Check the listing for details. OE FREIGHTLINER CASCADIA CAB AIR SPRING FI-W02-377-7215 18-52651-000(PACK OF 2). Condition: New. Listed at 99.99 USD. Cross Reference Information 1840977000, 1840977002, 1852651000, 18740977000, CB7215, FIRW02-358-7215, FIRW023587215, W02-358-7215, W023587111, W023587207 ATTENTION!! If you're not sure about the part number you need To better assist you in finding the correct part please provide 1. YEAR 2. MAKE 3. MODEL 4.Last 8 digits of (VIN) OR (ESN) ENGINE SERIAL NUMBER If you're not sure about the part number, you need to better assist you in finding the correct part please provideCross Reference Information 1840977000, 1840977002, 1852651000, 18740977000, CB7215, FIRW02-358-7215, FIRW023587215, W02-358-7215, W023587111, W023587207 ATTENTION!! If you're not sure about the part number you need To better assist you in finding the correct part please provide   1. YEAR 2. MAKE 3. MODEL 4.Last 8 digits of (VIN)    OR (ESN) ENGINE SERIAL NUMBER If you're not sure about the part number, you need to better assist you in finding the correct part please provide