWG Gray A Bulk
Amphenol SINE Systems Automotive Connectors 18 Position Panel Mo Cap, Keyed B, Black 90In Stock
100Expected 12/10/2026
$10.994
$9.513
$8.864
$8.590
Min.: 1
Mult.: 1
Connectors 18 Position Receptacle (RP - Male) Panel Mount 20 AWG 14 AWG Black A Bulk


Amphenol SINE Systems Automotive Connectors 18 Position Receptac Cap, Keyed B, Black 32In Stock
200Expected 2/23/2027
$10.048
$8.681
$8.134
$7.747
Min.: 1
Mult.: 1
Connectors 18 Position Receptacle (RP - Male) Cable Mount / Free Hanging 20 AWG 14 AWG Black A Bulk
Amphenol SINE Systems Automotive Connectors 18 Position Receptac acle, Keyed C, Green 62In Stock
200Expected 11/2/2026
$10.071
$8.556
$8.021
$7.645
Min.: 1
Mult.: 1
Connectors 18 Position 20 AWG 14 AWG Green A Bulk
Amphenol SINE Systems Automotive Connectors 18 Position Receptac Cap, Keyed C, Green 64In Stock
$11.119
$10.003
$9.433
$9.183
Min.: 1
Mult.: 1
Connectors 18 Position 20 AWG 14 AWG Green A Bulk
Amphenol SINE Systems Automotive Connectors 18 Position Panel Mo Cap, Keyed C, Green 78In Stock
100Expected 12/30/2026
$16.485
$14.013
$13.626
$11.837
Min.: 1
Mult.: 1
Connectors 18 Position Receptacle (RP - Male) Panel Mount 20 AWG 14 AWG Green A Bulk


Amphenol SINE Systems Automotive Connectors 18 Position Receptac Cap, Keyed C, Black 35In Stock
100Expected 2/24/2027
$10.208
$8.681
$8.134
$7.747
Min.: 1
Mult.: 1
Connectors 18 Position Receptacle (RP - Male) Cable Mount / Free Hanging 20 AWG 14 AWG Black A Bulk
Amphenol SINE Systems Automotive Connectors 18 Position Receptac acle, Keyed D, Brown 28In Stock
200Expected 2/23/2027
$10.071
$8.556
$8.021
$7.075
Min.: 1
Mult.: 1
Connectors 18 Position 20 AWG 14 AWG Brown A Bulk
Amphenol SINE Systems Automotive Connectors 18 Position Panel Mo acle, Keyed D, Brown 63In Stock
$15.836
$13.455
$12.612
$12.019
Min.: 1
Mult.: 1
Connectors 18 Position Receptacle (RP - Male) Panel Mount 20 AWG 14 AWG Brown A Bulk
Amphenol SINE Systems Automotive Connectors 18 Position Panel Mo Cap, Keyed D, Brown 2In Stock
$16.371
$14.013
$13.136
$12.509
Min.: 1
Mult.: 1
Connectors 18 Position Receptacle (RP - Male) Panel Mount 20 AWG 14 AWG Brown A Bulk
Amphenol SINE Systems Automotive Connectors 18 Position Receptac Cap, Keyed E, Black 29In Stock
$10.071
$8.556
$8.021
$7.645
Min.: 1
Mult.: 1
Connectors 18 Position Receptacle (RP - Male) Cable Mount / Free Hanging 20 AWG 14 AWG Black A Bulk
Amphenol SINE Systems Automotive Connectors 18 Position Panel Mo tacle, Keyed E, Gray 16In Stock
100Expected 12/14/2026
$18.103
$16.155
$12.612
$12.019
Min.: 1
Mult.: 1
Connectors 18 Position Receptacle (RP - Male) Panel Mount 20 AWG 14 AWG Gray A Bulk
Amphenol SINE Systems Automotive Connectors 18 Position Panel Mo d Cap, Keyed E, Gray 46In Stock
$16.485
$16.155
$14.708
$12.509
Min.: 1
Mult.: 1
Connectors 18 Position Receptacle (RP - Male) Panel Mount 20 AWG 14 AWG Gray A Bulk


Amphenol SINE Systems Automotive Connectors 18 Position Receptac Cap, Keyed E, Black 59In Stock
$9.923
$8.966
$8.351
$7.975
Min.: 1
Mult.: 1
Connectors 18 Position Receptacle (RP - Male) Cable Mount / Free Hanging 20 AWG 14 AWG Black A Bulk
Amphenol SINE Systems Automotive Connectors 18 Position Plug wit d Cap, Keyed A, Gray 107In Stock
900On Order
$11.598
$9.855
$9.240
$8.795
Min.: 1
Mult.: 1
Connectors 18 Position 20 AWG 14 AWG Gray A Bulk
Amphenol SINE Systems Automotive Connectors 18 Position Plug wit Cap, Keyed C, Green 119In Stock
200Expected 11/18/2026
$12.942
$11.643
$10.971
$10.698
Min.: 1
Mult.: 1
Connectors 18 Position 20 AWG 14 AWG Green A Bulk
Amphenol SINE Systems Automotive Connectors 18 Position Plug, Ke Plug, Keyed D, Brown 24In Stock
200Expected 12/10/2026
$9.570
$8.670
$8.294
$8.043
Min.: 1
Mult.: 1
Connectors 18 Position Plug (RP - Female) Cable Mount / Free Hanging 20 AWG 14 AWG Brown A Bulk
Amphenol SINE Systems Automotive Connectors 18 Position Plug wit Cap, Keyed D, Brown 6In Stock
300On Order
$12.065
$10.265
$9.615
$9.160
Min.: 1
Mult.: 1
Connectors 18 Position 20 AWG 14 AWG Brown A Bulk
Amphenol SINE Systems Automotive Connectors 18 Position Plug wit Cap, Keyed D, Black 17In Stock
$11.803
$11.370
$9.399
$8.955
Min.: 1
Mult.: 1
Connectors 18 Position Receptacle (RP - Male) Cable Mount / Free Hanging 20 AWG 14 AWG Black A Bulk
Amphenol SINE Systems Automotive Connectors 18 Position Plug wit d Cap, Keyed E, Gray 69In Stock
$12.065
$10.265
$9.615
$9.160
Min.: 1
Mult.: 1
Connectors 18 Position 20 AWG 14 AWG Gray A Bulk
Amphenol SINE Systems Automotive Connectors 18 Position Plug wit Cap, Keyed E, Black 34In Stock
400Expected 12/10/2026
$10.971
$9.376
$8.784
$8.374
Min.: 1
Mult.: 1
Connectors 18 Position Plug (RP - Female) Cable Mount / Free Hanging 20 AWG 14 AWG Black A Bulk