It's attachted to the engine
For a 2003 Ford Explorer : There were two engine sizes offered from the factory ( the 4.0 liter SOHC , V6 engine , and the 4.6 liter SOHC , V8 engine )
Either the 4.0 liter SOHC - V6 engine or the 4.6 liter SOHC - V8 engine
I believe that is 210 horsepower for the 4.0 liter SOHC , V6 engine in a 2003 Ford Explorer
( 5 w 20 ) for the 4.6 liter V8 engine in a 2003 Ford Explorer , according to the Owner Guide
On a 2003 Ford Explorer , 4.0 liter SOHC , V6 engine : Bank 1 is the passenger side of the engine Sensor 1 would be close to the engine before the exhaust enters the catalytic converter
According to one of Fords websites : For a 2003 Ford Explorer ( 4.0 liter V6 and 4.6 liter V8 engines ) ( the Motorcraft FL-820-S engine oil filter is used )
The 2003 Ford Explorer 4.6 liter V8 engine has ( 2 ) timing CHAINS ( one timing chain to each cylinder head )
The 2003 Ford Explorer has a V6 engine.
5 quarts ( 4.7 liters of engine oil ) with filter change for the 4.0 liter V6 engine
The 4.0 liter SOHC - V6 engine has ( 3 ) timing CHAINS
The 4.0 liter V6 engine takes ( 5W-30 ) The 4.6 liter V8 engine takes ( 5W-20 ) According to the Owner Guide
5 quarts ( 4.7 liters of engine oil ) with filter change for the 4.0 liter V6 engine