* The specifications of the oil drain plug for an engine are usually provided in the manual of the engine.
* Oil drain plugs differ in the shape of the hex. Some have a piggyback drain plugs where the screw projects upwards of the hex.
* Some oil drain plugs have to be used along with a gasket or washer. In cases like this, the gasket should not be missed out as a lack of gasket can cause oil to leak.
* An oil drain plug that gets damaged during tightening to loosening can get stuck to the engine permanently are of no use. So get sturdy ones of good quality.
* Oil drain plugs sets are also available from several manufacturers.
Types of Oil Drain Plug
* The types include hex & square socket, slotted headless & six lobe plugs.
* Materials from which oil drain plugs are made from are aluminium.
* Magnetic oil drain plug: A magnet at the tip attracts metal debris in the engine that has not been filtered out. They also act as a barometer to measure the health of the engine as more particles indicate increased engine wear.
