Phone: 631-721-9550 About US: Working with eCarsCash in Centereach is super easy. You can sell car for cash in just one day and get the money you so desperately need the very same day. It sounds too good to be true, we know! However, we assure you that this is really how we do business. Still reluctant to sell car for cash? Keep in mind that we have served over 10,000 people in Centereach and surrounding cities to date.We pay good cash for junk cars in Centereach. This should be the first reason to sell that old, rusty car to us. No other company in the city will make you a better offer.