Instructions I Standard Belt Size Chart A Can be used if the size and or belt code is known i e Belt Length Code 3 8 380 32 50 AR 9433718 Il Standard V Belt Codes and Numbers A AIpha numeric order B Can be used if 2 letter code is known i e EG 9433702 III Model Usage Chart A This chart can be used by determining the belt required i e Power M Strg Fan Gen etc After getting to correct belt section then lo cate model application following across the page to the correct En gine VIN code C I D and or Engine Option number This now will give the 2 letter code for Standard Belts refer back to the correct alpha numeric code chart and locate the service number of the belt needed Gl l PARTS DlVlS ON GENERAL MOTORS CORPORATION CADlLLAC 6l 1 000 Gnoup me mzv 9 79