1991-1998 Peterbilt 378 14.0L 6 Cyl. 1999-2002 Peterbilt 378 14.0L 6 Cyl. Belt Construction: Top Cog. Notes:with 42in Long Belt. Ensure Proper FitTo confirm that this part fits your vehicle, enter your vehicle's Year, Make, Model, Trim and Engine in the Compatibility Table.
