The crossword solution for the term 'OIL FILTER BRAND' is FRAM, which is a four-letter word. FRAM is an American brand of oil filters that has been in production since 1932. It is one of the most popular oil filter brands in the world and is known for its high-quality products. FRAM oil filters are designed to remove dirt, dust, and other contaminants from engine oil, helping to keep engines running smoothly and efficiently.