TCS #1361 T-3.5" is a 3.5" harness for the T series with a NMRA plug.

TCS #1706 UNIV-SH2-C Intermountain TCS 28mm Round Speaker Housing

TCS #1698 13.6mm x 9.6mm Micro WOWSpeaker .8W

TCS 1553 35 x 16mm (1.37" x.63") Oval WOWSpeaker 1W

TCS #1000 A4x Drop in four function for Atlas, Athearn Kato and other diesels. Has full lighting effects - with BEMF

TCS #1619 IB-MB1-NC Motherboard for Intermountain & Bowser Locos, with Solder Pads

TCS #1901 WSK-BAC-2 - WOWKit

TCS #1479 KAM4-LED 4 function, LED-ready, hardwire decoder with a built in KA-2 Keep-Alive

TCS #1772 WDK-ATH-1 WOWKit DCC Sound Conversion Kit

TCS #1028 DP2X 1.3 amp Plug-n-Play decoder

TCS #1527 WOW121 Diesel Decoder

TCS 1554 20mm (0.79") Round Speaker 8 ohm .8W

TCS #1013 MC2 Two function micro decoder with 7 wire mini harness

TCS #1755 WDK-ATH-7 WOWKit DCC Sound Conversion Kit

TCS #1304 Kapton Tape (KT2) - 1/2" wide

TCS #1623 AS-MB2 Motherboard for Atlas Diesel

TCS #1754 WDK-ATH-8 WOWKit

TCS #1017 MC4 Four Function micro decoder with 7 wire mini harness