2 pack of TORQUE Cab Air Sleeper Bag Spring for Freightliner Century Class ST (Replaces Firestone 7215, W02-358-7215, Freightliner 18-52651-000, 18-40977-000) (2 x TR7215)
QUALITY - Easy to identify part number permanently engraved on the rubber. 4.5 - 5.00 mm thick rubber that exceeds OEM requirements. 25% stronger 4140 grade steel studs. Stronger composite pistons. Highest leak test ratio after final assembly.