Complete your engine bay with this 1965–1970 Ford Mustang EC31 Push-On Oil Filler Cap with Tube – Black (6 & 8 Cylinder), designed for proper function and a clean, factory-correct appearance.

Engineered for both inline 6-cylinder and V8 Mustangs, this EC31-style oil filler cap features an integrated tube connection to support proper crankcase ventilation. It helps regulate internal engine pressure while keeping contaminants out, ensuring smoother operation and improved engine longevity.

The push-on design allows for quick, secure installation and easy removal during maintenance. Finished in a durable black coating, this cap delivers an original-style look that’s perfect for restorations or stock-appearing engine bays.

Key Features:

• Fits 1965–1970 Ford Mustang 6-cylinder and V8 engines
• EC31-style push-on oil filler cap with ventilation tube connection
• Supports proper crankcase ventilation and engine performance
• Easy push-on installation for convenience
• Black finish for factory-correct appearance
• Durable construction for long-lasting use
• Ideal for restoration or replacement

Keep your Mustang running clean and looking right with a functional, factory-style oil filler cap built for classic performance and reliability.