Assuming you mean P0135, that would be O2 sensor heater circuit malfunction (bank 1 sensor 1). If the wiring to bank 1 sensor 1 is not damaged, it is probably a bad bank 1 sensor 1 O2 sensor. Replace it.
At the base of the engine you will find the starter.
The 2004 Dodge Durango EGR valve can be found on the firewall in the engine compartment. The EGR valve will be on the passenger side of the firewall.
A Dodge Durango window motor can be ordered from any auto parts store. The prices for the window motors will vary depending on the year of the Durango.
You can find the third row seat in your Dodge Durango behind the second row seat. The Dodge Durango third row seat is usually the last row of seats in the vehicle.
I take it as the durango is a V-8 so if you are standing in front of the vehicle looking at the engine the cylinders on the right hand side are 1,3,5,7, and the cylinders on the left are 2,4,6,8, from front to back on both sides of the engine. Hope this helps
The 2014 Dodge Durango has a V6 engine.
The 2007 Dodge Durango has a V6 engine.
The 2006 Dodge Durango has a V6 engine.
The 2013 Dodge Durango has a V6 engine.
The 2001 Dodge Durango has a V8 engine.
The 2005 Dodge Durango has a V6 engine.
The 2003 Dodge Durango has a V8 engine.
The 2012 Dodge Durango has a V6 engine.
The 2009 Dodge Durango has a V6 engine.
The 2004 Dodge Durango has a V6 engine.
The 2011 Dodge Durango has a V6 engine.
The 2002 Dodge Durango has a V8 engine.