Part used at the frontdeck of the Triplex. 1 package contains 4 pieces so you have 2 spares in case something happens

This part is used in the instructions for my Virginian Triplex to keep the BMR knuckle coupler at it's place. It is basically an upside down 2x3 tile with 2 studs at one side. Comes in black only

This part is listed in the instructions of the Triplex as "Panholder". It's is used at the nose of the locomotive and sits in between the 2 minifig pots (or pans). At the front is space to put a number...

Part used at the front deckplate of the Triplex. 1 package contains 4 so there's 2 extra's in case something happens to them