Marklin 600300 One Pair of Motor Brushes, Bürstenpaar, Fits Many Old Locomotives
Got my locomotive back on track.
Marklin E600100 Light Bulb Pair, 19 Volt for Many Older Locomotives & Lamp Posts
Exactly what I was looking for.
7154 MARKLIN HO Rubber Tires 10 pieces/bag - NEW
At first they looked too small. They needed to be stretched onto the wheel. They fit perfectly.