Overflow Bottle Plastic Cap, Small

Select your preferred color for this small plastic cap. It has an inner diameter of .670 inches (17mm). This vent cap is specifically designed for overflow bottles and won't fit on fuel tanks.

Using this small plastic overflow bottle cap is easy. First, make sure the overflow bottle is clean and dry. Then simply place the cap on top of the bottle and press it down firmly until it fits snugly. Note that this cap is only for overflow bottles and should not be used on fuel tanks. To keep it in good condition, clean it regularly with a mild soap and water. Avoid using harsh chemicals as they may damage the plastic.