Mikeandwendy74
11-03-2006, 18:06
Hi, I bought a 1988 Sierra SLX 3500 1 ton 6.2 dually, can someone tell me the difference between a K series and a C series truck? When looking for parts online I'm asked that question and not sure how to tell which one I have. The vin number code does not break it down. Thanks for any help.