hi all if i am changing the indicator stalks does the hole numbers and letter have to match or is it just the end letters mine is 96509721XT and 2003 PEUGEOT 307 2.0 HDI 90 S and one i am looking at is 2004 PEUGEOT 307 2.0 HDI 90 S 5DR WIPER INDICATOR STALKS & SQUIB 96605672XT thank you dennis