This program will help you find the right part for your car. It has a list of car numbers. Search Result - photos, features, crosses (similar) parts. The program works offline (without the internet). Through this program, auto repair becomes easier as you get to know a list of numbers and manufacturers of similar parts which are broken.
You can also find the parts you need using tree parts.
 The spare parts catalog VW Touareg has a car filter:
year of manufacture (since 2002),
engine capacity ("2.5 R5 TDI"
"3.0 TDI"
"3.0 V6 TDI"
"3.0 V6 TSI"
"3.0 V6 TSI Hybrid"
"3.2 V6"
"3.6 V6 FSI"
"4.2 FSI 4motion"
"4.2 V8"
"4.2 V8 FSI"
"4.2 V8 TDI"
"5.0 R50 TDI"
"5.0 V10 TDI"
"6.0 W12"),
type of engine ("Petrol engine"
"Diesel"
"hybrid").