Injector Dynamics 15mm bottom O‑ring, a replacement sealing ring for compatible fuel injectors. This small service part restores a proper seal between injector and fuel rail or injector lower housing to help prevent leaks and maintain correct fuel delivery. Kept as a routine maintenance item, the 15mm bottom O‑ring is useful for injector rebuilds and scheduled service where seals have become brittle or damaged.
Injector Dynamics 15mm Bottom O-Ring