OER Parts offers a wide selection of Battery Accessories for your 1972 GMC C15/C1500 Suburban. OER Parts offers 1972 GMC C15/C1500 Suburban Battery Tender, 1972 GMC C15/C1500 Suburban Battery Managment System, 1972 GMC C15/C1500 Suburban Dual Battery System Controller Set, and 1972 GMC C15/C1500 Suburban Battery Relocation Set. Battery Mat Battery Topper Battery Terminal Protectors Battery Post Cleaning Brush Battery Terminal Puller