31 Inch Aluminum Battery Box Cover With Lower Step By Chrome Shop Mafia. Are you looking for a factory style replacement cover for your battery? 4 State Trucks offers this high quality direct replacement battery cover. Made out of diamond plate aluminum, it measures 31 X 23 inches and is fit for 1990 through 2010 Freightliner FL120 and FL132 models. High Quality Battery Box. Made Of Tread Aluminum. 31 Inch Length. 23.625 Inch Depth, Front Edge to Back. 8.50 Inch Height, At Front Edge of Cover. Factory Style Replacement Cover for Battery Box. Does Not Fit FLD112 or FLD120 Models. Direct Replacement for a Proper Fit Every Time. No Special Tools Required for Install. Picture Is Complete Battery Box Actual Part Is Cover ONLY. High Quality Aftermarket Replacement Part (Not OEM). Fits Freightliner FL120 Classic 1990 thru 2010 Fits Freightliner FL132 Classic XL 1990 thru 2010 Does Not Fit FLD112 or FLD120 Models.