The man was caught on camera getting kicked out of a nightclub on Motor Parkway in Hauppauge during the early-morning hours of Sunday, March 16.
Authorities say the man returned a short time later and poured gasoline onto three parked vehicles in Brentwood and Commack before he was interrupted and chased away.
The suspect is described as a Hispanic male who was wearing a white leather jacket with a unique pattern on the back.
Suffolk County Crime Stoppers offers a cash reward of up to $5,000 for information that leads to an arrest. Anyone with information about this crime is asked to call anonymously to Crime Stoppers at 1-800-220-TIPS. All calls will be kept confidential.