Automotive Connectors – Mouser Chile

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AT Protective Backshell Boots

Amphenol Sine Systems AT Series™ Boots provide an optional protective backshell covering for harsh environmental and industrial applications in a -28°C to +100°C temperature range. These 2- to 12-position boots are designed for use with AT, ATM, and ATP Series™ connectors that do not include an endcap or shrink boot strain relief. Amphenol Sine Systems A Series™ Boots are made of high-quality plastisol in three color options: yellow, black, and gray. Typical applications include heavy equipment, construction, transportation, off-road mining, industrial, railway, automotive, and more.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (CLP) Filter the results in the table by unit price based on your quantity.	Qty.	Product	Accessory Type	Number of Positions	Gender	Color	Series	Packaging
Automotive Connectors Boot (Backshell) 3-way Plug, Yellow AT3S-BT-YW Amphenol SINE Systems 1: $1.675 121In Stock	Mfr. Part # AT3S-BT-YW Mouser Part # 654-AT3S-BT-YW	Amphenol SINE Systems	Automotive Connectors Boot (Backshell) 3-way Plug, Yellow Learn More about Amphenol SINE Systems amphenol at protective backshell boots	Datasheet	121In Stock	$1.675 $1.470 $1.401 $1.310 View $1.046 $967 $911 $903 $900	Min.: 1 Mult.: 1	Accessories	Backshell	3 Position	Plug (Male)	Yellow		Bulk
Automotive Connectors Boot (Backshell) 12-way Plug, Grey AT12S-BT Amphenol SINE Systems 1: $1.504 2.062In Stock	Mfr. Part # AT12S-BT Mouser Part # 654-AT12S-BT	Amphenol SINE Systems	Automotive Connectors Boot (Backshell) 12-way Plug, Grey Learn More about Amphenol SINE Systems amphenol at protective backshell boots	Datasheet	2.062In Stock	$1.504 $1.344 $1.253 $1.123 View $1.089 $1.036 $972 $898 $887	Min.: 1 Mult.: 1	Accessories	Backshell	12 Position	Plug (Male)	Gray	AT	Bulk
Automotive Connectors Boot (Backshell) 12-way Plug, Black AT12S-BT-BK Amphenol SINE Systems 1: $1.322 2.948In Stock	Mfr. Part # AT12S-BT-BK Mouser Part # 654-AT12S-BT-BK	Amphenol SINE Systems	Automotive Connectors Boot (Backshell) 12-way Plug, Black Learn More about Amphenol SINE Systems amphenol at protective backshell boots	Datasheet	2.948In Stock	$1.322 $1.173 $1.098 $895 View $849 $835 $766 $725 $705	Min.: 1 Mult.: 1	Accessories	Backshell	12 Position	Plug (Male)	Black	AT	Bulk
Automotive Connectors Boot (Backshell) 2-way Plug, Black AT2S-BT-BK Amphenol SINE Systems 1: $968 3.748In Stock	Mfr. Part # AT2S-BT-BK Mouser Part # 654-AT2S-BT-BK	Amphenol SINE Systems	Automotive Connectors Boot (Backshell) 2-way Plug, Black Learn More about Amphenol SINE Systems amphenol at protective backshell boots	Datasheet	3.748In Stock	$968 $778 $725 $685 View $614 $589 $551	Min.: 1 Mult.: 1	Accessories	Backshell	2 Position	Plug (Male)	Black	AT	Bulk
Automotive Connectors Boot (Backshell) 12way Receptacle Gry AT12P-BT Amphenol SINE Systems 1: $1.732 417In Stock 400On Order	Mfr. Part # AT12P-BT Mouser Part # 654-AT12P-BT	Amphenol SINE Systems	Automotive Connectors Boot (Backshell) 12way Receptacle Gry Learn More about Amphenol SINE Systems amphenol at protective backshell boots	Datasheet	417In Stock 400On Order	$1.732 $1.504 $1.344 $1.185 View $922 $844 $842	Min.: 1 Mult.: 1	Accessories	Backshell	12 Position	Receptacle (Female)	Gray		Bulk
Automotive Connectors Boot (Backshell) 12way Receptacle Blk AT12P-BT-BK Amphenol SINE Systems 1: $1.435 461In Stock 2.800On Order	Mfr. Part # AT12P-BT-BK Mouser Part # 654-AT12P-BT-BK	Amphenol SINE Systems	Automotive Connectors Boot (Backshell) 12way Receptacle Blk Learn More about Amphenol SINE Systems amphenol at protective backshell boots	Datasheet	461In Stock 2.800On Order On Order Ship Dates Mfr. #: AT12P-BT-BK Stock: 461 Can Ship Immediately On Order: 1.200 Expected 12/10/2026 1.600 Expected 2/5/2027 Factory Lead-Time: 18 Weeks	$1.435 $1.287 $1.080 $988 View $974 $859 $788 $785	Min.: 1 Mult.: 1	Accessories	Backshell	12 Position	Receptacle (Female)	Black	AT	Bulk
Automotive Connectors Boot (Backshell) 12way Rcpt Yellow AT12P-BT-YW Amphenol SINE Systems 1: $1.322 46In Stock	Mfr. Part # AT12P-BT-YW Mouser Part # 654-AT12P-BT-YW	Amphenol SINE Systems	Automotive Connectors Boot (Backshell) 12way Rcpt Yellow Learn More about Amphenol SINE Systems amphenol at protective backshell boots	Datasheet	46In Stock	$1.322 $1.230 $966 $881 View $876 $807 $764 $742	Min.: 1 Mult.: 1	Accessories	Backshell	12 Position	Receptacle (Female)	Yellow		Bulk
Automotive Connectors Boot (Backshell) 12-way Plug, Yellow AT12S-BT-YW Amphenol SINE Systems 1: $1.584 145In Stock	Mfr. Part # AT12S-BT-YW Mouser Part # 654-AT12S-BT-YW	Amphenol SINE Systems	Automotive Connectors Boot (Backshell) 12-way Plug, Yellow Learn More about Amphenol SINE Systems amphenol at protective backshell boots	Datasheet	145In Stock	$1.584 $1.356 $1.196 $1.091 View $1.037 $956 $884 $839 $819	Min.: 1 Mult.: 1	Accessories	Backshell	12 Position	Plug (Male)	Yellow		Bulk
Automotive Connectors Boot (Backshell) 2way Receptacle Grey AT2P-BT Amphenol SINE Systems 1: $1.173 614In Stock 900Expected 12/1/2026	Mfr. Part # AT2P-BT Mouser Part # 654-AT2P-BT	Amphenol SINE Systems	Automotive Connectors Boot (Backshell) 2way Receptacle Grey Learn More about Amphenol SINE Systems amphenol at protective backshell boots	Datasheet	614In Stock 900Expected 12/1/2026	$1.173 $1.054 $1.012 $947 View $861 $774 $659 $614 $607	Min.: 1 Mult.: 1	Accessories	Backshell	2 Position	Receptacle (Female)	Gray		Bulk
Automotive Connectors Boot (Backshell) 2way Rcpt Yellow AT2P-BT-YW Amphenol SINE Systems 1: $1.629 258In Stock	Mfr. Part # AT2P-BT-YW Mouser Part # 654-AT2P-BT-YW	Amphenol SINE Systems	Automotive Connectors Boot (Backshell) 2way Rcpt Yellow Learn More about Amphenol SINE Systems amphenol at protective backshell boots	Datasheet	258In Stock	$1.629 $1.401 $1.253 $1.196 View $1.185 $1.006 $876 $832 $820	Min.: 1 Mult.: 1	Accessories	Backshell	2 Position	Receptacle (Female)	Yellow		Bulk
Automotive Connectors Boot (Backshell) 2-way Plug, Grey AT2S-BT Amphenol SINE Systems 1: $1.424 635In Stock 2.700On Order	Mfr. Part # AT2S-BT Mouser Part # 654-AT2S-BT	Amphenol SINE Systems	Automotive Connectors Boot (Backshell) 2-way Plug, Grey Learn More about Amphenol SINE Systems amphenol at protective backshell boots	Datasheet	635In Stock 2.700On Order On Order Ship Dates Mfr. #: AT2S-BT Stock: 635 Can Ship Immediately On Order: 1.500 Expected 11/13/2026 1.200 Expected 3/8/2027 Factory Lead-Time: 18 Weeks	$1.424 $1.208 $1.090 $1.039 View $962 $934 $784 $742 $720	Min.: 1 Mult.: 1	Accessories	Backshell	2 Position	Plug (Male)	Gray		Bulk
Automotive Connectors Boot (Backshell) 2-way Plug, Yellow AT2S-BT-YW Amphenol SINE Systems 1: $1.743 78In Stock	Mfr. Part # AT2S-BT-YW Mouser Part # 654-AT2S-BT-YW	Amphenol SINE Systems	Automotive Connectors Boot (Backshell) 2-way Plug, Yellow Learn More about Amphenol SINE Systems amphenol at protective backshell boots	Datasheet	78In Stock	$1.743 $1.492 $1.333 $1.276 View $1.173 $1.015 $902 $859 $845	Min.: 1 Mult.: 1	Accessories	Backshell	2 Position	Plug (Male)	Yellow		Bulk
Automotive Connectors Boot (Backshell) 3way Receptacle Grey AT3P-BT Amphenol SINE Systems 1: $1.173 1.430In Stock	Mfr. Part # AT3P-BT Mouser Part # 654-AT3P-BT	Amphenol SINE Systems	Automotive Connectors Boot (Backshell) 3way Receptacle Grey Learn More about Amphenol SINE Systems amphenol at protective backshell boots	Datasheet	1.430In Stock	$1.173 $997 $891 $848 View $785 $784 $726 $671 $665	Min.: 1 Mult.: 1	Accessories	Backshell	3 Position	Receptacle (Female)	Gray		Bulk
Automotive Connectors Boot (Backshell) 3way Rcpt Yellow AT3P-BT-YW Amphenol SINE Systems 1: $1.675 63In Stock	Mfr. Part # AT3P-BT-YW Mouser Part # 654-AT3P-BT-YW	Amphenol SINE Systems	Automotive Connectors Boot (Backshell) 3way Rcpt Yellow Learn More about Amphenol SINE Systems amphenol at protective backshell boots	Datasheet	63In Stock	$1.675 $1.447 $1.230 $1.173 View $1.093 $1.066 $877 $839 $816	Min.: 1 Mult.: 1	Accessories	Backshell	3 Position	Receptacle (Female)	Yellow		Bulk
Automotive Connectors Boot (Backshell) 3-way Plug, Black AT3S-BT-BK Amphenol SINE Systems 1: $1.356 366In Stock 600Expected 12/10/2026	Mfr. Part # AT3S-BT-BK Mouser Part # 654-AT3S-BT-BK	Amphenol SINE Systems	Automotive Connectors Boot (Backshell) 3-way Plug, Black Learn More about Amphenol SINE Systems amphenol at protective backshell boots	Datasheet	366In Stock 600Expected 12/10/2026	$1.356 $1.162 $1.032 $983 View $865 $804 $758 $755	Min.: 1 Mult.: 1	Accessories	Backshell	3 Position	Plug (Male)	Black		Bulk
Automotive Connectors Boot (Backshell) 4way Receptacle Grey AT4P-BT Amphenol SINE Systems 1: $1.139 237In Stock 600Expected 12/10/2026	Mfr. Part # AT4P-BT Mouser Part # 654-AT4P-BT	Amphenol SINE Systems	Automotive Connectors Boot (Backshell) 4way Receptacle Grey Learn More about Amphenol SINE Systems amphenol at protective backshell boots	Datasheet	237In Stock 600Expected 12/10/2026	$1.139 $971 $867 $825 View $726 $692 $653 $646	Min.: 1 Mult.: 1	Accessories	Backshell	4 Position	Receptacle (Female)	Gray		Bulk
Automotive Connectors Boot (Backshell) 4way Receptacle Blk AT4P-BT-BK Amphenol SINE Systems 1: $1.094 1.329In Stock 600On Order	Mfr. Part # AT4P-BT-BK Mouser Part # 654-AT4P-BT-BK	Amphenol SINE Systems	Automotive Connectors Boot (Backshell) 4way Receptacle Blk Learn More about Amphenol SINE Systems amphenol at protective backshell boots	Datasheet	1.329In Stock 600On Order	$1.094 $939 $850 $809 View $749 $689 $628 $533	Min.: 1 Mult.: 1	Accessories	Backshell	4 Position	Receptacle (Female)	Black		Bulk
Automotive Connectors Boot (Backshell) 4way Rcpt Yellow AT4P-BT-YW Amphenol SINE Systems 1: $1.139 56In Stock	Mfr. Part # AT4P-BT-YW Mouser Part # 654-AT4P-BT-YW	Amphenol SINE Systems	Automotive Connectors Boot (Backshell) 4way Rcpt Yellow Learn More about Amphenol SINE Systems amphenol at protective backshell boots	Datasheet	56In Stock	$1.139 $971 $850 $813 View $761 $721 $636 $597 $588	Min.: 1 Mult.: 1	Accessories	Backshell	4 Position	Receptacle (Female)	Yellow		Bulk
Automotive Connectors Boot (Backshell) 4-way Plug, Grey AT4S-BT Amphenol SINE Systems 1: $1.663 785In Stock 600Expected 12/17/2026	Mfr. Part # AT4S-BT Mouser Part # 654-AT4S-BT	Amphenol SINE Systems	Automotive Connectors Boot (Backshell) 4-way Plug, Grey Learn More about Amphenol SINE Systems amphenol at protective backshell boots	Datasheet	785In Stock 600Expected 12/17/2026	$1.663 $1.413 $1.322 $1.265 View $1.196 $1.130 $834 $794 $787	Min.: 1 Mult.: 1	Accessories	Backshell	4 Position	Plug (Male)	Gray	AT	Bulk
Automotive Connectors Boot (Backshell) 4-way Plug, Yellow AT4S-BT-YW Amphenol SINE Systems 1: $1.732 156In Stock	Mfr. Part # AT4S-BT-YW Mouser Part # 654-AT4S-BT-YW	Amphenol SINE Systems	Automotive Connectors Boot (Backshell) 4-way Plug, Yellow Learn More about Amphenol SINE Systems amphenol at protective backshell boots	Datasheet	156In Stock	$1.732 $1.470 $1.344 $1.276 View $1.151 $1.088 $968 $917 $897	Min.: 1 Mult.: 1	Accessories	Backshell	4 Position	Plug (Male)	Yellow		Bulk
Automotive Connectors Boot (Backshell) 6way Receptacle Blk AT6P-BT-BK Amphenol SINE Systems 1: $1.265 109In Stock 900On Order	Mfr. Part # AT6P-BT-BK Mouser Part # 654-AT6P-BT-BK	Amphenol SINE Systems	Automotive Connectors Boot (Backshell) 6way Receptacle Blk Learn More about Amphenol SINE Systems amphenol at protective backshell boots	Datasheet	109In Stock 900On Order On Order Ship Dates Mfr. #: AT6P-BT-BK Stock: 109 Can Ship Immediately On Order: 300 Expected 11/23/2026 600 Expected 1/21/2027 Factory Lead-Time: 14 Weeks	$1.265 $944 $901 $868 View $818 $817 $777 $723 $718	Min.: 1 Mult.: 1	Accessories	Backshell	6 Position	Receptacle (Female)	Black	AT	Bulk
Automotive Connectors Boot (Backshell) 6way Rcpt Yellow AT6P-BT-YW Amphenol SINE Systems 1: $1.379 280In Stock	Mfr. Part # AT6P-BT-YW Mouser Part # 654-AT6P-BT-YW	Amphenol SINE Systems	Automotive Connectors Boot (Backshell) 6way Rcpt Yellow Learn More about Amphenol SINE Systems amphenol at protective backshell boots	Datasheet	280In Stock	$1.379 $1.173 $1.038 $992 View $942 $868 $738 $702 $687	Min.: 1 Mult.: 1	Accessories	Backshell	6 Position	Receptacle (Female)	Yellow		Bulk
Automotive Connectors Boot (Backshell) 6-way Plug, Grey AT6S-BT Amphenol SINE Systems 1: $1.401 280In Stock 600Expected 11/9/2026	Mfr. Part # AT6S-BT Mouser Part # 654-AT6S-BT	Amphenol SINE Systems	Automotive Connectors Boot (Backshell) 6-way Plug, Grey Learn More about Amphenol SINE Systems amphenol at protective backshell boots	Datasheet	280In Stock 600Expected 11/9/2026	$1.401 $1.253 $1.185 $1.124 View $943 $813	Min.: 1 Mult.: 1	Accessories	Backshell	6 Position	Plug (Male)	Gray	AT	Bulk
Automotive Connectors Boot (Backshell) 6-way Plug, Yellow AT6S-BT-YW Amphenol SINE Systems 1: $1.618 230In Stock	Mfr. Part # AT6S-BT-YW Mouser Part # 654-AT6S-BT-YW	Amphenol SINE Systems	Automotive Connectors Boot (Backshell) 6-way Plug, Yellow Learn More about Amphenol SINE Systems amphenol at protective backshell boots	Datasheet	230In Stock	$1.618 $1.379 $1.208 $1.151 View $1.070 $1.012 $891 $851 $832	Min.: 1 Mult.: 1	Accessories	Backshell	6 Position	Plug (Male)	Yellow		Bulk
Automotive Connectors Boot (Backshell) 8way Receptacle Grey AT8P-BT Amphenol SINE Systems 1: $1.242 1.568In Stock	Mfr. Part # AT8P-BT Mouser Part # 654-AT8P-BT	Amphenol SINE Systems	Automotive Connectors Boot (Backshell) 8way Receptacle Grey Learn More about Amphenol SINE Systems amphenol at protective backshell boots	Datasheet	1.568In Stock	$1.242 $1.089 $1.005 $981 View $919 $829 $749 $737	Min.: 1 Mult.: 1	Accessories	Backshell	8 Position	Receptacle (Female)	Gray	AT	Bulk

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AT Protective Backshell Boots

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