On most engines oil is added through the top of the motor by removing an oil cap on the valve cover. Your factory Mercury Mariner oil cap is fine in terms of function, but if you want to give your engine bay a little added style aftermarket Mercury Mariner oil caps are just the ticket. Affordable and easy to install, dress-up oil caps will give your engine a clean new look that is sure to impress folks the next time you pop your hood. Here at Andy's Auto Sport we have a great selection of Mercury Mariner oil caps from many of the top brand names to ensure that you find the perfect unit to suit your taste when you look through our extensive offerings.

Having a unique oil cap under the hood of your ride is a customizing technique that dates all the way back to the hot rod era. In those days it was all about one upping the competition. So if one person showed up to a car meet with a shiny stainless steel oil cap, the next week you might show up with an oil cap that featured inlayed dice. Today's customizing scene is following in the same tradition of taking pride in unique and innovative modifications. So if you really want to distinguish yourself from the crowd, do not overlook your oil cap. Add a stylish new Mercury Mariner oil cap to complete your vehicle's custom aesthetic.

Q: Why buy an oil cap?
A: Oil caps are accessories that improve the appearance your engine bay. All oil caps are engineered to fit like OEM.

Q: How do you install an oil cap?
A: Installation is done by unscrewing your bland factory oil cap and replacing it with a show-quality cap.