2003 Nissan pathfinder battery size List: Battery - Automotive - 2003 Nissan Pathfinder O Battery Varies From OE Size But Will Substitute For Application Group Size (BCI): 34 2003 Nissan Pathfinder LE V6 - 3.5L 3498cc type VQ35DE... Source Source Source Source Source Source Source Source Source Source Read Also: 2000 Nissan pathfinder battery size 2002 Nissan pathfinder battery size 2006 Nissan pathfinder battery size 1999 Nissan pathfinder battery size Nissan xterra battery group size 1997 Nissan pathfinder battery size