OER Parts offers a wide selection of Battery Accessories for your 1973 Chrysler Newport. OER Parts offers 1973 Chrysler Newport Battery Tender, 1973 Chrysler Newport Battery Managment System, 1973 Chrysler Newport Dual Battery System Controller Set, and 1973 Chrysler Newport Battery Relocation Set. Battery Mat Battery Topper Battery Terminal Protectors Battery Post Cleaning Brush Battery Terminal Puller