Marshall parts are components used to repair, maintain, or upgrade amplifiers made by Marshall Amplification. These parts include vacuum tubes, output and power transformers, speakers, resistors, capacitors, potentiometers, and input/output jacks. Each component plays a vital role in shaping tone, gain, and overall performance. Replacement logos, knobs, grill cloth, and cabinets also help restore classic appearance. Using quality parts ensures dependable operation, authentic sound, and extended lifespan for both vintage and modern Marshall amplifiers.