May 1 (Reuters) - Ecommerce firm eBay forecast second-quarter revenue below Wall Street estimates on Wednesday, as demand cools for product categories like collector's items and auto parts.

The company expects revenue in the range of $2.49 billion to $2.54 billion for the quarter ending June. Analysts on average were expecting $2.56 billion, according to LSEG data. (Reporting by Yuvraj Malik in Bengaluru; Editing by Tasim Zahid)