Collection: ET4

The Vespa ET4 is the four-stroke member of Piaggio's modern ET range.

This section links to our ET4 categories: engine and transmission parts like belts, roller weights, oil filters and seals; electrical parts; fuel system and exhaust; suspension and brakes; chassis and body parts; rubber; accessories such as racks, windscreens and side stands; specialty tools; and Malossi performance upgrades. Many parts are listed by Piaggio number, so check yours, as ET4 125 and 150 engines differ in places.