I replaced mine yesterday,the old one was a Mopar PRO 6, built in 05, id 48-4800-8.Replacement is a Canadin Tire 4800 serries,same battery fits in todays 1/2 ton Chev. paid $110 CAD, PLUS TAX AND CORE. Its a perfect fit and has the same vents comming off the side. 3 year free exchange plus 6 years limited warrentywas quoted $260 cad @ dealership