Chevrolet Oil Fill Cap On Valve Cover

This is an oil filler cap (breather) that fits into the valve (rocker) cover. This is a replacement (not original) and measures 3 inches in total diameter (actually 2-3/4 inches, minus the lip) by 1-1/8 inch diameter neck by 1-1/2 inches tall.

This part fits most 1946 1947 1948 1949 1950 1951 1952 1953 1954 1955 1956 1957 Chevrolet Cars and Trucks.; exceptions may apply. Please read the complete description to see if this part fits your specific vehicle and application.