This is the 2009-2003 Toyota 4Runner Magnetic Drain Plug from Cusco .

The Cusco Magnetic Drain Plug M12 x 1.25 will reduce metal debris and fragment contamination in the engine oil, which should increase the engine life, this is due to the powerful neodymium magnet. It will include a crush gasket/dowty seal, and is backed by a lifetime warranty. That makes this magnetic drain plug a cost effective insurance for your engine giving you more peace of mind. 

Features:

• Reduces metal debris and fragment contamination in engine oil
• Increases engine life
• Powerful neodymium magnet 
• Durable 6061 aluminum constrcution
• Includes dowty seal
• Lifetime warranty
• Torque to 15lb-ft