What size transmission does my 1998 GMC 1500,
4 wheel drive with a 5.7 liter engine originally come
4L60E unless you have the heavy duty package then it is a 4L80E. The decoder for the VIN can help, you can find that online.
Search GMC Sierra C/K 1500 Questions
GMC Sierra C/K 1500 Experts
Find great deals from top-rated dealersTMSearch