Motorcraft EC759 is a direct-fit engine oil filler cap built to replace a worn, missing, or leaking cap on many Ford, Lincoln, and Mercury 4-cylinder applications. Its twist-on, standard breather design helps seal the oil fill opening against leaks and contamination while supporting normal crankcase ventilation, making it a practical OE-style replacement for service work and routine oil changes.

Motorcraft EC759 Oil Filler Cap Features:

• Designed as an engine oil filler cap replacement for selected Ford C-Max, Escape, Fiesta, Focus, Fusion, Ranger, Transit Connect, Lincoln MKZ, Mercury Mariner, and Mercury Milan applications.
• Standard breather configuration helps maintain proper crankcase ventilation while keeping the oil fill opening securely covered.
• Twist-on closure installs without tools, helping technicians and DIY owners complete oil service quickly.
• Extended design gives a more convenient grip during oil changes and under-hood checks.
• Machined black finish provides a clean service-replacement appearance for the engine compartment.
• Dimensions are 0.1 x 4 x 6 in., with an approximate weight of 0.6 lb.
• Replaces OEM numbers YS4G-6766-BA and 6766; UPC 031508394377.